freezer storage system: suppression mode fire sprinkler

GeneralDescriptionThe Model ESFR-25/WilFlow FreezerStorage System is the outcome of acollective technological effort betweenFactory Mutual Research Corporation,JRW Technologies, Inc., and Tyco FireProducts. The system (Ref. Figure 1) isintended for use in protecting high-piled storage (e.g., palletized, solidpiled, or rack) within refrigerated ar-eas. Without the need for a dry-pipesystem and/or in-rack sprinkler re-quirements, the ESFR-25/WilFlowFreezer Storage System provides“suppression mode” versus “controlmode” fire protection, which had notpreviously been available for refriger-ated areas.

This system utilizes Model ESFR-25/WilFlow Early Suppression FastResponse Sprinklers with a nominalK-factor of 25.2 GPM/psi1/2 (362.9LPM/bar1/2) in conjunction with sprin-kler pipe that is filled with a patentednon-freezing fluid (“JRW Technolo-gies, Inc.” — WilFlow Fluid “B”) thathas been specifically tested and ap-proved for use with the Model ESFR-25/WilFlow Sprinklers. The WilFlowFluid “B” remains in a liquid state totemperatures as low as -20°F/-29°Cand is maintained at a pressure of 172psi (11,9 bar) in the system pipingabove of the Model F200 Alarm CheckValve.

The automatic pressure maintenanceof the WilFlow Fluid “B” is accom-plished by the use of the Maintenance

Model ESFR-25TM/WilFlowTM Freezer Storage System:Suppression Mode Fire Sprinkler ProtectionFor Storage In Refrigerated Areas

Technical Services: Tel: (800) 381-9312 / Fax: (800) 791-5500

of 16 TFP314JULY, 2002

FIGURE 1MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM

— TYPICAL SYSTEM ARRANGEMENT —

CHAIN AND DELIVERY

ALARM

VALVECHECK

PUMP AND TANKFOR WILFLOW

MAINTENANCE

WITH OPERATING

TUBE

FLUID "B"

FLUIDSAMPLING VALVE

ESFR-25SPRINKLERS

SPACEFREEZER

(EXTERIORROOM

TO FREEZERSPACE)

VALVE

— IMPORTANT —

Tyco Fire Products requires thatinstalling contractors of theESFR-25/WilFlow Freezer Stor-age System utilizing WilFlowFluid “B” be certified in properdesign, fabrication, installation,and maintenance of the system.Certification includes referenceto the Contractors Manual enti-tled “Design, Installation, Fabri-cation, and Maintenance of theESFR-25/Wilflow Freezer Stor-age System Using Tyco FireProducts ESFR-25/WilFlowSprinklers”dated July 2002. Con-tact your local Tyco Fire Prod-ucts sales representative formore details.

Individuals responsible for thedesign, fabrication, installation,or maintenance of the ESFR-25/Wilflow Freezer Storage Sys-tem utilizing WilFlow Fluid “B”must have an overall under-standing of the system.

Customer Service/Sales:Tel: (215) 362-0700 / (800) 523-6512

Fax: (215) 362-5385

TFP314

OBSOLETE

Pump and Tank Unit (“General AirProducts” — Model PLPS300-4B) lo-cated adjacent to the riser. Mainte-nance of the WilFlow Fluid “B” at ahigher pressure than the incomingwater supply helps assure that the sys-tem piping remains free of water thatcould compromise the effectiveness ofthe WilFlow Fluid “B”.

Upon operation of the ESFR-25/WilFlow Sprinklers during a fireevent, the WilFlow Fluid “B” is immedi-ately discharged from the operatedESFR-25/WilFlow Sprinklers, followedby water from the system water supplydelivered through the F200 AlarmCheck Valve.

The F200 Alarm Check Valve and Trimprovide for fire alarms upon systemoperation, as well as help with the pre-venting of backflow of the WilFlowFluid “B”. The continuous groove of theF200 Alarm Check Valve seat ring pro-vides an open-to-atmosphere air gapbetween the WilFlow Fluid “B” and thesystem water supply.

Major advantages provided by theModel ESFR-25/WilFlow Freezer Stor-age System are as follows:

• Provides a suppression mode sprin-kler system at low ESFR pressurerequirements.

• Permits the use of an ESFR typesystem in a refrigerated area (anESFR system that requires the useof water-filled pipe is not otherwisean option for refrigerated areas).

• Allows for the protection of cold stor-age over 25 feet (7,6 m) high withoutthe requirement for “in-rack” sprin-klers.

• Eliminates the need for dry pipevalves.

• Eliminates the possibility of ice-plugformation within piping system.

• Eliminates the water delivery delaytimes associated with dry pipe typesystems.

WARNINGThe Model ESFR-25/WilFlow FreezerStorage System described hereinmust be installed and maintained incompliance with this document, aswell as with the applicable standardsof the National Fire Protection Asso-ciation, in addition to the standards ofany other authorities having jurisdic-tion (e.g. Factory Mutual). Failure todo so may impair the integrity of thissystem and void the warranty.

Fluid contraction (resulting from a tem-perature decrease) can result in waterinadvertently entering the sprinklersystem, compromising the effective-ness of the fluid , freezing, and render-

ing the system inoperative. This condi-tion would occur as a result of fluidcontracting more than the availablevolume of make-up fluid on hand. Alow level switch is provided with thePLPBS300-4B Tank and Pump Unit toalert maintenance personnel to refillthe tank.

Fluid expansion (resulting from a tem-perature increase) can result in over-pressurization. Failure to relieve thepressure in this condition can result inmechanical damage to sprinklers andpipe, as well as rendering the systeminoperative. This condition could occurafter initial pressurization of the sprin-kler system, if the temperature of anyportion of the refrigerated area is to beincreased for maintenance purposesand increasing pressure is not relievedaccordingly.

The owner is responsible for maintain-ing their fire protection system and de-vices in proper operating condition.The installing contractor or manufac-turer should be contacted relative toany questions.

TechnicalDataApprovalsWilFlow Fluid “B” is FM Approved un-der the name of JRW Technologies,Inc. FM Approval is based on theWilFlow Fluid “B being utilized in ac-cordance with the applicable FM LossPrevention Data Sheets.

The ESFR-25/WilFlow Freezer Stor-age System, when installed in accord-ance with this technical data sheet,meets the FM Approval requirementsfor use of WilFlow Fluid “B”.

Refrigerated AreaTemperature Range+10°F to -20°F (-12°C to -29°C).

Use of the fluid in temperatures lowerthan -20°F can result in crystallizationand eventual freezing of the fluid withinthe piping network, rendering the sys-tem inoperable and possibly damagingsprinklers and fittings. The crystal-lization and eventual freezing couldlead to premature activation. Use ofthe fluid in temperatures above +10°Fwill result in a corrosion rate on thebrass sprinklers greater than accept-able to Factory Mutual, reducing thelife of the sprinklers.

of 16 TFP314


— MODEL ESFR-25/WILFLOW EARLY SUPPRESSION FAST RESPONSEPENDENT SPRINKLER ASSEMBLY —

1 - Frame2 - Deflector3 - Compression Spring4 - Hook5 - Strut

6 - Link Assembly7 - Button8 - Sealing Assembly9 - Ejection Spring

2

3

6

4

5

9

8

7

1

1" NPT

(BOTH SIDES)WRENCH FLAT

(96,8 mm)3-13/16"

9/16" (14,3 mm)NOMINAL MAKE-IN

2" (50,8 mm)TEMPERATURE

RATING

OBSOLETE

Maximum Water Supply Pressure165 psi (11,4 bar).

WilFlow Fluid “B”The WilFlow Fluid “B” non-freezing so-lution for use within the parameterscalled for with the ESFR-25/WilFlowFreezer Storage System has beenspecifically tested and approved byFactory Mutual. Use of any other typesof fluids is not permitted within thedesign guidelines of this system.WilFlow Fluid “B” is derived from FDAapproved food additive technology. It isnon-toxic; biodegradable; non-flam-mable; not classified dangerous fortransport; soluble in water; anti-micro-bial (used as food additive); and, non-carcinogenic. It may be disposed of aswastewater when in conformance withlocal regulations.

ESFR-25 WilFlow SprinklerThe ESFR-25 WilFlow Sprinkler (Ref.Figure 2) has a bronze frame with tef-lon sealing assembly for the dischargeorifice that has a nominal K-factor of25.2 GPM/psi1/2 (362.9 LPM/bar1/2).

These sprinklers are factory testedspecifically for use with the WilFlow

Fluid “B”. They are identified by havingblack painted frame arms.

F200 Alarm Check Valve and TrimThe F200 Alarm Check Valve (Ref. Fig-ure 3) has a cast iron body with annulargrooved bronze seat ring and anEPDM clapper facing. When used inthe ESFR-25/WilFlow Freezer StorageSystem, the F200 Alarm Valve istrimmed with galvanized “FreezerTrim” (Ref. Figure 4). The trim providesall of the appropriate connections forpressure gauges, main drain, alarms,and WilFlow Fluid “B” maintenance.The annular groove of the F200 AlarmCheck Valve provides an open-to-at-mosphere air gap between the WilFlowFluid “B” and the system water supply.

Model PLPS300-4B MaintenancePump and Tank UnitThe Maintenance Pump and Tank Unit(Ref. Figure 5) is provided as an as-sembled unit with all appropriate con-nections and controls.

The pump is a regenerative turbinetype pump. It is rated to supply 7 to 8GPM at 165 psi (26,5 to 30,3 LPM at11,4 bar). Pump voltage is 460 VAC/3phase/60 Hz. The pump controls are

120 VAC/single phase/60 Hz. The con-trols include dry contacts for supervi-sory valve position switch and tanklow-level switch. The pressure switchfor the pump discharge is set for anominal shut off pressure of 172 psi(11,9 bar).

The tank is a 60 gallon (230 litres)vertical tank constructed of a high den-sity Polyethylene and is equipped withan outside and visible fluid level sightindicator as well as an internal low fluidlevel switch. The switch contains con-tacts, which open when the tank leveldrops to approximately 7 gallons (26,5litres) remaining. The opening of thesecontacts inhibits pump operation. A setof dry contacts is provided at the panelto activate a supervisory condition thatthe pump has been shut down. Thetank is equipped with a 3/4 inch NPToutlet at the base for connection to thesuction piping to the pump. The tank isalso equipped with a vent fitting asappropriate; a 7 inch threaded cap;and a 1 inch NPT threaded connectionfor the tank fill line.


— MODEL F200 ALARM VALVE ASSEMBLY —

No. Description

1 Valve Body2 Handhole Cover3 Handhole Cover Gasket

No. Description

4 Seat Ring5 Clapper w/Bushings6 Clapper Facing

No. Description

7 Clapper Washer8 Self-Locking Cap Screw9 Hinge Pin

No. Description

10 Spring11 Handhole Cover Bolts12 3/8" NPT Plug

TFP314 of 16

OBSOLETE


— MODEL F200 ALARM VALVE “FREEZER TRIM” ARRANGEMENT —

ALARMTEST VALVE

CLOSED)(NORMALLY

PRESSURE ALARM

RESTRICTIONASSEMBLY

(SEE DETAIL)

DRIP

CONNECTIONTO DRAIN

1-1/4 INCH NPT

FUNNEL

FOR OPTIONAL

SUPERVISEDELECTRICALLY

LOCATION

CONTROL

(BVS-1/2")

N.O. ALARM

VALVE

CONNECTIONFOR WATERFLOW

1/2 INCH NPT

SWITCH FOR WATERMOTOR ALARM

3/4 INCH NPTCONNECTION

GAUGE

1/2" NPT(TYPICAL)

WITH 0.125"RESTRTICTION

ORIFICE(3.2 mm)

DRAINWITH 0.219"

RESTRTICTION

RESTRICTION ASSEMBLY

INLET

(5.6 mm)ORIFICE

DETAIL

SCREEN

PRESSURE

VALVERELIEF

9

13

13

1928

222

1

24

5

1

2

NO. QTY.DESCRIPTION P/N

92-343-1-005

46-005-1-002

46-050-1-004

46-048-1-009

92-211-1-005

1

2

4

567

300 psi/ 2000 kPa

1/4" Gauge Test

1/2" Ball Valve1/2" Y-Strainer2" Angle ValveDrip Funnel

2

2

1

1

1

Water PressureGauge

Valve

Connector

. . . .

. . . .

. . . . . . . . . . .

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

. . . . . . . .9

92-211-1-003Drip Funnel

1Bracket . . . . . . . . . .

8

1627

2915

1826

626

18

2030

1723

4

11

FUNNELTO DRIPROUTE

8

10

26

ALARM VALVE

1Restriction

. . . . . . . .3

Assembly 92-210-1-0051/4" 185 psi Pressure

1Relief Valve . . . . . . 92-343-1-026

1. . . . 52-353-1-005 1. . . . .Reducing Tee

11/2" x 1/2" x 3/4"Reducing Tee

20. . . . .

2

2

1

1

211

1

. . . . . . . .Connector

3/4" Plug for 8 inch

1/2" x 1/4" x 1/2"

valves1/2" Union

1/2" Tee1/4" Tee1/2" 90° Elbow

1819

17

1516

. . . . . . . . .

. . . . . . . . .

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

. . . . . . . . . . .

and 6 inch valves1/2" Plug for 4 inch14

. .

1/4" TubingDrip Funnel10

11. . . . . . .

CH

92-343-1-007

QTY.DESCRIPTIONNO. P/N

2

1

1

1

2

2

111

1

27 1/2" x 2" Nipple . . . .

2" x Close Nipple31 . .

for 8 inch valves

for 6 inch valves1/2" x 2-1/2" Nipple

1/2" x 4" Nipple

1/2" x 3" Nipple2829

. . .

. . .

. . . .

. . . . . . . . . . .Nipple

1/2" x Close. . . . . . . . . . .

1/4" x 4" Nipple1/4" x 2" Nipple

Nipple

2425

. . . .

. . . .

1/4" x Close

2" x 2" x 1"Reducing Tee

21

22. . . . .

QTY.DESCRIPTIONNO. P/N

MODEL F200

CH

CHCHCHCHCH

CH

CH

CH

CHCHCH

CH

CHCH

CH

CH

CH

CH: Common Hardware

are GalvanizedAll Fittings and Nipples

PRESSURESYSTEM

GAUGEPRESSURE

SUPPLY

1/2" x 1-1/2" Nipplefor 4 inch valves . . . 1 CH

2512

27

25

MAINTENANCEPUMP AND TANK

CONNECTION FROM1 INCH NPT

DRAIN VALVE

CONNECTION2 INCH NPT

TO DRAIN

(NORMALLYCLOSED)

MAIN

7

14

BY-PASS TRIM

31

2131

PACKAGED of the Alarm Valve Seat Ring Groove as it applies

Pre-assembled By-pass Trim is packaged with the

to the ESFR-25 Freezer Storage System.

If installed, the By-pass Trim defeats the function

Model F200 Alarm Valve within the Valve Body.

Discard the By-pass Trim and, as indicated,plug the Valve By-pass Ports with the Pipe Plugs,Item 14, that are provided with the Freezer Trim.

DISCARD

WITHIN THEMODEL F200

ALARM VALVE

PIPEPLUGS

(ITEM 14)

14

1/2" x 4-1/2" Nipple

for 4 inch valves1/2" x 2" Nipple

1/2" x 3" Nipplefor 6 inch valves

for 8 inch valves

30

CH. . . 1

CH

CH

. . .

. . . 1

1

12 1/4" Tube,36" Long . . . . . . . . . CH1

23

13 CH1/4" Plug . . . . . . . . . 2 26 1/2" x 1-1/2"Nipple . . . . . . . . . . . CH3

3

of 16 TFP314

OBSOLETE


— MODEL PLPS300-4B MAINTENANCE PUMP AND TANK ASSEMBLY —

28"(711,2 mm)

30"(762,0 mm) (152,4 mm)

6"

VENTTANK

CAP

7"THREADED

TOP VIEW

PIPING DIAGRAM

VALVEISOLATIONTANK FILL

VENT

CONTROLPANELTANK

SWITCHLEVEL

TANKGAUGELEVEL

VALVE

SUPPLYISOLATION

Y-STRAINER TURBINE PUMPREGENERATIVE CHECK

VALVE

VALVE WITHSUPERVISORY SWITCH

SYSTEM ISOLATION

PS

LS

ISOLATIONDISCHARGE

TANK

VALVEN.O.

N.C.

N.C.

N.O.

SUPPLY

VALVEISOLATION

3/4" NPT

CONNECTIONLIQUID FILL

(177,8 mm)7"

VALVECHECK

PUMP

13-1/2"(342,9 mm)

LEFT SIDE VIEW

N.C.

N.O.VALVE

ISOLATIONDISCHARGE

TANK

VIEW A-A

Y-STRAINERCONNECTIONFROM TANK TOPUMP SUCTION

LINE

FOR FILLING

SUPERVISORY

N.O.SWITCH

SYSTEM

VALVE WITHISOLATION

PUMP

FROM PUMP

TO TANKDISCHARGE

CONNECTION

ISOLATION VALVESUPPLY

N.C.

VALVEN.O.

DISCHARGETANK

ISOLATION

66-5/8"(1692,3 mm)

SYSTEM

SUPERVISORYVALVE WITH

Y-STRAINER

ISOLATION

SWITCHN.O.

FRONT VIEW

PRESSURE

TANK FILLISOLATION

VALVEN.C.

SWITCH

CONTROLPANEL

AA

VALVECHECK

N.C.

TANK FILL

VALVEISOLATION

PUMP

GAUGELEVEL

FRAMESYSTEM

CONNECTION

1" NPT

TANK

LEVELSWITCH

TFP314 of 16

OBSOLETE

DesignCriteria

NOTEThe ESFR-25/WilFlow Freezer Stor-age Protection System is a variationof the “Anti-freeze System” definedin NFPA 13 or FM’s Data Sheet 2-8N.However, this system has distinctlydifferent design criteria as de-scribed as follows; consequently,the design criteria for “Anti-freezeSystems” defined in NFPA 13 orFM’s Data Sheet 2-8N do not applyand must not be utilized.

Installation - Layout and DesignFlow rates, pipe sizing, sprinkler spac-ing, hanging methods, and system de-sign for the ESFR-25/WilFlow FreezerStorage System must be in accord-ance with Factory Mutual guidelinesfor ESFR Sprinklers (Data Sheets 2-2,8-9, and 8-31).

Special consideration must be takenwhen util izing ESFR-25/WilFlowSprinklers near air handling units. Re-fer to FM Data Sheet 2-2 for guidelinesand recommendations.

Commodity ClassificationThe Model ESFR-25/WilFlow FreezerStorage System may be used to pro-tect Class I, II, III, IV and cartonedunexpanded plastics (excluding opentop combustible containers in racksand all expanded plastics) commodi-ties in open-frame racks or solidpiled/palletized (open or closed array).Refer to Table A for maximum buildingand ceiling heights.

The system may also be used to pro-tect uncartoned unexpanded plasticcommodities (excluding open-topcombustible containers in racks) inopen frame racks or solid-piled/pallet-

ized (open or closed array). Refer toTable B for maximum building and ceil-ing heights.

Minimum Calculated PressuresRefer to Table A or B, as applicable.

Pipe SizingPipe sizing must be determined usinga hydraulic calculation program utiliz-ing the Hazen-Williams formula to de-termine friction loss in piping, as wellas uti l izing the Darcy-Weisbachmethod to account for the friction lossthrough the piping system when flow-ing viscous fluids. The calculation pro-gram must be the FM recognized TycoFire Products SprinkCalcTM HydraulicProgram. (Also see “Hydraulic Calcu-lations” below.)

Hydraulic CalculationsHydraulic calculations shall be basedon both sets of the following calcula-tions:

1) The hydraulically most demanding12 ESFR-25/WilFlow Sprinklers oper-ating, 4 each on three separatebranch-lines, supplying minimumpressures per Table A or B. This calcu-lation (assuming flow of water) mustuse the Hazen-Williams formula forfriction loss, with a C-Factor of 120 orthe “Darcy-Weisbach” formula.

2) The hydraulically most demanding 6ESFR-25/WilFlow Sprinklers; 3 sprin-klers each on 2 branch lines, supplyingminimum pressures per Table A or B.This calculation (assuming flow ofWilFlow Fluid “B”) must use the FMrecognized Tyco Fire Products Sprink-Calc Hydraulic Program that is capa-ble of automatically adjusting the pres-sures to accommodate for theincreases in pressure requirements tomaintain the required flow for the vis-cosity of WilFlow Fluid “B”.

TABLE AHYDRAULIC DESIGN

PRESSURES(To protect Class I, II, III, IV andcartoned unexpanded plastics)

Maximum Maximum MinimumBuilding Storage DesignHeight, Height, Pressure,

Ft. Ft. PSI(m) (m) (Bar)

45 40 50(13,7) (12,2) (3,5)

40 35 40(12,2) (10,7) (2,8)

35 30 30(10,7) (9,1) (2,1)

30 25 20(9,1) (7,6) (1,4)

TABLE BHYDRAULIC DESIGN

PRESSURES(To protect uncartonedunexpanded plastics)

Maximum Maximum MinimumBuilding Storage DesignHeight, Height, Pressure,

Ft. Ft. PSI(m) (m) (Bar)

40 35 50(12,2) (10,7) (3,5)

of 16 TFP314

EXPANSION/CONTRACTION (GAL.)

2.442500

14.652

12.210

3000

1500

2500

2000

1000 4.884

7.326

9.768

100

50

0.488

0.244

9.7907.3484.884

APPROXIMATE FLUID

29.304

24.420

19.536

14.652

9.768

44.088

22.044

36.740

29.392

14.696

58.740

29.370

48.950

39.160

19.580

0.978

0.488

1.470

0.735

1.958

0.979

TEMPERATURE CHANGEINITIAL

VOLUMEFLUID

(GAL.)

20°F 40°F 60°F 80°F

TABLE CWILFLOW FLUID “B” EXPANSION/CONTRACTION

OBSOLETE

Low Point DrainsAll piping must be pitched to drain backto the riser. Low point drains shall beinstalled where drainage back to theriser cannot be accomplished. All fluidis to be completely removed from lowpoints before a new batch of fluid isloaded into the system.

Venting of AirThe system piping shall be vented ofair from trapped high points. Ventingmay be accomplished by individualvent valves or by a common line con-necting high points and piped to acommon vent valve located at the high-est point.

Fluid Sampling Valve ConnectionA Fluid Sampling Valve Connection(Ref. Figure 6) must be located at thetop of each system riser. The samplingconnection will facilitate implementingthe service requirements outlined inthe Care and Maintenance section.

Sprinklers & Di-electric UnionsSprinklers are to be 165°F/74°C tem-perature rated Model ESFR-25/WilFlow Pendent Sprinklers. TheESFR-25/WilFlow Sprinklers are to beconnected to the system piping via di-electric unions (Ref. Figure 7). The di-electric unions are to be brass by steelwith EPDM gaskets, P/N 54027, refer-enced in the Ordering Procedure sec-tion.

Riser ArrangementThe Riser Arrangement (Ref. Figure 8)must be installed in an area not subjectto freezing (minimum temperature of40°F/4°C). The Riser Arrangement isto include a supervised System Con-trol Valve; an F200 Alarm Check Valvewith ESFR-25/WilFlow “Freezer Trim”;a supervised System Shut-off Valveinstalled immediately above of theF200 Alarm Check Valve; and, a ModelPLPS300-4B Maintenance Pump andTank Unit. Pipe from the MaintenancePump and Tank Unit to the AlarmCheck Valve shall be 1 inch, brass orcopper.

The use of a supervised System Shut-off Valve installed immediately abovethe F200 Alarm Check Valve will facili-tate implementing the service require-ments outlined in the Care and Main-tenance section.

The contractor/installer needs to beaware of condensation, which can oc-cur on piping outside the freezer inwarmer areas. The condensation mayoccur for a limited distance (pipe size,temperature difference, etc. are con-tributing factors) on the pipe. This phe-nomena is typical with antifreeze fluidsin piping transitioning from cold towarm areas. Appropriate steps to limitthis condensation must be considered.

TFP314 of 16

A

FREEZERINTERIOR

AND SAMPLING TUBEOPERATING CHAIN

LENGTHS TO BE

ALLOW ACCESSSUITABLE TO

FROM FLOOR

FREEZEREXTERIOR

LOCATED AT

(MINIMUM 40°F)

OUTSIDE OFFREEZER

TOP OF RISER

1/2" OUTLET

1/2" BALL

TEE HANDLE &VALVE WITH COPPER

TUBE

1/4"

SIZE,RISER

INCHESMINIMUM,

DIM. A

INCHES

4 23

96

48

1.5 GALLONACCUMULATOR

VOLUME

OPERATINGCHAIN

SIZE

MINIMUMACCUMULATOR


— FLUID SAMPLING VALVE CONNECTION —

1" DI-ELECTRICBRASS & STEEL

UNION

BRASS

STEEL

ESFR-25

1" PIPENIPPLE

FIGURE 7MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM— TYPICAL SPRINKLER CONNECTION ARRANGEMENT —

OBSOLETE

Such steps might include, but not belimited to, locating risers next tofreezer walls as opposed to the far wallof a loading dock, where feed pipemust cross over the loading dock areaand condensation may drip onto aworking loading dock floor.

Maintenance Pump and Tank UnitRefer to the Maintenance Pump andTank Unit “Installation and Mainte-nance Instructions” prepared by Gen-eral Air Products for additional infor-mation.

It is recommended that one Mainte-nance Pump and Tank Unit be pro-vided per riser header, assuming thatthere are no more than five systemssupplied by this header.

NOTEIn the event that the water supply staticpressure exceeds 165 psi (11,4 bar) atthe Alarm Check Valve, a pressure-re-ducing valve shall be installed in thewater supply to the riser.

Inspector’s Test ConnectionAn alarm test connection for this sys-tem is provided as part of the AlarmCheck Valve “Freezer” trim. A re-motely located Inspector’s Test Con-nection for the function of performingalarm tests is not required per NFPAand must not be installed, since its usewould introduce water that would com-promise the effectiveness of theWilFlow Fluid “B”. Provisions for per-forming alarm tests without affectingthe integrity of the WilFlow Fluid “B”are provided in the Care and Mainte-nance section.

WilFlow Fluid “B” Considerations

Fluid Contraction. Table C shows ap-proximate WilFlow Fluid “B” expan-sion/contraction volumes for varioustemperature changes. (For example: Ifa sprinkler system with a volume of2000 gallons is filled with WilFlow Fluid“B” when the temperature is 60F andthe facility is later brought down to itsoperating condition of -20F (a differ-ence of 80F), the temperature dropresults in the fluid contracting by ap-proximately 39 gallons.) Therefore,during a facility “cool-down” period, asufficient supply of fluid must be avail-able to accommodate this contraction.

It is recommended that a 260 gallonIntermediate Bulk Container (IBC) beconnected via the PLPS300-4B Unit,with the Unit in the “AUTO” mode, dur-ing this “cool-down” period to assurethat adequate fluid is available duringcontraction. This recommendation isespecially critical when the fluid pres-sure in multiple systems is maintainedby one PLPS300-4B Unit.

Fluid Expansion. As noted within this

data sheet, fluid expansion can occurduring temperature increases. As anoption, the relief port of the PressureRelief Valve (Fig. 4 - Item 4) located onthe Alarm Check Valve can be piped toa reservoir so that the fluid may becaptured during expansion and re-used as necessary. This option can beutilized to encompass temperaturechanges in the temperature surround-ing the riser, wherein a small amountof expansion can be anticipated. Thereservoir is to be a closed top, cleancontainer. Use of a closed top con-tainer will prevent the WilFlow Fluid “B”from absorbing moisture out of the air.

NOTEExpansion resulting from increasingthe temperature in the freezer may notbe able to be handled by the PressureRelief Valve. Consequently, it is rec-ommended that the Pressure ReliefValve itself not be relied on for largeamounts of fluid expansion as can beanticipated by Table C.

of 16 TFP314

OBSOLETE

SystemMaterialsand AssemblyProper materials must be utilized, andproper assembly techniques must befollowed. Criteria with respect to pipe,threaded fittings, welding, gasketed fit-tings, and sprinkler connections are asfollows:

Pipe• Pipe shall meet or exceed the re-

quired NFPA specifications for blacksteel, minimum Schedule 10, pipe(ASTM A 795; ANSI/ASTM A 53;ASTM A 135).

• Proper end preparation of groovedpipe must be employed. The groovedimensions for both roll grooves andcut grooves, as called for within theCentral Groove Piping Productsdata sheet must be adhered to. Theend of pipe sealing surface shall befree of score marks, ridges, indenta-tions, projections, loose paint, scale,dirt, chips, grease, rust, etc. thatwould prevent a positive seal of thegrooved coupling gasket thereby al-lowing for possible leakage past thegasket.

• All threaded pipe shall have threads,which meet ASME B1.20.1 - PipeThreads, General Purpose per therequirements of NFPA 13.

• Threaded connections used to in-stall the sprinklers into the systemsuch as welded outlets must bechecked for thread quality by usingthread gages. Quality checks for thedepth of the thread, lobbing of thethread, truncation, etc. must bemade.

• Exposed threads and grooved endsof pipe and fittings must be pro-tected during transport to the jobsiteusing thread/pipe caps to preventdamage.

• Thread quality of pipe and fittingsmust be checked prior to installationto ensure that they are free of burrs,thread shavings, thread damage,chatter, or excessive tooling/stopmarks on threads.

Threaded Fittings• Threaded fittings shall meet or ex-

ceed the required NFPA specifica-tions for cast or malleable iron fit-tings (ASME B16.4, ASME B16.1,ASME B16.3).

• Di-electric unions shall be brass bysteel (brass end connected to brasssprinkler) with EPDM gaskets, P/N

54027, referenced in the OrderingProcedure section.

• Thread sealants must be non-sol-vent type and must be applied as perthe thread sealant manufacturer’sdirections. Threads must be cleanand free of grease and cutting oils,which can affect the cure and per-formance of the sealant, before ap-plication of thread sealants. TycoFire Products requires the use ofTeflon tape or an anerobic pipesealant compound which whencured will not harden and be subjectto shrinkage and cracking that cancause leakage.

Welding• Welding and welding practices shall

be in conformance to the require-ments of NFPA 13. As such, all weld-ing methods shall comply with therequirements of AWS B2.1, Specifi-cation for Qualification of WeldingProcedures and Welders for Pipingand Tubing.

• Per NFPA 13, “A welding procedureshall be prepared and qualified bythe contractor/fabricator before anywelding is done. Qualifications of thewelding procedure to be used andthe performance of all welders andwelding operators is required andshall meet or exceed the require-ments of AWS B2.1".

• Per NFPA 13, 1999 edition, “Con-tractors or fabricators shall be re-sponsible for all welding they pro-duce. Each contractor or fabricatorshall have available to the authorityhaving jurisdiction an establishedwritten quality assurance procedureensuring compliance with the re-quirements of 3-6.2.5".

• All welds and fabricated piping areto be checked for integrity beforeinstallation.

Gasketed Fittings• Central Grooved Piping Products

have been specifically tested withWilFlow Fluid “B” and are compat-ible with the ESFR-25/WilFlowFreezer Storage System.

• Only Central Grooved Piping Prod-ucts grooved fittings and couplingswill be warranted against leakswithin the system. Rigid typegrooved couplings (Fig. 572 or 772)with Tri-Seal Grade “E” EPDM cou-pling gaskets must be used whenjoining grooved sections of pipe andfittings.

The use of rigid couplings preventsexcessive movement at the pipe orfitting joints, which limits flexing ofthe gaskets sealing these joints. In

cold applications, this “flexing” whenthe gasket material has hardenedsomewhat due to temperature, cancause a leak path.

The use of the Tri-Seal Grade “E”gaskets offers a third surface thatdoes not allow water to get trappedin the standard gasket cavity after asystem trip and eventual drain down.Trapping of water in this cavity willresult in freezing and eventual dam-age to the gasket sealing capabili-ties.

• A petroleum free silicone based lu-bricant must be used. Do not usepetroleum/soap based lubricants.Standard type gasket lubricants cansolidify or freeze, causing leakage.

• Proper end preparation of thegrooved pipe must be employed.The groove dimensions for both rollgrooves and cut grooves, as calledfor within the Central Grooved Pip-ing Products data sheet must be ad-hered to. The end of the pipe sealingsurface shall be free of score marks,ridges, indentations, projections,loose paint, scale, dirt, chips,grease, rust, etc. that would preventa positive seal of the grooved cou-pling gasket thereby allowing forpossible leakage past the gasket.

• Reducing couplings cannot be usedin ESFR-25/WilFlow Freezer Stor-age Systems. These couplings areflexible, not rigid, and do not acceptTri-Seal type gaskets. Use concen-tric reducing fittings with the appro-priate sized rigid coupling at eitherend when changing pipe sizes.

• Coupling installation procedures (in-cluding the proper method of gasketand housing installation) must be fol-lowed as detailed within the mostrecent versions of Central GroovedPiping Products data sheets. Im-properly installed gaskets can resultin “pinching” of the gasket resultingin eventual leakage. As a reminder,only Tri-Seal gaskets and rigid cou-plings manufactured by CentralGrooved Piping Products are to beuse in ESFR-25/WilFlow FreezerStorage Systems utilizing WilFlowFluid “B”.

Sprinklers• The sprinkler pipe threads are to be

checked for damage, e.g., creasesor dents across the thread crest.Sprinklers having damaged pipethreads are not to be installed.Sprinklers having damaged pipethreads are to be replaced withsprinklers having pipe threads ingood condition.

• Threaded connections used to in-

TFP314 of 16

OBSOLETE

of 16 TFP314


— RISER ARRANGEMENT —

5

3

1

7

2

6

8

4

VIEW A-A

AA

TANK FILL ISOLATION VALVE, N.C.

TANK DISCHARGE ISOLATION

SUPPLY ISOLATION VALVE, N.C.

SUPERVISORY SWITCH, N.O.SYSTEM ISOLATION VALVE WITH

WITH SUPERVISORY SWITCH)SYSTEM SHUT-OFF VALVE (INDICATING

1/2" PRESSURE RELIEF VALVE

ALL PIPE AND FITTINGS FROM STORAGETANK TO ALARM VALVE SHALL BE BRASS

SUPPLY PRESSURE GAUGE

SYSTEM PRESSURE GAUGE

SYSTEM MAIN DRAIN VALVE

MAINTENANCE PUMP AND TANK

WITH SUPERVISORY SWITCH)

MODEL F200 ALARM CHECK VALVE

SYSTEM CONTROL VALVE (INDICATING

-10

12

11

NOTE:

OR COPPER.

VALVE, N.O.

-

-3 -

9

8

7

6

5

4

-

-

-

-

-

-

1

2 -

-

129

1011

OBSOLETE

stall the sprinklers into the systemsuch as welded outlets must bechecked for thread quality by usingthread gages. Quality checks fordepth of the thread, lobbing of thethread, truncation, etc. must bemade.

• Do not wrench directly onto the nip-ple that the di-electric union is at-tached to. Hand tighten the top of thedi-electric union onto the nipple.Tighten the nipple into the branch-line fitting by wrenching on theknurled portion of the top piece ofthe di-electric union. (Do not try towrench on the nipple itself as thisshort nipple is fully threaded , andhas no shoulder surface area for apipe wrench to hold. Wrenching onthe nipple will damage the threads,resulting in possible fluid leakage.)Install the bottom portion of the di-electric union, making sure to holdback on the upper portion of the un-ion. Finally, install the sprinkler intothe bottom of the union.

• Do not over torque any sprinkler intothe mating fitting. Over torqueingcan result in distortion of the sprin-kler frame and seat area, which cancause sprinkler seal leakage or pre-mature activation of the sprinklers.

• Use only the sprinkler wrench speci-fied for the ESFR-25/WilFlow Sprin-klers. Do not use an adjustablewrench, pipe wrench, etc. on thesprinkler. Wrenches that are notspecifically manufactured for auto-matic sprinklers may slip off thesprinkler wrench boss, resulting indamage to the fusible element of thesprinkler.

• When initially hand tightening theESFR-25/WilFlow Sprinklers intothe fitting, never squeeze around theframe arms of the sprinkler. Tighten-ing the ESFR-25/WilFlow Sprinklerwithout using the wrench boss canresult in damage and dislocation ofthe fusible element. The damageand dislocation of the fusible ele-ment can put the sprinkler into a very“unstable” condition, resulting in ac-tivation of the sprinkler.

This unstable condition can also re-sult from banging of the sprinklerson structural members while placingthe piping system through thesemembers. Before pressurizing thesprinkler system, always look forsprinklers which may show signs ofdamage and potential instability.Any sprinkler that is physically dam-aged must be replaced prior to pres-surizing of the sprinkler system.

• Thread sealants must be non-sol-vent type and must be applied as per

the thread sealant manufacturer’sdirections. Threads must be cleanand free of grease and cutting oils,which can affect the cure and per-formance of the sealant, before ap-plication of thread sealants. TycoFire Products requires the use ofTeflon tape or an anerobic pipesealant compound which whencured will not harden and be subjectto shrinkage and cracking that cancause leakage.

InstallationNOTES

Proper operation of the ESFR-25/WilFlow Freezer Storage Systemdepends upon its trim being installedin accordance with the instructionsgiven in this Technical Data Sheet.Failure to follow the appropriate trimdiagram may prevent the ESFR-25/WilFlow Freezer Storage Systemfrom functioning properly, as well asvoid listings, approvals, and the manu-facturer’s warranties.

The ESFR-25/WilFlow Freezer Stor-age System Riser Arrangement mustbe installed in a readily visible andaccessible location and must be main-tained at a minimum temperature of40°F/4°C.

The ESFR-25/WilFlow Freezer Stor-age System is to be installed in accord-ance with the following criteria:

Step 1. With reference to Figure 8,assemble the Riser Arrangement.

Step 2. With reference to Figure 4,assemble the “Freezer Trim”. All nip-ples, fittings, and devices must beclean and free of scale and burrs be-fore installation. Use pipe threadsealant sparingly on male pipe threadsonly.

Step 3. Complete the drain connec-tions from the Main Drain Valve andDrip Funnel, as appropriate.

Step 4. Install a water motor alarmand/or waterflow pressure alarmswitch, as applicable.

Step 5. With reference to the Mainte-nance Pump and Tank “Installation andMaintenance Instructions”, install theMaintenance Pump and Tank, andcomplete the 1 inch copper or brasspipe connections from the Mainte-nance Pump and Tank to the “FreezerTrim”.

Step 6. Make certain that the systempiping has been outfitted with Air Vent

Valve(s) and Fluid Sampling ValveConnection per the plans provided bythe system designer.

Step 7. Make certain that the ESFR-25/WilFlow Sprinklers are outfittedwith dielectric connections.

Step 8. Conduit and electrical connec-tions are to be made in accordancewith the requirements of the authorityhaving jurisdiction and/or the NationalElectric Code.

Step 9. The system is to be pressuretested as follows:

NOTESDo not use water to perform a hy-drostatic pressure test. The use ofwater will require the undesirable needfor draining each sprinkler drop aswould be necessary to avoid the for-mation of ice plugs that could ad-versely affect the system perform-ance.

When performing the hydrostatic pres-sure tests, the Pressure Relief Valve(Fig. 4 - Item 4) must be removed, thetee (Fig. 4 - Item 17) must be plugged,and the System Isolation Valve (Fig. 8- Item 9) must be closed.

A. Before fi l l ing the system withWilFlow Fluid “B”, it is recommendedthat a pneumatic pressure test be per-formed.

The system should initially be pressur-ized to 40 psi (2,8 bar) using nitrogen.The system must not have a pressureloss after 24 hours.

In lieu of using nitrogen pressure, com-pressed air may be used provided thatthe air has been dried. Caution mustbe taken to assure that the air is suffi-ciently dry for the temperature condi-tions that exist during the pressure testso as to avoid the introduction of anymoisture into the system.

After a satisfactory pneumatic pres-sure test, relieve the pneumatic pres-sure.

B. After the system piping is filled withWilFlow Fluid “B” following the SystemSetting Procedure, temporarily pres-surize the system to 222 psi (15,3 bar).The system must be able to maintainthis pressure for 2 hours with no leak-age. Loss shall be determined by dropin gauge pressure or visual leakage.The test pressure must be read fromthe System Pressure Gauge located atthe Alarm Check Valve. A test pressureof 222 psi (15,3 bar) is utilized sincethis meets the requirements of NFPAby testing at 50 psi (3,4 bar) in excessof the 172 psi (11,9 bar) working pres-sure provided by the MaintenancePump and Tank.

TFP314 of 16

OBSOLETE

SystemSettingProcedureThe setup and filling of the system isto be performed in accordance with thefollowing procedures:

Step 1. Confirm that the System Con-trol Valve (Fig. 8 - Item 1) is closed andthat the the System Shut-off Valve (Fig.8 - Item 3) is open.

Step 2. Confirm that the “On-Off-Auto”Switch on the Pump and Tank Unit isin “Off” position.

Step 3. Confirm that the system iscompletely drained and that the MainDrain Valve (Fig. 8 - Item 5) is closed.Refer to the “Sprinkler System Drain-Down” procedure in the Care andMaintenance section.

Step 4. Confirm that the 1/4 inchgauge test valves (Fig. 4 - Item 2) forthe supply and system pressuregauges are open.

Step 5. Open the air vent valve locatedon the remote cross main.

NOTEIf multiple vent/bleeder valves are in-stalled, i.e. one in each bay of con-struction, it is recommended that onlythe valve most remote from the riser beopened while filling the system withWilFlow Fluid “B”.

Step 6. Close the System IsolationValve (Fig. 8 - Item 9), Tank DischargeIsolation Valve (Fig. 8 - Item 11), Sup-ply Isolation Valve (Fig. 8 - Item 10),and Tank Fill Isolation Valve (Fig. 8 -Item 12).

Step 7. Connect the Intermediate BulkContainer (IBC) of WilFlow Fluid “B” tothe Supply Isolation Valve (Fig. 8 - Item10). Use of a flexible hose is permit-ted; however, do not restrict the flowfrom the WilFlow IBC.

NOTEPositive head pressure must be main-tained at the pump inlet connection.

Step 8. Open the valve on the IBC, andopen the Supply Isolation Valve (Fig.8 - Item 10) on the PLPS300-4B Unit.

Step 9. Open the System IsolationValve (Fig. 8 - Item 9).

Step 10. Switch the “On-Off-Auto”Switch on the Pump and Tank Unitcontrol panel to the “On” position. Liq-uid will begin to fill the system.

As each IBC is emptied and before theflexible hose connection is emptied,switch the the “On-Off-Auto” Switch on

the Pump and Tank Unit control panelto the “Off” position.

NOTEPositive head pressure must be main-tained at the pump inlet connection.

Repeat Steps 6 through 10 until thesystem is filled and discharge of aer-ated fluid ceases at the remote ventvalve in the system. At this time, switchthe “On-Off-Auto” Switch on the Pumpand Tank Unit control panel to the “Off”position and close the remote ventvalve.

Step 11. Close the System IsolationValve (Fig. 8 - Item 9).

Step 12. Fill the tank of the Pump andTank Unit by first opening the Tank FillIsolation Valve (Fig. 8 - Item 12).

Step 13. Switch the “On-Off-Auto”Switch on the Pump and Tank Unitcontrol panel to the “On” position. Liq-uid will begin to fill the tank of the Pumpand Tank Unit.

Step 14. When the tank of the Pumpand Tank Unit is filled, switch the “On-Off-Auto” Switch on the Pump andTank Unit control panel to the “Off”position, close the Tank Fill IsolationValve (Fig. 8 - Item 12), close the Sup-ply Isolation Valve (Fig. 8 - Item 10),open the Tank Discharge IsolationValve (Fig. 8 - Item 11), and open theSystem Isolation Valve (Fig. 8 - Item 9).

Step 15. Switch the “On-Off-Auto”Switch to the “Auto” position. The sys-tem will pressurize to approximately172 psi. Systematically open and closeeach vent valve in the system piping,working from the remote vent valve tothe vent valve nearest to the riser.Close each vent valve after dischargeof aerated fluid ceases.

NOTESThe PLPS300-4B Maintenance Pumpincorporates a “built-in” 15 minute de-lay between starts when in the “auto”mode.

It is possible for air pockets/bubbles toexist within a piping system even afterinitial venting of air. It can, however,take time for these pockets/bubbles tomigrate through a system-piping net-work. The venting procedure is to beperformed again at least 24 hours afterthe initial venting and then repeatedevery 24 hours until air no longer dis-charges from vent valves.

Step 16. Slowly open the SystemControl Valve (Fig. 8 - Item 1). Deter-mine the static pressure reading asindicated on the Supply PressureGauge (Fig. 8 - Item 7). Verify thatreading is a minimum of 7 psi (0,5 bar)below the System Pressure Gaugereading (Fig. 8 - Item 6).

Step 17. Perform an “Alarm Test” perthe alarm test procedures noted in TheCare and Maintenance section.

Step 18. Using the Fluid SamplingValve Connection (Fig. 6), confirm thatthe specific gravity of the WilFlow Fluid“B” is within tolerance of that publishedby JRW Technologies, Inc. (See “FluidInspection” in the Care and Mainte-nance section for methods and proce-dures for sampling of the WilFlow Fluid“B”).

Upon confirming the required specificgravity of the WilFlow Fluid “B”, thesystem is now set for service.

NOTERefer to Step 15 regarding completeair venting of the system.

of 16 TFP314

OBSOLETE

Care andMaintenanceThe following procedures are to beperformed as indicated, in addition toany specific requirements of the NFPA,and any impairment must be immedi-ately corrected.

The owner is responsible for the in-spection, testing, and maintenance oftheir fire protection system and de-vices in compliance with this docu-ment, as well as with the applicablestandards of the National Fire Protec-tion Association (e.g., NFPA 25), inaddition to the standards of anyauthority having jurisdiction. The in-stalling contractor or product manufac-turer should be contacted relative toany questions.

It is recommended that automaticspr inkler systems be inspected,tested, and maintained by a qualifiedInspection Service.

NOTESIt is required that individuals responsi-ble for care and maintenance of theESFR-25/WilFlow Freezer StorageSystem develop an overall under-standing of the system prior to per-forming inspection and service proce-dures. The instructions of thistechnical data sheet as well as individ-ual instructions for the Alarm Valve,Switches, Maintenance Pump andTank, etc. must be reviewed.

The alarm test and main drain testprocedures, as well as performing theservice to determine the cause forleakage from the alarm line drain, willresult in operation of the associatedalarms. Consequently, notificationmust first be given to the owner and thefire department, central station, orother signal station to which the alarmsare connected.

When optional electrically supervisedalarm control valve is installed onAlarm Valve Trim, and it was silencedduring operation, it must be re-openedimmediately after the fire protectionsystem is restored to service

Before closing a fire protection systemSystem Control Valve for maintenancework on the fire protection system thatit controls, permission to shut down theaffected fire protection systems mustfirst be obtained from the properauthorities and all personnel who maybe affected by this decision must benotified.

The following procedures refer to theESFR-25/WilFlow Freezer StorageSystem and are not all inclusive ofnormal system maintenance. For

other system devices, such as maincontrol and shut-off valves, supervi-sory devices, sprinklers, etc. refer toNFPA 25 and individual manufacturersinstruction for information on appropri-ate maintenance procedures and fre-quency recommendations.

SYSTEM INSPECTION AND TESTPROCEDURES

Leakage From Alarm Line DrainInspection

At least quarterly, inspect for leakagefrom the Restriction Assembly (Fig. 4 -Item 3) to determine the integrity of theAlarm Check Valve Clapper Facing asit relates to maintaining the WilFlowFluid “B” excess pressure over thewater supply pressure. If leakage ispresent, refer to “Fluid Inspection” andthen determine the cause of leakageby referring to the “Leakage fromAlarm Line Drain” under Service Pro-cedures.

Alarm Test

At least quarterly, perform an alarmtest. Notify the proper authorities andall personnel who may be affected,that an alarm test is to be performed.

Step 1. Open the Alarm Test Valve.(Fig. 4 - Item 5). Verify that the watermotor alarm and/or the pressure alarmswitch properly actuate and within theelapsed time required by the authorityhaving jurisdiction.

Step 2. Verify that water is flowing outof the alarm line drain at a rate consis-tent with the 0.125-inch (3,2 mm) di-ameter orifice in the Drain Restriction.If the alarm line drain appears to beclogged, determine the cause by refer-ring to the “Clogged Alarm Line Drain”under Service Procedures.

Step 3. Close the Alarm Test Valve.

Step 4. Verify that water ceases to flowfrom the alarm line drain.

Step 5. Clean the 1/2-inch Y-Strainer(Fig. 4 - Item 6). If a Water Motor Alarmis being utilized, also clean the 3/4-inch Strainer located at the connectionto the water motor alarm. Be sure toreplace the strainer baskets andtighten the caps securely.

NOTECleaning of the Strainers after eachoperation of the alarms is especiallyimportant in the case of water supplies(such as lakes and rivers) having alarge quantity of suspended matter. Aclogged alarm line can prevent opera-tion of the alarms.

Step 6. Notify all authorities responsi-

ble for monitoring the installation thatthe fire protection system has beenreturned to service.

Main Drain Test

At least annually perform a main draintest. A main drain test (flow test) mustbe performed as recommended byNFPA 25. The following proceduremust be followed when performing amain drain test for the ESFR-25/WilFlow Freezer Storage System.

Step 1. Close the System Shut-offValve (Fig. 8 - Item 3) located abovethe Alarm Check Valve.

Step 2. Record the pressure as indi-cated on the Supply Pressure Gauge(Fig. 8 - Item 7).


Step 4. Fully open the Main DrainValve (Fig. 8 - Item 5).

Step 5. After flow has stabilized, re-cord the residual pressure as indicatedon the Supply Pressure Gauge (Fig. 8- Item 7). Compare this reading toprevious readings, and correct any im-pairments as necessary.

Step 6. Close the Main Drain Valve(Fig. 8 - Item 5).

Step 7. Close the System ControlValve (Fig. 8 - Item 1) located belowthe Alarm Check Valve.

Step 8. Open Main Drain Valve (Fig. 8- Item 5) again to drain the water be-tween Alarm Check Valve clapper andSystem Shut-off Valve located abovethe Alarm Check Valve.

Step 9. Remove the Handhole Cover(Fig. 3 - Item 2) from the F200 AlarmCheck Valve and remove any standingwater from inside the Alarm CheckValve. While the Handhole Cover isremoved, take this opportunity to wipeclean the Seat Ring (Fig. 3 - Item 4)and Clapper Facing (Fig. 3 - Item 6)with a clean cloth. After cleaning theClapper Facing and Seat Ring, replacethe Handhole Cover.

Step 10. Close Main Drain Valve (Fig.8 - Item 5).

Step 11. Open the System IsolationValve (Fig. 8 - Item 9). (The Mainte-nance Pump should momentarily op-erate, re-pressurizing the system sideof the Alarm Check Valve.)

Step 12. Open System Shut-off Valve(Fig. 8 - Item 3) located above theAlarm Check Valve. (The MaintenancePump may momentarily operate, re-pressurizing the system side of theAlarm Check Valve)

Step 13. Slowly open the System Con-

TFP314 of 16

OBSOLETE

trol Valve (Fig. 8 - Item 1) located belowthe Alarm Check Valve.

Step 14. Notify all authorities respon-sible for monitoring the installation thatthe fire protection system has beenreturned to service.

Fluid Inspection

NOTEThis system utilizes an FM Approvednon-freezing solution specificallytested and approved by FM for usewithin the strict parameters and re-quirements as called for within thisdata sheet. Proper periodic fluid in-spection as recommended hereinmust be performed to ensure systemintegrity and performance, and is theresponsibility of the owner. It is recom-mended that a qualified inspectionservice perform these inspections.

At least quarterly, sampling of theWilFlow Fluid “B” shall be taken fromthe Fluid Sampling Valve Connec-tion(s) and a measurement performedon the specific gravity of the fluid shallbe taken.

If the specific gravity deviates fromthat originally supplied (within theallowed tolerance) for all three sam-ples, the fluid must be replaced.

If the specific gravity deviates fromthat of the supplied fluid for any ofthe three samples, proper steps toinspect and repair the Alarm CheckValve must be taken.

NOTEThe Fluid Sampling Valve Connection(Ref. Figure 6) acts as an accumulatorto trap any possible leakage of waterpast the Alarm Check Valve. The vol-

ume of the Fluid Sampling Valve Con-nection is such that it allows for up tothree samplings so as to not need-lessly replace the WilFlow Fluid “B”should a deviation of specific gravityhave been detected in the first one ortwo samples.

The procedure for fluid sampling andmeasuring must be performed as fol-lows:

Step 1. Discharge a 1/2 gallon (1,9litre) of fluid from the Fluid SamplingValve Connection (Ref. Figure 6). Thesample is to be collected into a clean,dry, 3/4 gallon (2,8 litre) or larger con-tainer and then sealed. Use of a closedtop container will prevent the WilFlowFluid “B” from absorbing moisture outof the air, preventing an erroneousreading.

Step 2. Allow sample to warm untilreaching a minimum temperature of59F/15C in order to utilize Graph A.

Step 3. Perform a specific gravity testusing a Combined Form Hydrometerand 500 ml Calibrated Graduated Cyl-inder as outlined in Steps 4 through 6.

Step 4. After filling the 500 ml cali-brated cylinder with WilFlow Fluid “B”,gently insert the Combined Form Hy-drometer into the cylinder and allowthe Hydrometer to float. If necessaryadd fluid to the cylinder until the Hy-drometer is floating.

Step 5. Note the temperature showingon the thermometer portion of the Hy-drometer. Also note the specific grav-ity reading as shown on the Hydrome-ter at the top of the fluid.

Step 6. Using Graph A, find the point

on the graph representing the tem-perature and specific gravity readings.This point must lie within the +1% and-1% of the nominal curves shown.

Step 7. If the test results for the firstsample are within the allowed toler-ance, the inspection has been com-pleted. Otherwise proceed to Step 8.

Step 8. If the test results are not withinthe allowed tolerance, Steps 1 through6 may be repeated up to two additionalattempts. Appropriate specific gravitymeasurement in any of the three sam-ples confirms fluid integrity.

Pipe/Fittings/Sprinkler Inspection

Pipe, fittings, and sprinklers must beinspected at minimum frequencies ascalled for by NFPA 25. They shall befree of mechanical damage, leakage,and corrosion. Corrective action mustbe taken immediately if any of theseconditions exist.

SERVICE PROCEDURES

Sprinkler System Drain-Down

Draining the sprinkler system must bedone in accordance with the followingprocedures.

NOTESIf the system is being drained after asystem operation, as in the case of afire, and when the system has beeninfiltrated with water, the water/fluiddrained from the system must be dis-carded. Special consideration mustbe given to draining all of the sprinklerdrops, as well as any low points. Inaddition, inspect for and clear all iceplugs, where system piping has beenexposed to freezing conditions andwhen there has been a flow of waterinto the system.

If the system is being drained for serv-ice and water has not entered the sys-tem, the WilFlow Fluid “B” may bedrained into a closed top, “clean, dryand odorless” container, and used tore-fill the system. It is the responsibilityof the container supplier to certify thatthe container being used is “clean, dryand odorless.” The use of containersthat do not meet these criteria couldintroduce substances (including mois-ture) back into the WilFlow Fluid “B”that would be detrimental to the fluidand system.

Step 1. Close the System ControlValve (Fig. 8 - Item 1)


Step 3. Open vent valve(s) located atthe high points.

of 16 TFP314

GRAPH ANOMINAL SPECIFIC GRAVITY FOR WILFLOW FLUID “B”

AS A FUNCTION OF TEMPERATURE(ACCEPTABLE TOLERANCE OF PLUS OR MINUS ONE PERCENT)

15°C 20°C 25°C 30°C

TEMPERATURE

1.274

1.258

1.262

1.266

1.270

SP

EC

IFIC

GR

AV

ITY

1.278

(59°F) (68°F) (77°F) (86°F)

-1%

NOMINAL

+1%

OBSOLETE

Step 4. Open the Main Drain Valve(Fig. 8 - Item 5).

Step 5. After drainage has completelyceased from Main Drain Valve, openand completely drain any low pointdrains.

Step 6. Replace any sprinklers whichmay have activated.

Leakage From Alarm Line Drain

Follow the steps indicated below untilwater ceases to flow from the alarmline drain. Check for the discontinu-ation of the leakage after each step iscomplete. Keep in mind however, thatalarms will sound during this proce-dure.

Close the System Shut-off Valve (Fig.8 - Item 3) to prevent drain-back ofWilFlow Fluid “B” during the followingsteps.


Step 2. Open the Main Drain Valve(Fig. 8 - Item 5). Let the water flow forabout 5 seconds before tightly re-clos-ing the valve. This should flush anyloose debris that may have becometrapped between the Alarm CheckValve Clapper Facing and the SeatRing.

Step 3. Repeat Steps 1 and 2 if therate of continued flow out of the drainwas noticeably reduced. If leakagecontinues, proceed to Step 4. If leak-age stops, reset the system by open-ing the System Isolation Valve (Fig. 8 -Item 9) followed by the System Shut-off Valve (Fig. 8 - Item 3). The systemis now reset.

Step 4. Open the Alarm Test Valve(Fig. 4 - Item 5) and allow the water toflow for about 5 seconds before re-closing the valve. This should flush outany loose debris that may have be-come trapped in the seating area of theAlarm Test Valve.

Step 5. Repeat Step 4 if the rate ofcontinued flow out of the drain wasnoticeably reduced. If leakage contin-ues, proceed to Step 6. If leakagestops, reset the system by opening theSystem Isolation Valve (Fig. 8 - Item 9)followed by the System Shut-off Valve(Fig. 8 - Item 3). The system is nowreset.

Step 6. Slowly loosen the union in theAlarm Test valve by-pass and deter-mine whether the water is flowing fromthe Alarm Port (Fig. 3) or past theAlarm Test Valve. If the leakage is pastthe Alarm Test Valve, close the SystemControl Valve (Fig 8 -Item 1), and thenrepair or replace the Alarm Test Valveas necessary. Re-assemble the unionand reset the system by opening the

System Isolation Valve (Fig. 8 - Item 9),opening the System Shut-off Valve(Fig. 8 - Item 3), and opening the Sys-tem Control Valve (Fig 8 -Item 1). Thesystem is now reset.

Step 7. If it appears the leakage notedin Step 6 is from the Alarm Port, theClapper Facing in the Alarm CheckValve is to be replaced and the SeatRing inspected as follows:

(A) Close the System Control Valve(Fig. 8 - Item 1) and open the MainDrain Valve (Fig. 8 - Item 5).

(B) Remove the Handhole Cover.While holding the spring down by thecoils, remove the Hinge Pin. Removethe Spring and Clapper Assembly (Fig3 - Items 5, 6, 7, 8, and 10).

(C) Using a light, check for and removeany debris that may have becomelodged within the Seat Ring groove.Inspect the Seat Ring seat for anydamage. If the Seat Ring has becomedented across the seat, the valve mustbe replaced. It is impractical to re-facea Seat Ring in the field.

(D) Check for and remove any debriswhich may have become lodged in theClapper Facing. If a minor imperfec-tion remains in the Clapper Facing,then turn it over after thoroughly clean-ing both surfaces with a clean cloth.Replace the Clapper Facing if neces-sary. Be sure to securely re-tightenthe retaining screw for the ClapperWasher.

(E) Replace the spring and ClapperAssembly as shown in Figure 3 andthen while holding the coils of theSpring down, re-insert the Hinge Pin.Be sure that the Hinge Pin is pushedall the way to the rear of the valve.

(F) Replace the Handhole Cover.

(G) Close the Main Drain Valve.

(H) Open the System Isolation Valve(Fig. 8 - Item 9). (The MaintenancePump should momentarily operate, re-pressurizing the system side of theAlarm Check Valve.)

(I) Open System Shut-off Valve (Fig. 8- Item 3) located above the AlarmCheck Valve. (The Maintenance Pumpmay momentarily operate, re-pressur-izing the system side of the AlarmCheck Valve)

(J) Slowly open the System ControlValve (Fig. 8 - Item 1) located belowthe Alarm Check Valve.

The system is now reset.

Clogged Alarm Line Drain

If water either does not flow or onlydribbles out of the alarm line drainduring an alarm test, then it is likely

that the screen protecting the drainrestriction orifice (Fig. 4 - Item 3) hasbecome clogged. Unscrew the DrainRestriction from the Restriction As-sembly and clean the screen by backflushing.

NOTEA clogged alarm line drain will increasethe likelihood of a false alarm in thecase of a variable pressure system.

TFP314 of 16

OBSOLETE

LimitedWarrantyProducts manufactured by Tyco FireProducts are warranted solely to theoriginal Buyer for ten (10) yearsagainst defects in material and work-manship when paid for and properlyinstalled and maintained under normaluse and service. This warranty will ex-pire ten (10) years from date of ship-ment by Tyco Fire Products. No war-ranty is given for products orcomponents manufactured by compa-nies not affiliated by ownership withTyco Fire Products or for products andcomponents which have been subjectto misuse, improper installation, corro-sion, or which have not been installed,maintained, modified or repaired in ac-cordance with applicable Standards ofthe National Fire Protection Associa-tion, and/or the standards of any otherAuthorities Having Jurisdiction. Mate-rials found by Tyco Fire Products to bedefective shall be either repaired orreplaced, at Tyco Fire Products’ soleoption. Tyco Fire Products neither as-sumes, nor authorizes any person toassume for it, any other obligation inconnection with the sale of products orparts of products. Tyco Fire Productsshall not be responsible for sprinklersystem design errors or inaccurate orincomplete information supplied byBuyer or Buyer’s representatives.

IN NO EVENT SHALL TYCO FIREPRODUCTS BE LIABLE, IN CON-TRACT, TORT, STRICT LIABILITY ORUNDER ANY OTHER LEGAL THE-ORY, FOR INCIDENTAL, INDIRECT,SPECIAL OR CONSEQUENTIALDAMAGES, INCLUDING BUT NOTLIMITED TO LABOR CHARGES, RE-GARDLESS OF WHETHER TYCOFIRE PRODUCTS WAS INFORMEDABOUT THE POSSIBILITY OF SUCHDAMAGES, AND IN NO EVENTSHALL TYCO FIRE PRODUCTS’ LI-ABILITY EXCEED AN AMOUNTEQUAL TO THE SALES PRICE.

THE FOREGOING WARRANTY ISMADE IN LIEU OF ANY AND ALLOTHER WARRANTIES EXPRESS ORIMPLIED, INCLUDING WARRANTIESOF MERCHANTABILITY AND FIT-NESS FOR A PARTICULAR PUR-POSE.

OrderingProcedureAll orders for ESFR-25/WilFlowFreezer Storage System componentsmust include the description and PartNumber (P/N), where applicable.

WilFlow Fluid “B”:Specify: (Quantity in U.S. Gallons) ofWilFlow Fluid “B”, P/N 540244.

NOTESWilFlow Fluid “B” is shipped in an IBCcontaining approximately 260 gallons.

Minimum order of 53 gallons is re-quired.

WilFlow Fluid “B” is subject to expan-sion and contraction with temperaturechanges. Consideration must be givento fluid contraction, which will occurwhen the temperature in the refriger-ated area is decreased to its eventualoperating condition. An adequate sup-ply of spare WilFlow Fluid “B” must beavailable on site to accommodate thisexpected contraction. Refer to the De-sign Criteria section for appropriateexpansion/contraction volumes.

ESFR-25/WilFlow Sprinklers:Specify: 165° F, Model ESFR-25/WilFlow Pendent Sprinkler factorytested for use with WilFlow Fluid “B”,P/N 58-441-1-165WF.

ESFR-25 Sprinkler Wrench:Specify: W-Type 1 Sprinkler Wrench,P/N 56-872-1-025.

Alarm Check Valve:Specify: (size), (FxF, FxG, or GxG)Model F200 Alarm Check Valve , P/N(specify).

4 Inch FxF . . . . . . . . . . . . . . . P/N 52-200-1-0136 Inch FxF . . . . . . . . . . . . . . . P/N 52-200-1-0158 Inch FxF . . . . . . . . . . . . . . . P/N 52-200-1-016

4 Inch FxG . . . . . . . . . . . . . . . P/N 52-200-1-4136 Inch FxG . . . . . . . . . . . . . . . P/N 52-200-1-6158 Inch FxG . . . . . . . . . . . . . . . P/N 52-200-1-816

4 Inch GxG. . . . . . . . . . . . . . . P/N 52-200-1-1136 Inch GxG. . . . . . . . . . . . . . . P/N 52-200-1-115

Freezer Trim:(Ref. Figure 4):Specify: Galvanized Freezer Trim for 4,6, or 8 Inch Model F200 Alarm CheckValve, P/N 52-201-2-049.

Maintenance Pump and Tank:Specify: Model PLPS300-4B Mainte-nance Pump and Tank,P/N 54025.

Combined Form Hydrometer Kit:Specify: Combined Form HydrometerKit including 500 ml Calibrated Gradu-ated Cylinder and Carrying Case,P/N 54026.

Di-electric Union:Specify: 1 inch FxF Brass x Steel Di-electric Union, P/N 54027.

Weights:The following are the nominal weights forthe valves and trim:

4 Inch (100 mm)Model F200 F x FAlarm Check Valve . . . . . . 62 lbs. (28,1 kg)



4 Inch (100 mm)Model F2001 F X GAlarm Check Valve . . . . . . 51 lbs. (23,1 kg)

6 Inch (150 mm)Model F2001 F x GAlarm Check Valve . . . . . . 78 lbs. (35,4 kg)

8 Inch (200 mm)Model F2001 F x GAlarm Check Valve . . . . . . 148 lbs. (67,1 kg)

4 Inch (100 mm)Model F20 G X GAlarm Check Valve . . . . . . 45 lbs. (20,4 kg)

6 Inch (150 mm)Model F20 G x GAlarm Check Valve . . . . . . 68 lbs. (30,9 kg)

Freezer Trim . . . . . . . . . . . . 24 lbs. (10,9 kg)260 GallonShipping ContainerOf WilFlow Fluid “B”. . . . . . 2759 lbs. (1250 kg)

Maintenance Pumpand Tank Unit . . . . . . . . . . 429 lbs. (195 kg)

of 16 TFP314

TYCO FIRE PRODUCTS, 451 North Cannon Avenue, Lansdale, Pennsylvania 19446

OBSOLETE

freezer storage system: suppression mode fire sprinkler

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