-设备制造质量检验规程（Control Valves）-.docx

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1、设备制造质量检验规程(ComrolVaIVeS)1、SGSRefNo.:32Rev.:0Page:lof8INSPECTI0NGUIDELINESCONTROLVALVESDate:28/04/04INSPECTIONGUIDELINESCONTROLVALVESOForApproval280404J.C.BrottonB.TremainB.TremainJune2022Rev.DescriptionDatePreparedCheckedApprovedDateSGSRefNo.:32Rev.:0Page:2of8INSPECTI0NGUIDELINESCONTROLVALVESDate:28

2、/04/04CO2、NTENTS1PRPOSE2SCOPE3PROCEDURE4DOCUMENTS5INSPECTIONPROCESS6SHIPPING7CONTROLVALVEDATAD0SSIER8INSPECTI0NCHECKLISTSGSRefNo.:32Rev.:0Page:3of8INSPECTI0NGUIDELINESCONTROLVALVESDate:28/04/041.OPURPOSEThisinstructioncoverstheinspection,testandverificationactivitiesrequiredtovalidatet3、hesupply,man

3、ufactureandtestofcontrolvalves.2.0SCOPEThisinstructioncoversallnecessarystagesintheproductionofacontrolvalvefromtheeaminationofcertificationfromprocurementsourcestothefinalinspection,preservationandpackingtodespatchtosite.Althoughthemethodologyincomp4ilingthisinstructionistosystematicallyprogressthr

4、oughtheconstructionofatypicalcontrolValve.ExperiencedJnspectorsmayinterprettheintentoftheinstructiontoaccommodatelocalornovelpracticesortoutilisetheinstructionforaone-off,oralternativedesignofcontrolvalvezthedesi5、gnhavingbeenapprovedbytheclient.AnySuchvariationsshouldbenotedontheinspectorsreport.3.

5、0PROCEDURE3.IGENERALThisinstructiontogetherwiththeassociatedchecksheetmaybeusedonanyorderorcontract.ltisintendedtoactasaguidetotheinspectorinthecourseoftheinspectionpro6、gramme.Anypartofthedocumentmaybeinvokedandthesectionstobeusedandthelevelofinspectionrequiredwillbespecifiedonthechecklist.AIItests

6、andinspectionswillbecarriedoutagainsttheapproveddrawingszpurchaseOrderspecificationszPurchasersorcompanystandardszandwithinthepra7、cticesandrulesofthecountrstateorprovinceandanygovernmentdecrees,laws,ordinanceorregulationasmayapply.lfanyconflictorcontradictionsshouldbeapparentinanyoftheabovethenthem

7、oreOnerousrequirementshallapplyunlessthepurchaserorclientdirectsotherwiseinwriting.Ther8、angeofcontrolvalvetypes,materials,sizesandpressureratingsincludedwithinstandardmanufacturerscataloguesislargeandinfinitelyvariedandexcludesthepossibilityofproducinganoverallinstruction,whichdefinespreciselytowha

8、textentinspectionisrequiredonanyspecificitemorpurcha9、seorder.TheinspectorwillfirstestablishwhethertheextentOfinspectionisstipulatedwithinthebodyofthePurchaseOrderdocumentationorProjectinstructions.3.2REFERENCEDOCUMENTSAppIicabIecodesandspecifications.Designcode(tobestatedoninspectionreport)Purchase

9、orderspecificationPu10、rchasersstandardsApproveddrawingsSGScompanyStandardsSGSRefNo.:32Rev.:0Page:4of8INSPECTI0NGUIDELINESCONTROLVALVESDate:28/04/044.0DOCUMENTSTOBEREC日VED/AVAILABLEATINSPECTIONPurchaseorderinspectionandTestPlansITPApproveddrawingsaImpactTestbHardnessTestcPositiveMaterialIdentificati

10、on5.4TESTING5.4.1BODYHYDRAULICTESTINGWitnessbodytestzhighpressureclosuretests,backseattestsasdetailedinapplicableprocedureandcodeSpecificationXaIibration19、 statusandcorrectworkingrangesofgauges.Aminimumof2qtypressuregaugeswillbeattachedtoitemundertestAdequateprovisionforventingofhighpointsanddraini

11、ngofthetestmediumwillbeprovidedTestpressureshallbeappliedasdirectedbyprocedureorcodeuntiltestlimitingpressure20、 isreached.Duringholdperiod,amethodicalcheckforleakswillbeconducted.Testpressureszmetalandwatertemperatureswillberecorded5.4.2SEATLEAKAGETESTWitnessSeatLeakageTestasdetailedinapplicablepro

12、cedureandcode5.4.3FNCTIONALANDPERFORMANCETESTSWitnessvalveopen&closeboth21、manuallyandeitherbypneumaticorelectricalactuatorIfspecifiedwitnesstimeofactuatoroperatingopentoclosepositionetcSGSRefNo.:32Rev.:0Page:6of8INSPECTIONGIDELINESCONTROLVALVESDate:28/04/045.4.4FINALINSPECTIONAllvalveswillbechecked

13、forcleanlinessanddryness.Checknozzle,22、OUtIetsJIangedorbuttWelded,saddle,bracketlocationsandorientationsagainstassemblydrawings.Checkoperationofvalveindicatorandcorrectfunctioning.AIIwitnessedpressureandoperational/functionaltestingreportstobeendorsedbyinspector5.5NAMEPLATEContentsofmarkingtobechec

14、kedin23 、accordance withapproveddrawingandspecificationsandstamped/markedinaccordancetocodeandclientsrequirements5.6PAINTINGCOATINGINSPECTIONSurfacepreparationforpaintingshallbecheckedforthefollowingpoints,accordingtospecification.Cleaningmethod(Blastorscrapingandwirebrushing24 、)PreparationgradesFr

15、eedomfromweldspatter,blow-holesandotherdefectsaPriortopaintingHumidityandsteeltemperaturestobecheckedbPaintmanufacturestypeandcolourtobecheckedagainstclientsrequirementscDryfilmthicknesstobecheckedaccordingtospecificationsurfacecondition25 、tobefreefrompin-holes,runs,damageandotherdiscontinuity.5.7S

16、PAREPARTS,LOOSEITEMSANDACCESSORIESSpareparts,looseitemsandaccessorieswillbecheckedvisuallyandfordimensionszmaterials,workmanshipandquantityaccordingtopurchaseorderspecificationandsupplylist.Markingand/orTag26、shallbecheckedforidentification.5.8REPORTANDRELEASE5.8.1REPORTINGAfinalreportsummarisingtheactivitiescarriedoutwillbeissuedinaccordancewiththecontractrequirementsandcirculatedwithinthetimelimitsspecifiedinthecontract.Ther