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TRANSCRIPT
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
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
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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
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
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
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
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
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
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D
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IDENTIFICATION LETTERS
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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
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
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F
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HI
J
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IDENTIFICATION LETTERS
FIRST-LETTER SUCCEEDING-LETTER
N
O
P
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R
ST
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VW
X
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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
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
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
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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
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
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
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
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
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
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
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
..................................................................................................
.................................................................................................
.....................................................................
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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
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
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
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
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
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
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
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
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.................................................................................................
.....................................................................
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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
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
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
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
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
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
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
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