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
Model 1800 PFM Series Regulator 03 Elster
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“
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
AssemblyPosition”C4.5“
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
AssemblyPosition”D1.5“
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
AssemblyPosition”D4.5“
1884PFMSeriesAssemblyPosition”A1.5“ AssemblyPosition”C1.5“AssemblyPosition”B4.5“
AssemblyPosition”C4.5“
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
1804/1884PFMSeriesAssemblyPositions1804PFMSeriesAssemblyPosition”A1.5“ AssemblyPosition”A4.5“
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
AssemblyPosition”B1.5“
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
VENT
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
D
A
B
C
OPSO Vent
Standard VentPosition
AssemblyPosition”B4.5“
Model 1800 PFM Series Regulator 04 Elster
Model 1800 PFM Series Regulator 05 Elster
1805/1885PFMSeriesAssemblyPositions1805PFMSeriesValveHeadPosition”A“ ValveHeadPosition”B“
ValveHeadPosition”C“ ValveHeadPosition”D“
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
VEN
T
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
MET
ER C
O.
AM
ERIC
AN
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
VEN
T
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
MET
ER C
O.
AM
ERIC
AN
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
VEN
T
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
MET
ER C
O.
AM
ERIC
AN
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
VEN
T
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
MET
ER C
O.
AM
ERIC
AN
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
Model 1800 PFM Series Regulator 06 Elster
1885PFMSeriesValveHeadPosition”A“ ValveHeadPosition”B“
ValveHeadPosition”C“ ValveHeadPosition”D“
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
VEN
T
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
MET
ER C
O.
AM
ERIC
AN
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VENT
METER CO.AMERICAN
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot Vent
VEN
T
VEN
T
MET
ER C
O.
AM
ERIC
AN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
VENTVENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
Standard VentPosition
1
2
3
4
Standard VentPosition
Pilot VentVE
NT
VENT
METER CO.AMERICAN
D
A
B
C
OPSO Vent
1
2
3
4
Standard VentPosition
Pilot Vent
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©2012byElster.Allrightsreserved.Information contained herein is subject to changewithoutnotice.Productspecifications maychange.ContactyourElsterrepresentative forthemostcurrentproductinformation. PrintedintheUnitedStates.
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