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PAGEξ/ξ10ξξ Doc.ξP/Nξ06β312
Rev.ξ11ξ/ξMarchξ2020
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4.3 FillξbyξPressureξ
IGβ55ξ(50%ξArgonξandξ50%ξNitrogenξMixture)ξ
TheξIGβ55ξinertξgasξmixtureξconsistsξnominallyξofξ50%ξargonξandξ50%ξnitrogen.ξTheξmixtureξspecificationξisξargonξ
50Β±5%ξnitrogenξ50Β±5%.ξξ
DetailedξbelowξareξstepsξnecessaryξtoξfillξtheξPROINERTξcontainerξwithξIGβ55ξbyξpressure:ξ
Connectξtoξtheξvalveξoutletξandξpullξ25"ξtoξ27"ξofξtheξvacuumξtoξremoveξresidualξatmosphereξandξmoisture.ξξ
Fillξtheξcontainerξviaξtheξvalveξinletξwithξargonξtoξtheξpressureξindicatedξinξtheξtableξbelowξforξtheξsystemξ
pressureξrequired.ξ
Topξoffξtheξcontainerξwithξnitrogenξtoξtheξfinalξfillξpressureξperξtheξtableξbelow.ξIfξnecessary,ξreferξtoξtheξ
pressureξvs.ξtemperatureξchartξforξIGβ55ξinξAppendixξA.2.ξ
Sizeξ(Liters)ξ ArgonξPressureξ@ξ59Β°Fξ(15Β°C)ξ
FinalξPressureξ@ξ59Β°Fξ(15Β°C)ξ
(TopξupξwithξNitrogen)ξ
80ξ 1,450ξtoξ1,670ξpsiξ(100ξtoξ111.5ξbar)ξ 2,900ξpsiξ(200ξbar)ξ
80ξ 2,045ξtoξ2,263ξpsiξ(141ξtoξ156ξbar)ξ 4,350ξpsiξ(300ξbar)ξ
ξ
NOTE:ξ Performξaξpreliminaryξleakξcheckξatξtheξcylinderξneckξwithξaξsoapξsolutionξ(SwageLokξSnoopξorξitsξ
equivalent)ξonceξitξhasξbeenξfilledξwithξargon.ξIfξaξleakξisξdetected,ξdiscontinueξfillingξtheξcylinder.ξ
Verifyξtheξcontainerξbyξensuringξtheξfinalξfillξpressureξisξasξdetailedξaboveξatξ59Β°Fξ(15Β°C).ξIfξrequired,ξreferξtoξ
theξpressureξvs.ξtemperatureξchartξforξIGβ55ξinξAppendixξA.2.ξ
Closeξtheξvalveξbyξunscrewingξtheξcentralξscrewξonξtheξfillingξadaptorξandξremovingξtheξtopξhalfξofξtheξ
adaptor.ξTheξdowelξonξtheξinternalξpieceξofξtheξfillingξadaptorξshouldξmoveξdownwardξduringξthisξoperation.ξξ
ProceedξwithξremovalξofξtheξbottomξhalfξofξtheξfillingξadaptorξbyξunscrewingξtheξtwoξM6ξcapξscrews.ξRemoveξ
thisξadaptorξfromξtheξvalveξandξcheckξthatξtheξspringξwasherξhasξdroppedξlowerξthanξitsξoriginalξdepth.ξ
Ventξtheξfillingξhoseξandξcheckξthatξthereξisξnoξflowξfromξtheξvalveξoutlet.ξ
Fitξtheξvalveξlockoutξassembly ξontoξtheξvalveξ(Figureξ4.3.1.β1)ξpriorξtoξremovingξtheξfillingξhose.ξ
Removeξtheξξfillingξhoseξandξscrewξtheξrecoilξcapξonξtoξtheξdischargeξoutlet.ξ
Removeξtheξvalveξlockoutξassemblyξfromξtheξvalveξafterξtheξrecoilξcapξhasξbeenξfitted.ξ
Proceedξtoξleakξcheckingξ(Sectionξ5).ξ
Checkξcontainerξpressureξ(Sectionξ6).ξ
ξOnceξtestingξisξcomplete,ξscrewξtheξ
shipping/safetyξcapξontoξtheξcylinder.ξ
ξ
ξ
ξ
ξ
ξ
ξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξξFigureξ4.3.1β1ξIGβ55ξContainerξwithξValveξLockoutξAssemblyξInstalledξ
ValveξLockoutξ