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31
ABBREVIATION SYMBOL DEFINITION & L @ L L C L O / / // / PL % AND ANGLE AT CENTER LINE CHANNEL DIAMETER FEET INCH (ES) OR/PER PLATE DEGREE PERCENT 31 31 I BEAM NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANI DATE DATE REV. DESCRIPTION A B C SHT REV. DRAWING No. IRANIAN PETROLEUM STANDARDS PIPING & INSTRUMENT IPS-D-PI-100 ABBREVIATIONS OF STRUCTURAL TUBING SQUARE SLOPE # POUNDS OR POUND ~ TROUGH APPROXIMATION ~ SPRING

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Page 1: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

31

IDENTIFICATION LETTERSFIRST-LETTER SUCCEEDING-LETTER

A

B

C

D

E

F

G

HI

J

K

L

M

IDENTIFICATION LETTERS

FIRST-LETTER SUCCEEDING-LETTER

N

O

P

Q

R

ST

U

VW

X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 2: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

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N

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242529

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I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 3: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

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FIRST-LETTER SUCCEEDING-LETTER

N

O

P

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R

ST

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VW

X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

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ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

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E

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FIRST-LETTER SUCCEEDING-LETTER

N

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242529

V

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I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 5: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

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IDENTIFICATION LETTERSFIRST-LETTER SUCCEEDING-LETTER

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E

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IDENTIFICATION LETTERS

FIRST-LETTER SUCCEEDING-LETTER

N

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P

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R

ST

U

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X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 6: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

31

IDENTIFICATION LETTERSFIRST-LETTER SUCCEEDING-LETTER

A

B

C

D

E

F

G

HI

J

K

L

M

IDENTIFICATION LETTERS

FIRST-LETTER SUCCEEDING-LETTER

N

O

P

Q

R

ST

U

VW

X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 7: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

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242529

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I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

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ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

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242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

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AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 10: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 11: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 12: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 13: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 14: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 15: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 16: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 17: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 18: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 19: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 20: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 21: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 22: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 23: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 24: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 25: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 26: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMNCOMB COMBINATIONCOMP COMPANION

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATIONS OF11/37S-PI-1000

OIEC ABBREVIATION OF

PIPING & INSTRUMENT12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

31

IDENTIFICATION LETTERSFIRST-LETTER SUCCEEDING-LETTER

A

B

C

D

E

F

G

HI

J

K

L

M

IDENTIFICATION LETTERS

FIRST-LETTER SUCCEEDING-LETTER

N

O

P

Q

R

ST

U

VW

X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 27: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMN

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATION OFPIPING & INSTRUMENT

12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

31

IDENTIFICATION LETTERSFIRST-LETTER SUCCEEDING-LETTER

A

B

C

D

E

F

G

HI

J

K

L

M

IDENTIFICATION LETTERS

FIRST-LETTER SUCCEEDING-LETTER

N

O

P

Q

R

ST

U

VW

X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 28: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

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ABBREVIATION DEFINITON

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FILLEDCALC CALCULATED/CALCULATIONCAP CAPACITYCAS CAST ALLOY STEELCAT CATALOGCB CATCH BASINCCW COUNTER CLOCKWISECEM CEMENTCER CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITYCHK CHECKCHK'D CHECKEDCHOP CHAIN OPERATEDCI CAST IRONCIRC CIRCUMFERENCECKRD PL CHECERED PLATECL CLASS(FLANGE RATING)CLG CEILINGCLR CLEARCMP CORRUGATED METAL PIPECO CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECOEF COEFFICIENTCOL COLUMN

ABBREVIATION DEFINITION

COMPR COMPRESSORCONC CONCENTRIC/CONCRETECOND CONDENSER/CONDENSATECONN CONNECTIONCOD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRICCONST CONSTANT/CONSTRUCTIONCONT CONTINUE/CONTINUATION/CONTINUOUS/

CONTROLCONT'D CONTINUEDCONTR CONTRACTORCOORD COORDINATECOR CORNERCORR CORRUGATED/CORRSIONCP COUPON/CENTI POISECPLG COUPLINGCPS CONCRETE PIPE SUPPORTCR CHROMIUMCS CARBON STEEL/COLD SPRINGCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCST CAST STEELCSTG CASTINGCT COOLING TOWERCTR(S) CENTER(S)CW CLOCKWISECWP COLD WORKING PRESSURECYL CYLINDER

ABBREVIAION DEFINITION

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDEF DEFLECTIONDEG DEGREEDES DESIGN

DESIGN PRESSUREDES PRESSDESC DESCRIPTIONDEPT DEPARTMENTDET DETAILDF DRAIN FUNNELDI DUCTILE IRONDIA DIAMETERDIAG DIAGNAL/DIAGRAMDIAPH DIAPHRAGMDIM DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN

STANDARD)DISCH DISCHARGEDISTR DISTRIBUTORDN DOWN/NOMINAL DIAMETERDMT DESIGN METAL TEMPERATUREDP DRAIN PIT/DIFFERENTIAL PRESSUREDR DRAINDS DUMMY SUPPORT/DOWN SPOUT DATA SHEETDW DUMMY WELDDWG DRAWING

ABBREVIATION DEFINITION

E EASTEA EACHECC ECCENTRICEF ELECTRIC FURNACEEFW ELECTIC FUSION WELDEDREL ELEVATION(HEIGHT)ELEC ELECTRICALELEV ELEVATION(VIEW)ELL ELBOWEMER EMERGENCYENCL ENCLOSUREENG ENGINEENQ ENQUIRYEOL ELBOWLETEP EXPLOSION OROOFEQ EQUALEQIV EQUIVALENTEQUIP EQUIPMENTERW ELECTRIC RESISTANCE WELDEDESD EMERGENCY SHUT DOWNESH EMERGENCY SHOWEREST ESTIMATEET ELECTRIC TRACEETC ETCETERAEVAP EVAPORATOREWF EYEWASH FOUNTAINEXCH EXCHANGEREXCL EXCLUOEDEXH EXHAUSTEXIST EXISTINGEXP EXPANSIONEXP JT EXPANSION JOINTEXT EXTERNAL

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

ANALYSIS ALARM

BURNER, COMBUSTION USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE CONTROL

USERS CHOICE DIFFERENTIAL

VOLTAGESENSOR(PRIMARY ELEMENT)

FLOW RATE RATIO (FRACTION)

USERS CHOICE GLASS, VIEWING DEVICE

HAND HIGH

CURRENT (ELECTRICAL) INDICATE

POWER SCAN

TIME, TIME SCHEDULETIME RATE OFCHANGE CONTROL STATION

LEVEL LIGHT LOW

USERS CHOICE MOMENTAN MIDDLE, INTERMEDIATE

MEASURED ORINITIATING VARIABLE MODIFIER

READOUT ORPASSIVE FUNCTION

OUTPUTFUNCTION MODIFIER

USERS CHOICE USERS CHOICE USERS CHOICE USERS CHOICE

USERS CHOICE ORIFICE, RESTRICTION

PRESSURE, VACUUMPOINT (TEST) CONNECTION

QUANTITYINTEGRATETOTALIZE

RADIATION RECORD

SPEED, FREQUENCY SAFETY SWITCH

TEMPERATURE TRANSMIT

MULTIVARIABLE MULTIFUNCTION MULTIFUNCTION MULTIFUNCTIONVIBRATION, MECHANICALANALYSIS VALVE, DAMPER, LOUVER

WEIGHT, FORCE WELL

UNCLASSIFIED X AXIS UNCLASSIFIED UNCLASSIFIED UNCLASSIFIED

EVENT STATE OR PRESENCE Y AXIS RELAY, COMPUTE,CONVERT

POSITION DIMENSION Z AXIS DRIVER, ACTUATE, UNCLASSIFIEDFINAL CONTROL ELEMENT

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLED

FA FLAME ARESTOR

FAB FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

FDN FOUNDATION

FE FLANGED END

FF FLAT FACE/FULL FACE/FLANGE FACE

FFSF FLAT FACE SMOOTH FINISH

FH FIRE HYDRANT / FIRE HOSE

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

DEFINITION ABBREVIATION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

ABBREVIATION OFPIPING & INSTRUMENT

12

37

R RADIUS

Ref. Col. REFERENCE COLUMN

Rad. RADIALRCP REINFORCED CONCRETE PIPERcpt. RECEPTACLERd. ROAD

Recip. RECIPROCATING / RECIPROCATERecirc. RECIRCULATERed. REDUCER / REDUCINGRef. REFERENCE / REFINERY

Refr. REFRACTORYRefrig. REFRIGERATORReg. REGULATORRegen. REGENERATORReinf. REINFORCING / REINFORCERem. REMOVEReqd. REQUIREDRev. REVISION

RF RAISED FACERFSF RAISED FACE SMOOTH FINISHRH RIGHT HAND

RL RANDOM LENGTH / RUBBER LINEDRMS ROOT MEAN SQUARERO RESTRICTION ORIFICERot. ROTATION

RT REINFORCED TEFLON/RADIOGHRAPH TEST

RTJ RING TYPE JOINTRtn. RETURNRTRP REINFORCED THERMOSETTING RESIN PIPE LINE

S SOUTH/SOLENOID

San. SANITARY

SB SPECTACLE BLIND/SLIP BLIND/

SC SAMPLE CONNECTION/SAMPLE COOLERSch. SCHEDULE (PIPE RATING) Sched. SCHEDULE (TABULATION)Scr. SCREWScrd. SCREWEDSE STUB ENDSec. SECTIONSer. SERIESSer'l. SERIALServ. SERVICE

SH SHEET / SHOE

Shr. SHOWERSk. SKETCHSlp. SLOPESm. SMALLER

SM & F SMALL MALE & FEMALESmls. SEAMLESSSNG SYNTHETIC NATURAL GASSO SLIP ON / STEAM OUT / STRIPPER OUTSP SPECIALITY ITEMSpec. SPECIFICATION

SG SPECIFIC GRAVITY

Sply. SUPPLYSPW SPIRAL WOUNDSq. SQUARESR SHORT RADIUS / STRESS RELIEVESS STAINLESS STEEL

ST STEAM TRACE / STEAM TRAPS Shr. SAFETY SHOWER

Std. STANDARDStd. Wt. STANDARD WEIGHT/STANDARD WALL THICKNESSSTG SMALL TANGUE AND GROOVE

Stl. STEELStlt. STELLITEStm. STEAMStnls. STAINLESSStr. STRAINER / STRUCTURE/STREETSt. Wy. STAIR WAYSTS STEAM TRACED WITH SPACERS & INSULATION

Suct. SUCTIONSupt. SUPPORTSW SOCKET WELDSWB SEAL WELD BONNET

SWP STEAM WORKING PRESSURESymm. SYMMETRICALSys. SYSTEM

Swg. SWAGE

T TRAP

T & C THREADED AND COUPLEDT & G TOUNG AND GROOVET TO T TANGENT TO TANGENT

Tan. TANGENT

TB TEST BLINDTBE THREADED BOTH ENDSTC TEST CONNECTION/TEST CLOSED/THERMOCOUPLE/

TCV TEMPERATURE CONTROL VALVETE THREAD ENDTel. TELEPHONETemp. TEMPERATURETF TOP FLATThrd. THREADEDTherm. THERMALThk. THICKNESS / THICKThru. THROUGH

TIG TUNGSTEN INERT GAS ARC WELDING

Tk. TANKTL TANGENT LINETLE THREADED LARGE ENDTO TEST OPEN

TOC TOP OF CONCRETE TOB TOP OF BEAM

TOE THREADED ONE ENDTOG TOP OF GROUTTol. THREADOLET / TOLERANCETOP TOP OF PIPE

UB UNION BONNETUG UNDER-GROUNDUn. UNIONUNC UNIFIED COURSE THREADUNEF UNIFIED EXTRA FINE THREADUNF UNIFIED FINE THREADUnif. UNIFORM

US UNDER SIDE/UTILITY STATION

Unins. UNINSULATED

ABBREVIATION DEFINITIONW WESTW/ WITHWB WELDED BONNETWC WATER CLOSETWCO WATER CLEAN OUTWd. WOODWE WELD ENDWH WARE HOUSE/WATER HEATERWI WROUGHT IRON

Wld. WELD (ED)WN WELDING NECK/ WELD NECKW/O WITHOUTWO WRENCH OPERATED

Wol. WELDOLETWP WORKING PRESSURE/ WORKING POINT

WR WELD RECEPTACLE

Wt WEIGHT

XH EXTRA HEAVYXS EXTRA STRONGXXH DOUBLE EXTRA HEAVYXXS DOUBLE EXTRA STRONG

Yd YARDYr. YEARYS YIELD STRENGTH

ABBREVIATION SYMBOL DEFINITION

&L@

LL

CL

O//

//

/PL

%

ANDANGLEATCENTER LINE

CHANNELDIAMETERFEETINCH (ES)OR/PERPLATEDEGREEPERCENT

ABBREVIATION DEFINITION

REFRENCE STANDARDS

ANSI AMERICAN NATIONAL STANDARDS INSTITUTEAPI AMERICAN PETROLEUM INSTITUTEASME AMERICAN SOCIETY OF MECHANICAL ENGINEERSASNT AMERICAN SOCIETY OF NONDESTRUCTIVE TESTINGASTM AMERICAN SOCIETY FOR TESTING MATERIALSAWS AMERICAN WELDING SOCIETYAWWA AMERICAN WATER WORKS ASSOCIATIONEJMA EXPANSION JOINT MANUFACTURERS ASSOCIATIONISA INSTRUMENT SOCIETY OF AMERICAMSS MANUFACTURERS STANDARDIZATION SOCIETY

OF THE VALVE AND FITTINGS INDUSTRYNACE NATIONAL ASSOCIATION OF CORROSION

ENGINEERSNFPA NATIONAL FIRE PROTECTION ASSOCIATIONPFI PIPE FABRICATION INSTITUTEPPI PLASTIC PIPE INSTITUTE

TEMA TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION

UBC UNIFORM BUILDING CODE

ABBREVIATION DEFINITION

MISCELLANEOUS UNITS

bbl BARRELbbl/d BARRELS PER DAYbbl/h BARRELS PER HOUR

Btu BRITISH THERMAL UNITBtu/h BRITISH THERMAL UNIT PER HOUR

ft /h CUBIC FEET PER HOURft /min CUBIC FEET PER MINUTEft /sec. CUBIC FEET PER SECOND

cp CENTI POISE

ft CUBIC FEET

in CUBIC INCH

yd CUBIC YARD

F DEGREE FAHRENHEIT

ft/min. FEET PER MINUTEft/sec. FEET PER SECOND

ft FOOT

gal/h GALLONS PER HOURgal/min. GALLONS PER MINUTEHP HIGH POINT / HIGH PRESSURE

HORSE POWERHz HERTZIMP IMPERIAL (BRITISH UNIT)in INCH(ES)

kV KILO VOLTkVA KILO VOLT AMPEREkWh KILO WATT HOUR

MISCELLANEOUS

ABBREVIATION DEFINITION

lb POUND (S)lbf POUND FORCEOZ OUNCEpsi POUNDS PER SQUARE INCHpsia POUNDS PER SQUARE INCH ABSOLUTEpsig POUNDS PER SQUARE INCH GAGE (GAUGE)rpm REVOLUTIONS PER MINUTErps REVOLUTIONS PER SECONDscf/h STANDARD CUBIC FEET PER HOURscf/min. STANDARD CUBIC FEET PER MINUTE

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

SCREWED BONNET/ STUD BOLT

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

V VENTVac.Vap. VAPORVar. VARIABLEVB VAPOR BLIND/ VACUUM BREAKER/

VCVCP VITRIFIED CLAY PIPE

Vent. VENTILATE/ VENTILATIONVert. VERTICALVib. VIBRATIONVit. VITRIFIED/ VITREOUSVol. VOLUMEVU VERTICAL UP

3

VACUUM

VORTEX BREAKERVENT CONNECTION/ VITRIFIED CLAY

VD VERTICAL DOWN

6526273031

31

IDENTIFICATION LETTERSFIRST-LETTER SUCCEEDING-LETTER

A

B

C

D

E

F

G

HI

J

K

L

M

IDENTIFICATION LETTERS

FIRST-LETTER SUCCEEDING-LETTER

N

O

P

Q

R

ST

U

VW

X

Y

Z

242529

V

X

Y

I BEAM

RESISTANCE TEMPERATURE DETECTORRTD

SHUT ON AIR FAILURESAF

TEMPERATURE CONTROLER

TEMPERATURE INDICATING CONTROLERTICTEMPERATURE INDICATORTI

TEMPERATURE INDICATING TRANSMITTERTIT

UNINTERRUPTED POWER SUPPLYUPS

ABBREVIATION DEFINITIONTP TEST PRESSURE/TEST POINTTPI THREAD PER INCHTR TEMPERATURE RECORDERTrans. TRANSFORMERTRC TEMPERATURE RECORDING CONTROLERTrly. TROLLEYTRT TEMPERATURE RECORDING TRANSMITTERTSE THREADED SMALL ENDTSH TEMPERATURE SWITCH HIGHTSHL TEMPERATURE SWITCH HIGH & LOWTSL TEMPERATURE SWITCH LOWTSO TIGHT SHUT OFFTT TEMPERATURE TRANSMITTER

TYPICALTyp.TOWERTwr.TREATED WATER/THERMOWELLTW

TVTURBINE GENERATORTurb. Gen.TURBINETurb.

TEMPERATURE VALVE

28

SYSTEM INTERNATIONALSI

313131

hp

3131

3

3

3

3

3

31

3

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

DATE

DATE

REV. DESCRIPTION

A

B

C

SHT REV.DRAWING No.

IRANIAN PETROLEUM STANDARDS

PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

31

RD ROOF DRAIN

31

TOP OF STEEL / TOP OF SUPPORTTOS

3131

WT WALL THICKNESS

Rever. REVERSIBLE

RJ RING JOINT

RWDP RAIN WATER DOWN PIPE

SAW SUBMERGED ARC WELDING

SJ STEAM JACKET(ED)

SMAW SHIELDED METAL ARC WELDING

Sph. SPHERE

S/S SUB STATION

Sta. STATION

Stife. Ring STIFFENING RING

STT STEAM TRACED WITH HEAT TRANSFER CEMENT &INSULATION

Tor. TORISPHERICAL

UW UNDERGROUND WRAPPEDWL WELDING LINE

WOG WATER, OIL OR GAS

WPS WELDING PROCEDURE SPECIFICATION

Wr. WRENCH

STRUCTURAL TUBING SQUARE

SLOPE

# POUNDS OR POUND

~ TROUGH

APPROXIMATION~

SPRING

REVERSIBLE SPADERS

WJ WATER JACKET

Page 30: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN

Page 31: NO REVISION PERMITTED UNLESS APPROVED BY STANDARD …

AARH

Acc. ACCESSORYAccum. ACCUMULATORAdpt. ADAPTERAG ABOVE GROUNDAI ALL IRONAl. ALUMINUM

Alt. ALTERNATEAO AIR OPENS

Aprd. APPROVEDApprox. APPROXIMATELY

AT AIR TRAPS

Arrgt. ARRANGEMENTAS AIR SUPPLYAsb. ASBESTOSAsph. ASPHALTAssy. ASSEMBLY

Atm. ATMOSPHEREAuto. AUTOMATIC/AUTOMOBILAux. AUXILIARY

A ANCHOR

Avg. AVERAGEAVT AUTOMATIC VENT TRAP

AC AIR CLOSES/AIR CONDITION

BA BASE ANCHOR B & B BELL AND BELLB TO B BACK TO BACK

B&S BELL AND SPIGOTBB BOLTED BONNETBBE BEVEL BOTH ENDBC BOLT CIRCLE/ BRANCH CONNECTION/

BE BEVEL END BEP BOTH END PLAINBET BOTH END THREADED

Bvld. BEVELED

BF BLIND FLANGE/BOTTOM FLATBFP BACK FLOW PREVENTERBH BOLT HOLEBHN BRINELL HARDNESS NUMBERBL BATTERY LIMIT/BOTTOM LINEBld. BLINDBldg. BUILDINGBLE BEVELED LARGE ENDBm. BEAM

BOE BEVELED ONE ENDBOM BILL OF MATERIALBOP BOTTOM OF PIPEBot. BOTTOMBr. BRASSBrz. BRONZEBSE BEVEL SMALL ENDBsmt. BASEMENTBush. BUSHING

BW BUTT WELD/BUTT WELDED

C TO C CENTER TO CENTERC TO E CENTER TO ENDC TO F CENTER TO FACEC & W COATED AND WRAPPEDCA CORROSION ALLOWANCECAF COMPRESSED ASBESTOS FIBBERCalc. CALCULATED/CALCULATIONCap. CAPACITYCAS CAST ALLOY STEELCat. CATALOG/CATALISTCB CATCH BASINCCW COUNTER CLOCKWISECem. CEMENTCer. CERAMICCES COMBINATION EYEWASH SHOWERCFW CONTINUOUS FILLET WELDCG CENTER OF GRAVITY

Ckd. CHECKCKD COMPLETE KNOCKED DOWNCI CAST IRONCirc. CIRCUMFERENCECkrd. Pl. CHECKERED PLATECl. CLASS(FLANGE RATING)Clg. CEILINGClr. CLEARCMP CORRUGATED METAL PIPECO CHAIN OPERATED/CLEAN OUTCOJ COMPRESSION JOINTCO2 CARBON DIOXIDECoef. COEFFICIENTCol. COLUMNComb. COMBINATIONComp. COMPANION

Compr. COMPRESSORConc. CONCENTRIC/CONCRETECond. CONDENSER/CONDENSATEConn. CONNECTION

COD CONTINUED ON DRAWINGCOI CONTINUED ON ISOMETRIC

Const. CONSTANT/CONSTRUCTIONCont. CONTINUE/CONTINUATION/CONTINUOUSCont'd. CONTINUEDContr. CONTRACTORCoord. COORDINATECor. CORNERCorr. CORRUGATED/CORROSIONCp. COUPON

Cplg. COUPLINGCPS CONCRETE PIPE SUPPORTCr. CHROMIUMCS CARBON STEEL/COLD SPRING/CAST STEELCSC CAR SEAL CLOSECSK COUNTER SINKCSO CAR SEAL OPENCstg. CASTINGCT COOLING TOWERCtr(S). CENTER(S)Cw. CLOCKWISE

CWP COLD WORKING PRESSURE

Cyl. CYLINDER

DA DIRECTIONAL ANCHORDC DRAIN CONNECTIONDE DRIVE ENDDef. DEFLECTIONDeg. DEGREEDes. DESIGN

DESIGN PRESSUREDes.Press.

Desc. DESCRIPTIONDept. DEPARTMENT

Det. DETAILDF DRAIN FUNNELDI DUCTILE IRONDia. DIAMETERDiag. DIAG0NAL/DIAGRAMDiaph. DIAPHRAGMDim. DIMENSIONDIN DEUTSCHE INDUSTRIE NORM(GERMAN STANDARD)Disch. DISCHARGEDistr. DISTRIBUTOR

DN DOWN/DIAMETER NOMINAL

DMT DESIGN METAL TEMPERATURE

DP DRAIN PIT/DIFFERENTIAL PRESSUREDr. DRAINDS DUMMY SUPPORT/DOWN SPOUT/DATA SHEET

DW DUMMY WELDDwg. DRAWING

E EASTEa. EACHEcc. ECCENTRICEF ELECTRIC FURNACEEFW ELECTRIC FUSION WELDEl. ELEVATION(HEIGHT)Elec. ELECTRICALElev. ELEVATION(VIEW)Ell. ELBOWEmer. EMERGENCYEncl. ENCLOSUREEng. ENGINEEnq. ENQUIRYEol. ELBOWLETEP EXPLOSION PROOFEq. EQUALEqiv. EQUIVALENTEquip. EQUIPMENTERW ELECTRIC RESISTANCE WELD

ESD EMERGENCY SHUT DOWNESh. EMERGENCY SHOWEREst. ESTIMATEET ELECTRIC TRACEEtc. ETCETERAEvap. EVAPORATOREWF EYEWASH FOUNTAINExch. EXCHANGERExh. EXHAUSTExist. EXISTINGExp. EXPANSIONEJ EXPANSION JOINTExt. EXTERNAL/EXTENSION/EXTRA

F FEMALE/FORCE

F OF F FACE OF FLANGE

F TO F FACE TO FACE

F&D FLANGED AND DISHED/FACED AND DRILLEDFab. FABRICATED/FABRICATOR

FBW FURNACE BUTT WELDED

FC FAIL CLOSED

FCO FLOOR CLEAN OUT

FD FLOOR DRAIN

Fdn. FOUNDATION

FE FLANGED END/FLOW ELEMENT

FF FLAT FACE/FULL FACE/FLANGE FACE/FINSH FACE/

FFSF FLAT FACE SMOOTH FINISH

FG FLOW GLASS

FH FIRE HYDRANT/FIRE HOSE/FUME HOOD

FHC FIRE HOSE CABINET

FHR FIRE HOSE RACK

FI FAIL INDETERMINATE/FLOW INDICATOR

FIC FLOW INDICATING CONTROLER

Fig. FIGURE

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

G GUIDE(PIPE)Ga. GAGEGalvd. GALVANIZEDGE GROOVE ENDGen. GENERAL/GENERATORGG GAS GENERATOR

GO GEAR OPERATEDGov. GOVERNERGP GLAND PACKINGGr. GRADE

Grtg. GRATINGGskt. GASKET

GMAW GAS METAL ARC WELDING

GTAW GAS TUNGSTEN ARC WELDING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F

F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

HAZ HEAT AFFECTED ZONEH & V HEATING AND VENTILATINGHc. HYDROCARBONH Cplg.Hd. HEAD

Hdr. HEADERHd. W HARD WAREHE HORIZONTAL EASTHex. HEXAGON/HEXAGONAL

Hgt. HEIGHTHH HANDHOLEHN HORIZONTAL NORTH

HP HIGH POINT/HIGH PRESSURE/HYDRANT POINTHPP HIGH PAVING POINTHPFS HIGH POINT OF FINISHED SURFACE

HR HAND RAILHS HORIZONTAL SOUTH/HANGER SPRING

Hvy. HEAVYHW HORIZONTAL WEST/HOT WATERHyd. HYDRANTHydr. HYDRAULIC

Htdro. HYDROSTATIC

HVAC HEATING,VENTILATING&AIR CONDITIONING

MINISTRY OF PETROLEUMSTANDARD DWG. FOR:

CBA SHEETDWG. NO.

DATEAPP.DESCRIPTIONREV.

F F

ABBREVIATION DEFINITION ABBREVIATION DEFINITION

IAS INSTRUMENT AIR SUPPLYIB IRON BODY

IBBT IRON BODY BRONZE TRIM

ID INSIDE DIAMETER

Incl. INCLUDED/INCLUDINGIncr. INCREASEIncv. INCLUSIVEInfo. INFORMATION

Inst. INSTRUMENTIns. INSULATION/INSULATED

Int. INTERNAL/INTERIORInteg. INTEGRALInterm. INTERMEDIATEIntmt. INTERMITTENTInv. INVERT(ED)IP INSULATION PERSONNEL PROTECTION/IRON PIPEIPB WIDE I - BEAMIPE MEDIUM I - BEAMIPS IRON PIPE SIZE/IRANIAN PETROLEUM STANDARD

IS INSIDE SCREW/INSULATION SAFETYIS & Y INSIDE SCREW AND YOKE

Iso. ISOMETRIC

AVERAGE ARITHMETIC AAV AUTOMATIC AIR VENTAbs. ABSOLUTE

BOLTED COVER

Lab. LABORATORYLav. LAVATORYLC LOCK CLOSED/LEVEL CONTROLER

LG LEVEL GAUGELgr. LARGERLH LEFT HAND

Lin. LINEARLiq. LIQUID

LJ LAP JOINTLO LOCK OPENLOA LENGTH OVERALLLoc. LOCATE/LOCATIONLol. LATROLETLM&F LARGE MALE AND FEMALELP LOW PRESSURE / LOW POINTLR LONG RADIUS/LEVEL RECORDER

LS LINE STOPE

Lvr. LOUVERLW LAP WELD / LIGHT WEIGHT

LT & G LARGE TONGUE AND GROOVE

M MALE/MOMENT/MOTOR

MAWP MAXIMUM ALLOWABLE WORKING PRESSURE

Mach. MACHINEMaint. MAINTENANCEManif. MANIFOLDMatl. MATERIAL

Max. MAXIMUMMB MACHINE BOLT/MARSHALING BOXMCC MOTOR CONTROL CENTERMech. MECHANICALMed. MEDIUMMfg. MANUFACTURINGMfr. MANUFACTURERMh. MANHOLEMI MALLEABLE IRON

MJ MECHANICAL JOINT

Mid. MIDDLEMIG METAL-ARC WELDINGMin. MINIMUM/MINUTEMisc. MISCELLANEOUS

Mk. MARKML MANUAL LOADING/MATCH LINE

Mnl. MANUALMo. MOLYBDENUM

MOV MOTOR OPERATED VALVE/MOVEMENT

MP MEDIUM PRESSUREMPT MALE PIPE THREADMS MILD STEEL

MTO MATERIAL TAKE OFFMW MINERAL WOOL/MITER WELD

N NORTHNat. NATURALNatl. NATIONALNB NOMINAL BORENC NATIONAL COARSE (THREAD)/

NF NATIONAL FINE(THREAD)../NOT FURNISHEDNFPA NATIONAL FIRE PROTECTION ASSOCIATIONNi. NICKELNip. NIPPLENO NORMALLY OPEN

Nom. NOMINALNorm. NORMALNoz. NOZZLE

NPS NOMINAL PIPE SIZENPSH NET POSITIVE SUCTION HEAD

NRS NON RISING STEMNS NEAR SIDE/NITROGEN SUPPLYNTS NOT TO SCALE

O OILOa. OVERALL

Oct. OCTAGON (AL)OD OUTSIDE DIAMETEROET ONE END THREADEDOH OPEN HOLEOPER OPERATED/OPERATINGOpp. OPPOSITEOpt. OPTIONAL/OPTION/OPTICS/OPTICAL

Orient. ORIENTATIONOrif. ORIFICEOS OUTSIDE SCREW / OVER SIZEOS & Y OUTSIDE SCREW & YOKEOSBL OUTSIDE BATTERY LIMIT

P PUMPP & ID PIPING AND INSTRUMENTATION DIAGRAMPara. PARAGRAPHPB PUSH BUTTON/ PRESSURE BLINDPBE PLAIN BOTH ENDSPc. (S) PIECE (S)

PCV PRESSURE CONTROL VALVEPD PPRESSURE DROP

PE PLAIN ENDPDI PRESSURE DIFFERENTIAL INDICATOR

PI PRESSURE INDICATORPIC PRESSURE INDICATING CONTROLERPIT PRESSURE INDICATING TRANSMITTERPl. PLATE

Platf. PLATFORMPLE PLAIN LARGE ENDPlgd. PLUGGEDPlmb. PLUMBING

POE PLAIN ONE ENDPos. POSITIVEPP PRESSURE POINT (TEST CONNECTION)PPM PARTS PER MILLION

PR PRESSURE RECORDERPRC PRESSURE RECORDING CONTROLERPrefab. PREFABRICATEDPress. PRESSURE Prl. PARALLEL

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATIONS OFIPS-D-PI-100

ABBREVIATION DEFINITION

ROUGHNESS HEIGHT

DEFINITIONABBREVIATIONABBREVIATION DEFINITIONINDEX

CONTENTS PAGE No.

2

COVER 1INDEX 2STANDARDS 3SI-UNITS 4MISCELLANEOUS UNITS 5,6A TO Z ABBREVIATIONS 7 TO 30

ABBREVIATION DEFINITIONABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENTPIPING & INSTRUMENT

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 13

ABBREVIATION DEFINITION

Flex. FLEXIBLEFlg. FLANGEFlgd. FLANGEDFltr. FILTERFO FAIL OPENFP FIRE PROOFFPH FROST PROOF HYDRANTFPT FEMALE PIPE THREAD

FRT FLOW RECORDING TRANSMITTERFS FIELD SUPPORT/ FLOOR SINK/FORGED STEEL/

FLOW SHEETFSH FLOW SWITCH HIGHFSHL FLOW SWITCH HIGH & LOWFSL FLOW SWITCH LOW

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 14

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 15

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 16

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 17

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 18

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 19

ABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 2021ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION DEFINITIONABBREVIATION DEFINITION

ABBREVIATIONS OFIPS-D-PI-100PIPING & INSTRUMENT 22

3131

1031

1131

123131

..................................................................................................

.................................................................................................

.....................................................................

.........................................................................................

.............................................................................................

....................................................................

313131

JB JUNCTION BOXJct. JUNCTIONJt. JOINT

KCS KILLED CARBON STEEL

313131313131

ABBREVIATION DEFINITION

bar

ccm

BAR

DEGREE CELSIUSCENTIMETRE

d DAYg GRAMh HOURj JOULEK KELVIN

KN KILO NEWTON

l LITREm METRE

N NEWTON

kg KILOGRAMkg/m3 KILOGRAM PER CUBIC METREkg/s KILOGRAM PER SECOND

kj/s KILOJOULE PER SECONDkm KILOMETRE

kw KILOWATT

mm MILLIMETREmm2 SQUARE MILLIMETRE

N/m NEWTON PER METREN/mm2 NEWTON PER SQUARE MILLIMETRE

CUBIC METRE PER HOURm3/hmin MINUTE

Nm3/h NOMINAL CUBIC METRE PER HOURPa PASCALrad RADIANs SECONDt TONNEv VOLT

314

at TECHNICAL ATMOSPHERE

ABBREVIATIONS

OF PIPING & INSTRUMENT

DRAWINGS

31

SI-UNIT

NORMALLY CLOSED/ NO COMMENT

J

K

AOV AIR OPERATED VALVES

ELECTRIC SUPPLYES

FLOORFl.

FINISHED GRADEFG

FINISH / FINISHEDFin.

FLOW CONTROL VALVEFCV

FIT FLOW INDICATING TRANSMITTER

FLOW QUANTITY INDICATORFQI

FQR FLOW QUANTITY RECORDERFLOW QUANTITY INDICATING CONTROLERFQIC

FQRC FLOW QUANTITY RECORDING CONTROLERFLOW RECORDERFR

FRC FLOW RECORDING CONTROLERFRP FIBERGLASS REINFORCED PIPE

FIELD WELD/FIRE WATERFWFULL VACUUM/FLOW VALVEFVFURNISHEDFurn.FEMALE THREADF Thrd.FITTINGFtg.FITTING TO FITTINGFTF

FORGED STAINLESS STEELFSSFLOW TRANSMITTERFT

LEVEL CONTROL VALVELCV

LEVEL INDICATING TRANSMITTERLIT

LEVEL INDICATING CONTROLERLICLEVEL INDICATORLI

LEVEL RECORDING TRANSMITTERLRTLEVEL RECORDING CONTROLERLRC

LSH LEVEL SWITCH HIGHLSHL LEVEL SWITCH HIGH & LOW

LEVEL SWITCH LOWLSLLEVEL TRANSMITTERLT

MLS MANUAL LOADING STATION

OAF OPEN ON AIR FAILURE

PRESSURE RECORDING TRANSMITTERPRTPROPERTYProp.PROJECTION/PROJECTProj.PROCESSProc.

PS PIPE SUPPORTPSB PRESSURE SEAL BONNET

ABBREVIATION DEFINITION

PSE PLAIN SMALL ENDPSH PRESSURE SWITCH HIGHPSHL PRESSURE SWITCH HIGH & LOWPSL PRESSURE SWITCH LOWPSV PRESSURE SAFETY VALVE

PT PIPE TAP/PRESSURE TRANSMITTERPU PICK UP

PWHT POST WELD HEAT TREATMENT

QC QUALITY CONTROL

Q

QO QUICK OPENINGQty. QUANTITY

ABBREVIATIONS OF IPS-D-PI-100PIPING & INSTRUMENT

ABBREVIATION OF SYMBOLS ............................................................31

8923

31

PN PRESSURE NOMINAL

No.(S) NUMBER(S)

KILOGRAM-FORCE kgfKILOGRAM-FORCE METREkgf.mKILOGRAM-FORCE METRE PER SECONDkgf.m/s

THIS DWG. SUPERSEDES DWG. No.A-0-5000

atm STANDARD ATMOSPHERE

MSYS MINIMUM SPECIFIED YIELD STRESS

AP ANNALIZER POINT

B & F BEEL AND FLANGE

D DEPHT/DEEP

DT DRILL & TAP

BM BENCH MARK/BENDING MOMENT

FL FAIL LOCKED (LAST POSITION)/FRICTION LOAD

GRP GLASS REINFORCE PIPE

HD HIGH DENSITY/HOLD DOWN/HEAVY DUTY

HV HYDRANT VALVE

Hr. HANGER (ROD)

IBBM IRON BODY BRONZE MOUNTED

INSULATION COLDIC

INSULATION HOTIH

INSIDE BATTERY LIMITISBL

L LENGTH/LONG

LWN LONG WELDING NECK

MO MOTOR OPERATED

OVERHEADOvhd.

Pr. PAIR

PC PRESSURE CONTROLER

PROPERTY LINEPL

POINTPt.

31PIPING & INSTRUMENT IPS-D-PI-100ABBREVIATIONS OF

1

IRANIAN PETROLEUM STANDARDS

DRAWING No. REV.SHT

C

B

A

DESCRIPTIONREV.

DATE

DATE

NO REVISION PERMITTED UNLESS APPROVED BY STANDARD ORGANIZATION

7

31PIPING & INSTRUMENTABBREVIATIONS OF

IPS-D-PI-100

barg BAR GAGEAbbr. ABBREVIATION

AL AREA LIMIT

CWRCWS

CW COOLING WATER/COLD WATER

COOLD WATER SUPPLYCOOLD WATER RETURN

CP CORROSION PROBE

DL DRAWING LIMIT

Dn. DOWN

FA FLAME ARRESTOR

FINISH FLOOR

F Tk. FLUSH TANK

GI GALVANIZED IRON

Htr.

HT HYDRAULIC TEST

HEATER

Hex. Stl. HEX STEEL

IR INSIDE RADIUS

Lub. LUBRICATE (D) (ING)

Mov. MOVEMENT

NDT NUN DESTRUCTIVE TEST

NP NO PAINTING

NPTMNPTF

NOMINAL PIPE TAP MALENOMINAL PIPE TAP FEMALE

OR OUTSIDE RADIUS

PQR PROCEDURE QUALIFICATION TEST RECORD

Prm. PERMISSIBLE/PERMIT

PV PRESSURE VESSEL

HALF COUPLING/HOSE CONNECTOR/HOSE COUPLING

Chk d. CHECKED,

QCplg. QUICK COUPLINGHORIZONTAL Horiz.

Bet. BETWEEN