Doc.P/N06‐312
Rev.11/March2020
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AppendixB–PROINERTValveBestPractices
ThisappendixisintendedtoserveasabestpracticesguideforaddressingproblemsrelatedtothePROINERTValve.
B.1ReportingValveFailures
Aftereachfillsession,valvesfailingtoperformasintendedshouldbereportedbacktoFikeCorporation.APROINERT
ValveFailureReport(SeeAppendixB.4)shouldbefilledoutbythepersonperformingtheinitialfill/recharge
operation.Thereportshouldbeemailedtoproinertvalve@fike.com.
B.2AddressingValveNeckLeaks
Ifavalveisleakingfromtheneck,removethevalvefromthecylinderandattempttodothefollowing:
CleanvalvethreadsbyremovingtheremainderofTeflontapeandthreadsealant.
Makesureanyhangingburrsorbrassmaterialfromthethreadsisremoved.
Tapethe
valveandapplythreadsealantasindicatedinSection3.2.
Torquethevalveintoacylinder.
Gopasttheoriginalthreaddepthprovideditiswithinthemin/maxgaugelimits.
Fillthecylinderasperinstructionsprovidedinthismanual.
ReturnthevalvetoFikeCorporation
ifitleaksevenafterfollowingtheabovementionedprocedure.
B.3InspectingIncomingCylinders
AreceivinginspectionofincomingcylindersshouldbeperformedanddocumentedusingthefollowingsetofNGTplug
gauges(B.3.1):
L‐1Gauge
L‐9Gauge
Crest CheckGauge
Itisrecommendedthata randomsampleof13cylindersbeinspectedfromeachlotreceivedforNGTspecification
conformance.APROINERTCylinderInspectionReport(SeeAppendixB.5)shouldbefilledoutbytheperson
performingtheinspection.Thereportshouldbeemailedtoproinertvalve@fike.com.
B.3.1 NGTPlugGauges