NATURAL GAS | HYDROGEN | PROPANE WWW.IMPCOTECHNOLOGIES.COM FUELINGCHANGE LOPER LNG OVER-PRESSURE REGULATOR POWERING PRODUCTIVITY THROUGHOUT THE WORLD LIQUID NATURAL GAS (LNG) Key Features • Ideal for use in on-road and off-road applications • Stainless steel components for continued operation at cryogenic temperatures: - SS diaphragm (bellows) retains full functionality at sub-zero levels - SS plunger body and all springs stay working at sub-zero levels • MAP (Manifold Absolute Pressure) reference fitting is built into the design • Retains steadier output than competitive models: - pressure balanced plunger design maintains outlet pressure vs. flow (droop) performance as inlet pressure varies • Designed for operation with fuel temperatures of -40°C to 120°C with excursions to -60°C • Flexibility for a range of applications with outlet pressure setting range from 3.8-9.0 bar g (55-130 psi g ) depending on model • Robust design validated through rigorous testing
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NATURAL GAS | HYDROGEN | PROPANEWWW.IMPCOTECHNOLOGIES.COM
FUELINGCHANGE
LOPER
LNG OVER-PRESSURE REGULATORPOWERING PRODUCTIVITY THROUGHOUT THE WORLD
LIQUID NATURAL GAS (LNG)
Key Features
• Idealforuseinon-roadandoff-roadapplications• Stainless steel components for continued
operationatcryogenictemperatures:- SS diaphragm (bellows) retains fullfunctionalityatsub-zerolevels
- SSplungerbodyandallspringsstayworkingatsub-zerolevels
• MAP (Manifold Absolute Pressure) referencefittingisbuiltintothedesign
• Retainssteadieroutputthancompetitivemodels:- pressurebalancedplungerdesignmaintainsoutletpressurevs.flow(droop)performanceasinletpressurevaries
• Designed foroperationwith fuel temperaturesof-40°Cto120°Cwithexcursionsto-60°C
• Flexibility for a range of applications withoutletpressuresettingrangefrom3.8-9.0barg(55-130psig)dependingonmodel
• Robustdesignvalidatedthroughrigoroustesting
993.9
351.4
18.70
40.01.57
2X8.3Ø .32 THRU
20.0.79
5.5Ø .22
6.4Ø .25
2X"-10" O-RING BOSS PORT
7/8-14 UNF THREADSPER SAE J1926
FLOW DIRECTION
973.80
1586.2
2X16.7.66
REFERENCE PRESSURE FITTINGBARB FOR 1/4"OR 6mm ID RUBBER HOSE
2X "-8" JIC PORTOR IN ALTERNATIVE2X "-10" JIC PORT FORHIGH FLOW VERSION
25.41.0 HEX
31.51.24 HEX
893.50
1505.9
NATURAL GAS | HYDROGEN | PROPANEWWW.IMPCOTECHNOLOGIES.COM
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SPECIFICATIONS
ISO9001:2008registeredISO14001:2004registered
LOPERGENERAL INFORMATION
MOUNTING Underhood,chassisorengineinstallationacceptableDESIGN Singlestagestainlesssteelbellowsstyleregulator
BODYMATERIAL AluminumdiecastingFUELTYPE NaturalGas
PERFORMANCEOPERATINGTEMPERATURERANGE -40°Cto120°C(-40°Fto248°F)
INLETPRESSURE Nominal:11barg(160psig)-Maximumworking:20barg(290psig)
OUTLETPRESSURE
Outletpressure:3.8-9barg(55-130psig)dependingonmodelStandardsetting:4.7bar(69psi)>MAPat5g/sN2flow
Lockup:<0.7bar(10psi)riseaboveoutletpressuresetpointDroop:<0.5bar(7psi)from5g/sto40g/sN2flow(-10JICportmodel)
Hysterisis:0.3bar(4psi)typicalDURABILITY 4.6millionflowcycle
CORROSION/HUMIDITY 144hourssaltspray@23°C-96hours@33to36°C
VIBRATION Sine15gfrom10Hzto2000Hz,8hxaxisShock50g
INTERNALLEAKAGE Controlledbylock-uppressurespecificationEXTERNALLEAKAGE <15cc/hr(<15cm3/hr)
FILTRATION 100micronsscreenintegratedintoinletfittingBOOSTREFERENCING Yes,1:1ratio
BURSTPRESSURE >2.5timesmaxworkingpressure:50barg(725psig)@23°C(73°F)PRESSURERELIEFVALVE None.Externalunitrequired.
MASS 1.4kg(3.2lbs)withoutfuelinletoroutletfittingsEXCESSIVETORQUE 150%ofratedinstallationtorquefor15minutes
APPROVALSCERTIFICATIONS ISO15500,ISO12614,R110
300027_REV
F
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