Model 1800 PFM Series Regulator - elster.com · 1884M PFM w/ USSA Standard regulator with external sense, overpressure and under pressure shut-off 1804 PFM Series (2-30 PSIG Outlet

Model 1800 PFM Series Regulator

Model 1800 PFM Series Regulator 02 Elster

3 Closing Springs For improved lock-up performance• Standard

• Lowdifferential

• Highdifferential(SeeClosingSpringchartonpage3)

Inletpressure

Loadingpressure

Outletpressure

Enhancements• Extendedoutletpressurerange to cover 7" WC to 30 PSIG

• Improvedeaseofpilotmaintenance

• 1804pilotcoverswiderange of 2-30 PSIG outlet

• 1805pilotoptimizesperformance between7"WCand2PSIGoutletrange

• 3closingspringoptionsprovidefor improved lock-up performance

Features• SamegreatPFMruggeddesign and proven reliability

• Expandedorificeofferingswiththe additionof1/2"and3/4"sizes

• Maintainsconstantoutletpressure within±1%absolutesetpressureover awiderangeofflowrates

• Idealforfixedfactormeasurement

• AvailablewithoptionalOPSO(over pressureshutoff),USSA(universal safetyshutoffassembly),andISO™ (internalsafetyorifice)

General Information• Maximum125PSIGinletpressure

• Operatingtemperaturerangeof -20°Fto150°F(-30°Cto65°C)

• Maximumflowratesofupto 80,000SCFH

• 1-1/2"or2"NPTconnectionor2"ANSI Class125lb.FlatFacedflanged connection

PilotOptions1804PFMSeries (2-30PSIGOutletRange)• 2pilotspringrangeoptions

– 2-30 PSIG

–2-10PSIG

1805PFMSeries (7"WCto2PSIGOutletRange)•2pilotspringrangeoptions

– 7"-30" WC

–1.0-2.4PSIG

1800 PFM Series Regulator

(1805PFMShown)

(Pilotfor1804PFM)

2 Pilot Options


ModelNumber Description

1804PFM Standard regulator

1804MPFM Standardregulatorwithexternalsense

1884PFM Standardregulatorwithoverpressureshut-off

1884MPFMStandardregulatorwithexternalsenseandoverpressureshut-off

1884PFMw/USSAStandardregulatorwithoverpressureandunderpressureshut-off

1884MPFMw/USSA

Standardregulatorwithexternalsense,overpressureandunder pressure shut-off

1804PFMSeries(2-30PSIGOutletPressure)

ModelNumber Description

1805PFM Standard regulator

1805MPFM Standardregulatorwithexternalsense

1885PFM Standardregulatorwithoverpressureshut-off

1885MPFMStandardregulatorwithexternalsenseandoverpressureshut-off

1885PFMw/USSAStandardregulatorwithoverpressureandunderpressureshut-off

1885MPFMw/USSA

Standardregulatorwithexternalsense,overpressureandunder pressure shut-off

1805PFMSeries(7"WC-2PSIGOutletPressure)

Applications

OrderingInformation1. ModelNumber

2. ConnectionSize:1-1/2"Threaded, 2"Threaded,2"Flanged

3. InletPressureRange:upto125PSIG

4. OutletSetPressure:7"WCto30PSIG

5. MainOrificeDiameter:1/4",3/8",1/2",5/8",3/4",7/8",1",1-1/4"

6. GasSpecificGravity

7. RegulatorAssemblyPosition:Seebelow

8. PilotFilterOption:Yes/No

9. OPSOSpringRange

10. Under pressure spring range (USSAonly)

MaximumDifferentialPressureAcrossOrifice(PSID)1804&1805PFMSeries

Closing Spring PartNumber Spring color Description 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4"

71424P028 Black/RedLowDifferential

25 15 5 5 3 NR NR NR

71424P025 Black Standard 125 125 125 125 80 55 40 35

71424P036 Solid SilverHighDifferential

NR NR NR NR 125 125 100 80

NR=Notrecommendedforoptimumlock-upperformance

AssemblyPosition”C1.5“

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OPSO Vent

Standard VentPosition

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AssemblyPosition”D1.5“

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AssemblyPosition”D4.5“

1884PFMSeriesAssemblyPosition”A1.5“ AssemblyPosition”C1.5“AssemblyPosition”B4.5“


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1804/1884PFMSeriesAssemblyPositions1804PFMSeriesAssemblyPosition”A1.5“ AssemblyPosition”A4.5“

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AssemblyPosition”B1.5“

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AssemblyPosition”B4.5“



1805/1885PFMSeriesAssemblyPositions1805PFMSeriesValveHeadPosition”A“ ValveHeadPosition”B“

ValveHeadPosition”C“ ValveHeadPosition”D“

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1885PFMSeriesValveHeadPosition”A“ ValveHeadPosition”B“

ValveHeadPosition”C“ ValveHeadPosition”D“

VEN

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Pilot Vent

T+14028738200(US) F+14028737616(US) T+19056344895(Canada)F+19056346705(Canada)

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©2012byElster.Allrightsreserved.Information contained herein is subject to changewithoutnotice.Productspecifications maychange.ContactyourElsterrepresentative forthemostcurrentproductinformation. PrintedintheUnitedStates.

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Documents

Model 1800 PFM Series Regulator - elster.com · 1884M PFM w/ USSA Standard regulator with external sense, overpressure and under pressure shut-off 1804 PFM Series (2-30 PSIG Outlet