旋塞閥說明書英文Plugvalve

Plugvalveoperatinginstructions(X43F-150Lb-2)PREPAREDBY:REVIEWEDBY:

APPROVEDBY:XINTAIVALVECO.,LTD.CATALOGUETOC\o"1-5"\h\zPurposeandperformaneespecifications 1?Usingstandard ..1Structuralcharacteristicsandoperationprinciple ..2Valvemainpartsmaterial ：：：3Storage,installation,use,inspection ：：3 6Troublesandtroubleshooting ..5 6Mattersneedingattention1、 PurposeandperformaneespecificationsUsagea、 Thisproductismainlyusedforpipelinegas,liquidandgranularmediumasanopeningandclosingdevice,connectedorcutoffthemediumflow,notsuitableforregulatingmediaflow.Withtheflowresistanceissmall,openandclosemoreeffortetc.b、 Scopeofapplication:chemical,petroleum,metallurgy,papermaking,pharmaceuticalandotherindustries.PerformancespecificationsNominaldiameter(NPS)2inPressurerating(Class)150LbTestpressureShelltest3.0MPasealtest2.2Lowpressuresealtest0.6Suitabletemperature-29~120oCApplicablemediumWater,oil,non-corrosivegasorliquid1.3Themaximumworkingpressureratingofthevalve(Pressure-temperaturereference)(GaugepressureMPa) TemperatureQC)-29~3850100150Ratings1.961.921.771.58Tabletemperaturereferstothestatelinethemediumtemperature,pressureiscontinuoustablewithoutimpactpressure1.4Thevalveflowcoefficient:Kv=120m.Thenewvalveopentorque:320N.m.2、 UsingstandardDesignandmanufactureaccordingtotheprovisionsofAPI6Dversiontwenty-thirdInspectionandtestinginaccordancewithAPI6Dtwenty-thirdEdition；FlangesizeaccordingtotheprovisionsofASMEB16.5:20032.4ThelengthofthestructureaccordingtotheprovisionsofAPI6Dversiontwenty-third;Valvepressure-temperaturereferenceaccordingtotheASMEB16.34:2004.3、 StructuralcharacteristicsandoperationprincipleStructureandmaindimensionsrefertosketch!；t.l1Thevalvebody2Bushing 3Plug4Intheflangegasket5Theadjustingshim 6Packing7Filler8Thesixhexagonnuts9Studbolt10Thevalvecover11Fillerplate12Insidethesixsocketheadcapscrew13wrench14Thesixhexagonheadbolts15Biggasket16Studbolt17Thehandlehead3.2Theplugvalveisdrivenbyrotatingthewrenchplugrotating90DEGCtoopenorclose.Theclosedvalvewrenchclockwiserotationof90degrees.ThevalveusingthevalveliningPTFEmaterial,goodsealingperformanee,theuseoftemperature<160Thevalveusesawedgetypeplug,rotationtorqueissmall,easytoseal,noteasilystuckduetotemperaturechange.Theadjustingshimstructure,auxiliaryvalvecoverpressingplugstoseal,andeasytorepair.ThevalvecoverisprovidedwithaVtypeofPTFEfiller,lubricantoilinstallationfashionintoalittle,goodsealingperformanee.Thequenchingandtempering,chromeplating,enhancehardness,improvesealingperformaneeandservicelife.4、ValvemainpartsmaterialPartnameThevalvebody,valvecoverPlugFillerThepadStudboltThesixhexagonnutsMaterialsusedASTMA351CF8ASTMA351CF8PTFEPTFEASTMA193B8ASTMA19485、Storage,Installation,Using,Maintenance5.1StorageValvesmustbestoredinadryandventilativeroom.Duringtheperiodofstorage,Thediscshouldbealwaysbeshutandfixedandtheinletandoutletshouldbeblocked.Duringtheperiodofstorage,theoutsideportionofthestemandthemachinedsurfaceshouldbecoveredbyaneasilycleanedantirust.dThevalvestoredforalongtimeshouldbeinspectedandcleanedatanexpectedtime.Atthesametime,theantirustshouldbere-brushed.2InstallationThevalvecanbeinstalledfreely,Usualusedinhorizontalpipeline,andcanalsousedinverticalorbevelpipeline,butitshouldbeconvenienttomaintenance,inspectionandoperation.Beforeinstallation,operatorsmustreviewwhetherthecontentsonthemarkingandnameplateconformwiththepracticalrequirements.Beforeinstallation,operatorsmustinspecttheinside,removethediscfixset,andtrytoturnonthedisctocheckthesealface,andclearit.Installationthisvalve,mustbenotetheflowwayofthemedium,andmustkeepsamewayofthemediumandthearrowhead,otherwisecanstopthenaturalwayofmedium.5.3UsingThepracticalconditionintendingtousevalvesmustconformwiththerequirementsspecifiedonnameplateandintheoperationinstruction.Thevalveonlyworksforgettingorshuttingoffmedium.Mustn'ttakeitastheregulationvalve.Whenshuttingthevalve,itwillhavewaterhammerinthepipeline,badlywilldamagedthevalve,sotheusershouldinspectontime,iffindsomeproblemrepairintime.5.4Inspection1.Duringtheperiodofusingvalves,Thefollowingprojectsmustbeinspectedatanexpectedtime.Onceanynoncomplianeeisfound.Pleasecorrectitrightnow.WhetherfastenersbecomelesscrowdedornotWhetherpackingiswornoutandgasketsaremangledornot.(inspectionwithoutwork)Whetherthedisccanturnoneasily,andwhetherhavetheproblemofobstruct.Whetherthewallthicknessofvalvesbecomesthindistinctlyforcorrosionorerosionornot.Ifthewallthicknessislessthanthenetvaluationonlysatisfyingtherequirementsoftensilestrengthorthereexistsavisuallyleakage,thevalvemustbescraped.Aftervalvesareinspectedandassembled,theyaretestedperresponsiblespecificationsandtherecordsmustbedocumentedtorefertolater.6FaultsandEliminationFaultsReasonsEliminatingwaysPackingleakageThepackingglandisnot.InadequatepackingringPackingdamagefailureI.ScrewdownthenutToincreasethenumberofturnsReplacementofpackingThevalvecoverandvalvebodyjunctionleakageBoltfasteningunevennessFlangesealingsurfacedamageBreakdownorfailureofgasketTightentheboltsevenlyTotrimReplacethegasket

ThesealingsurfaceleakageThesealingsurfacecontaminantsattachedThesealingsurfaceisdamaged3.SealingsurfaceofIong-termuseofwear4.SealleakageRemovedirtThenewprocessingandfinishingThebodybackliningPTFEFlangenuttoadjustshimdown,ortightenthepackingpressnutsdown,sothattheplugdownpressinglinerseal.BushingandvalveleakageBushingandvalvesealoilistoosmallReplacethebushingWrenchrotationisnotflexibleorplugcannotopenandcloseThepackingtootightPackingglanddeviceskew3.Stopperrodbending4.ThesealingsurfacecontaminantsattachedUnscrewthenutproperpackingglandAdjustthepackingglandTherodofcorrectionRemovedirt7Note:7.1ThevalvematerialselectionandthepossibilityofdeteriorationinuseandnecessaryperiodicinspectionbytheuserisresponsibleforconsideringThevalvedesignonlyconsiderthegeneralcase,iftherearespecialrequirementsshallbespecifiedinthecontract.Thevalvedesignonlyconsidercertaincorrosion,thereisaseriousorspecialcorrosionoccasion,thevalvedoesnotapply.Thevalveoperatingtemperaturerangeshallnotexceedtheprovisionsofarticle1.2inthetable,morethan(includinginstantaneous)therangeofconsequencesistheuser'sresponsibility.Thecorrespondingtemperaturevalvethemaximumworkingpressureshallnotexceedtheprovisionsofarticle1.3inthetable,morethan(includinginstantaneous)pressureratedthescopeoruseandtemperat