-设备制造质量检验规程（Safety Relief Valves）-.docx

,设备制造质量检验规程(SafetyReliefValves)l,1、SGSRefNo.:39Rev.:0Page:lof8INSPECTIONGUIDELINESSAFETYRELIEFVALVESDate:07/04/04INSPECTIONGUIDELINESSAFETYRELIEFVALVESOForApproval070404J.C.BrottonB.TremainBJremainJune2022Rev.DescriptionDatePreparedCheckedApprovedDateSGSRefNo.:39Rev.:0Page:2of8INSPECTI0NGUIDELINESSAFETYRELIEFVAL2、VESDate:07/04/04CONTENTSlPURPOSE2SCOPE3PROCEDURE4DOCUMENTS5INSPECTI0NPROCESS6SHIPPING7VALVEDATADossiersinspectionchecklistsgsRefNo.：39Rev.：OPage：3Of8INSPECTI0NGUIDELINESSAFETYRELIEFVALVESDate:07/04/041.0PURPOSEThisinstructioncoverstheinspection,testandverificationactivitiesrequir3、edtovalidatethesupply,manufactureandtestofsafetyreliefvalves2.OSCOPEThisinstructioncoversallnecessarystagesintheproductionofsafetyreliefvalvefromtheexaminationofcertificationfromprocurementsourcestothefinalinspection,preservationandpackingtodespatchtosite.Althoug4、hthemethodologyincompilingthisinstructionistosystematicallyprogressthroughtheconstructionofatypicalsafetyreliefValve.ExperiencedJnspectorsmayinterprettheintentoftheinstructiontoaccommodatelocalornovelpracticesortoutilisetheinstructionforaone-off,oralternative5、designofvalve,thedesignhavingbeenapprovedbytheclient.AnySuchvariationsshouldbenotedontheinspectorsreport.3.0PROCEDURE3.IGENERALThisinstructiontogetherwiththeassociatedchecksheetmaybeusedonanyorderorcontract.ltisintendedtoactasaguidetotheinspectorinthecour6、SeOftheinspectionprogramme.Anypartofthedocumentmaybeinvokedandthesectionstobeusedandthelevelofinspectionrequiredwillbespecifiedonthechecklist.AIItestsandinspectionswillbecarriedoutagainsttheapproveddrawings,purchaseorderspecifications,purchasersorcompanysta7、ndards,andwithinthepracticesandrulesofthecountry,stateorprovinceandanygovernmentdecrees,laws,ordinanceorregulationasmayapply.lfanyconflictorcontradictionsshouldbeapparentinanyoftheabovethenthemoreOnerousrequirementshallapplyunlessthepurchaserorclientdirectso8、 therwiseinwriting.Therangeofvalvetypes,materials,sizesandpressureratingsincludedwithinstandardmanufacturerscataloguesislargeandinfinitelyvariedandexcludesthepossibilityofproducinganoverallinstruction,whichdefinespreciselytowhatextentinspectionisrequiredonanyspecif9、 icitemorpurchaseorder.TheinspectorwillfirstestablishwhethertheextentOfinspectionisstipulatedwithinthebodyofthePurchaseOrderdocumentationorProjectinstructions.3.2REFERENCEDOCUMENTSApplicablecodesandSpecifications-Designcode(tobestatedoninspectionreport)Purchaseorder10、specificationPurchasersstandardsApproveddrawingsSGScompanystandards4.0DOCUMENTSTOBEREC日VED/AVAILABLEATINSPECTIONPurchaseorderinspectionandTestPlansITPDatasheetSGSRefNo.:39Rev.:0Page:4of8INSPECTI0NGuidelinessafetyRELIEFVALVESDate:07/04/04ApproveddrawingsMaterialtestcer11、tificatesWeldproceduresandProcedureQualificationRecordsListofqualifiedweldersorweldingOperatorsWeIdersqualificationsCalibrationcertificatesfortestandinspectionequipmentNDEprocedures,(appropriatetomaterialofconstruction)ListofqualifiedNDEoperators/inspectorsNDE/inspectorsq12 、UaIificationsHeattreatmentprocedureifapplicableHydrostatictestingprocedurezwaterqualitydocumentpreparationandpaintingprocedurePreservation,packingandshippingprocedureSpares/operatingmanualsSupplylist(packinglist)5.0INSPECTIONPROCESS5.1MATERIAL5.1.1REVIEWOFCERTlFlCATIONOriginaIor13 、authenticatedcopiesofmillcertificatesshallbeavailableatmanufacturerspremises.Theseshouldbeexaminedforcompliancewithspecificationsandwhereappropriatetodrawings.Thereviewwillincludecheckson:MakersnameandlocationCertificateNoMaterialSpecificationHeatorcastNoMakers14、NoorPlateNoChemicalcompositionMechanicalpropertiesHeattreatedconditionNDEappliedandresultsSurfacefinishStructuralobservations,notabledefects.Thiscoversbodystemmaterialzshellmaterial,trimmaterialszglandmaterials,anti-frictionmaterialszseatstemmaterials,operatingcomponent15、s,supportmaterial,wellendzflangesandanyotherspecifiedcomponent.5.1.2VISUALANDDIMENSIONALVERIFICATIONMateriaIidentificationoncertificatesagainstproductmarkings.Materialsuppliedagainstdrawing,materiallistandspecificationasappropriate.Visualanddimensionalcompliancewithspecif16、ication.5.1.3ADDITIONALSPECIALRequirementssgsRefNo.:39Rev.:0Page:5of8INSPECTIONGIDELINESSAFETYRELIEFVALVESDate:07/04/04Mayapplyonspecialcomponentsze.g.thickcomponents,dissimilarmaterialzalloysteelsornon-ferrousalloys.Checktoensurecontract/specificationrequirementshavebeenme17、t.WitnessNDEexaminationsasnecessary.5.2VISUALANDDIMENSIONALINSPECTIONInspectionshallinclude,butnotnecessarilybelimitedto:Toverifythatthemodelandvariousfeaturesandcomponentscomplywiththepurchaseorderdescriptionandvalvespecificationanddrawingsasapplicable.Toverifyt18>hatthedimensionsofValvesJIangesJIangedrilling,bore,stem,threading,wallthicknessandanyotherdimensions,asapplicable,complywiththerequirementsofthespecificationandOtherWitnessingrequiredpressuretests.RadiographicexaminationandotherNDEinaccordancewiththeapplicablereferen19、cesnotedabove.5.3TESTING5.3.1BODYHYDRAULICTESTINGWitnessBodytestszhighpressureclosuretestszbackseattestsasdetailedinapplicableprocedureandcodespecification.Calibrationstatusandcorrectworkingrangesofgauges.Aminimumof2pressuregaugeswillbeattachedtoitemundertest.Adequ20、ateprovisionforventingofhighpointsanddrainingofthetestmediumwillbeprovided.Testpressureshallbeappliedasdirectedbyprocedureorcodeuntiltestlimitingpressureisreached.Duringholdperiod,amethodicalcheckforIeakswillbeconducted.Testpressures,metalandwatertemperatures21、willberecorded.Waterqualitywillbeasspecified.5.3.2.SEATLEAKAGETESTWitnessSeatLeakageTestasdetailedinapplicableprocedureandcodespecification5.3.3POPPING/SETPRESSURETESTWitnessPopping/SetPressureTestasdetailedinapplicableprocedureandcodespecification5.3.4FINALINSP22、EctionaiivalvesWiIlbecheckedforcleanlinessanddryness.ChecknozzlezoutletszflangedorbuttWelded,saddle,bracketlocationsandorientationsagainstassemblydrawings.Checkoperationofvalveindicatorandcorrectfunctioning.AIIwitnessedpressuretestingreportstobeendorsedbyinspectorSGS23、RefNo.:39Rev.:0Page:6of8INSPECTIONGIDELINESSAFETYRELIEFVALVESDate:07/04/045.4NAMEPLATESContentstobecheckedinaccordancewiththeapproveddrawingsandspecificationsandstamped/markedinaccordancetocodeandclientsrequirements.5.5PAINTINGCOATINGINSPECTIONSurfacepreparationforPa24、intingshallbecheckedforthefollowingpoints,accordingtospecification.Cleaningmethod(Blastorscrapingandwirebrushing)PreparationgradesFreedomfromweldspatter,blow-holesandotherdefectsaPriortopaintingHumidityandsteeltemperaturestobecheckedbPaintmanufacturestypeandco25、lourtobecheckedagainstclientsrequirementscDryfilmthicknesstobecheckedaccordingtospecificationsurfaceconditiontobefreefrompin-holeszrunszdamageandotherdiscontinuity.5.6SPAREPARTS,LOOSEITEMSANDACCESSORIESSpareparts,looseitemsandaccessorieswillbecheckedvisuallyand26、fordimensions,materials,workmanshipandquantityaccordingtopurchaseorderspecificationandsupplylist.Markingand/orTagshallbecheckedforidentification.5.7REPORTANDRELEASE5.7.1REPORTINGAfinalreportsummarisingtheactivitiescarriedoutwillbeissuedinaccordancewiththecontractre27、quirementsandcirculatedwithinthetimelimitsspecifiedinthecontract.Thereportwillbeinaformatapprovedbytheclientandmustclearlyindicatethefinalacceptanceorrejectionofthevalves.5.7.2RELEASENOTEWhenrequiredbythecontractareleasedocumentwillbeissuedtothemanufacture28、rwhenthevalveshavebeenfinallyaccepted.6.0SHIPPING6.1PREPARATIONANDPACKINGThefollowingpointsshallbeChecked.CleanlinessanddrynessofcomponentsRustpreventionforallmachinedsurfacesProtectionforcoverforallopeningandprotrudingpartsPackingstyleandsuitablyforoverseastra29、nsportationShippingmarksandothermarkingsSGSRefNo.:39Rev.:0Page:7of8INSPECTIONGuidelinessafetyreliefVALVESDate:07/04/047.0valvedataDOSSIER7.1.MANUFACTURINGDOCUMENTATIONPACKAGEThefollowingfinaldocumentsshallberevisedandsignedoffifrequired.ManufacturersdatareportsMaterial30、certificates.Heattreatmentrecords(lfapplicableNDErecordsHydrostatic/PneumatictestrecordPopping/settestrecordHardnesstestrecordMarkingsPackingIistSparepartsSGSRefNo.:39Rev.:0Page:8of8INSPECTIONGuidelinessafetyreliefVALVESDate:07/04/048.0inspectioncheckLISTINSPECTIONCHECKLIST31、(I)VISUALINSPECTION/WITNESSINGBYBUYERREPRESENTATIVE(2)CERTIFICATESRECORDSTOBECHECKEDBYBUYERREPRESENTATIVE(3)CERTIFICATESDATATOBEPROVIDEDBYVENDOR/SUPPLIER/MANUFACTURERPre-Fabrication/ProductionRequirementsSpecificationDetails/NotesPurchaseOrderRequirementslnspectionSTestPlan(ITP32、)ApprovedDrawingsVaIveTestingProceduresWeIdProceduresSpecification(WPS)ProcedureQualificationRecords(PQR)WeIderQualificationRecordsNDTPersonnelRecordsandProceduresNACERequirements(Wet&SourGas)ln-ProcessInspection&TestingRequirementsMateriaITestCertificatesSIdentificationNDERepor33、tsHardnessTestingofWettedPartsPopping/SetPressureTestSeatLeakageTestHydrostatic/PneumaticTestsNDEReportsVisual&DimensionalExaminationNACERequirementsFinaIAssembIyFinaIInspection&TestingRequirementsVisual&DimensionalCheckNamePlate&ldentificationMarkingPainting/CoatingInspectionSpareParts&ToolsShippingDocumentationPackageAdditionalZSuppIementaryRequirementsPreparation&Packing