1、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:2of8INSPECTI0NGUIDELINESSA
2、FETYRELIEFVAL2、VESDate:07/04/04CONTENTSlPURPOSE2SCOPE3PROCEDURE4DOCUMENTS5INSPECTI0NPROCESS6SHIPPING7VALVEDATADossiersinspectionchecklistsgsRefNo.：39Rev.：OPage：3Of8INSPECTI0NGUIDELINESSAFETYRELIEFVALVESDate:07/04/041.0PURPOSEThisinstructioncoverstheinspection,testandverificationactivitiesrequir3、edt
3、ovalidatethesupply,manufactureandtestofsafetyreliefvalves2.OSCOPEThisinstructioncoversallnecessarystagesintheproductionofsafetyreliefvalvefromtheexaminationofcertificationfromprocurementsourcestothefinalinspection,preservationandpackingtodespatchtosite.Althoug4、hthemethodologyincompilingthisinstruct
4、ionistosystematicallyprogressthroughtheconstructionofatypicalsafetyreliefValve.ExperiencedJnspectorsmayinterprettheintentoftheinstructiontoaccommodatelocalornovelpracticesortoutilisetheinstructionforaone-off,oralternative5、designofvalve,thedesignhavingbeenapprovedbytheclient.AnySuchvariationsshouldb
5、enotedontheinspectorsreport.3.0PROCEDURE3.IGENERALThisinstructiontogetherwiththeassociatedchecksheetmaybeusedonanyorderorcontract.ltisintendedtoactasaguidetotheinspectorinthecour6、SeOftheinspectionprogramme.Anypartofthedocumentmaybeinvokedandthesectionstobeusedandthelevelofinspectionrequiredwillbesp
6、ecifiedonthechecklist.AIItestsandinspectionswillbecarriedoutagainsttheapproveddrawings,purchaseorderspecifications,purchasersorcompanysta7、ndards,andwithinthepracticesandrulesofthecountry,stateorprovinceandanygovernmentdecrees,laws,ordinanceorregulationasmayapply.lfanyconflictorcontradictionsshouldb
7、eapparentinanyoftheabovethenthemoreOnerousrequirementshallapplyunlessthepurchaserorclientdirectso8、 therwiseinwriting.Therangeofvalvetypes,materials,sizesandpressureratingsincludedwithinstandardmanufacturerscataloguesislargeandinfinitelyvariedandexcludesthepossibilityofproducinganoverallinstruction,
8、whichdefinespreciselytowhatextentinspectionisrequiredonanyspecif9、 icitemorpurchaseorder.TheinspectorwillfirstestablishwhethertheextentOfinspectionisstipulatedwithinthebodyofthePurchaseOrderdocumentationorProjectinstructions.3.2REFERENCEDOCUMENTSApplicablecodesandSpecifications-Designcode(tobestated
9、oninspectionreport)Purchaseorder10、specificationPurchasersstandardsApproveddrawingsSGScompanystandards4.0DOCUMENTSTOBEREC日VED/AVAILABLEATINSPECTIONPurchaseorderinspectionandTestPlansITPDatasheetSGSRefNo.:39Rev.:0Page:4of8INSPECTI0NGuidelinessafetyRELIEFVALVESDate:07/04/04ApproveddrawingsMaterialtest
10、cer11、tificatesWeldproceduresandProcedureQualificationRecordsListofqualifiedweldersorweldingOperatorsWeIdersqualificationsCalibrationcertificatesfortestandinspectionequipmentNDEprocedures,(appropriatetomaterialofconstruction)ListofqualifiedNDEoperators/inspectorsNDE/inspectorsq12 、UaIificationsHeatt
11、reatmentprocedureifapplicableHydrostatictestingprocedurezwaterqualitydocumentpreparationandpaintingprocedurePreservation,packingandshippingprocedureSpares/operatingmanualsSupplylist(packinglist)5.0INSPECTIONPROCESS5.1MATERIAL5.1.1REVIEWOFCERTlFlCATIONOriginaIor13 、authenticatedcopiesofmillcertificat
12、esshallbeavailableatmanufacturerspremises.Theseshouldbeexaminedforcompliancewithspecificationsandwhereappropriatetodrawings.Thereviewwillincludecheckson:MakersnameandlocationCertificateNoMaterialSpecificationHeatorcastNoMakers14、NoorPlateNoChemicalcompositionMechanicalpropertiesHeattreatedconditionN
13、DEappliedandresultsSurfacefinishStructuralobservations,notabledefects.Thiscoversbodystemmaterialzshellmaterial,trimmaterialszglandmaterials,anti-frictionmaterialszseatstemmaterials,operatingcomponent15、s,supportmaterial,wellendzflangesandanyotherspecifiedcomponent.5.1.2VISUALANDDIMENSIONALVERIFICATI
14、ONMateriaIidentificationoncertificatesagainstproductmarkings.Materialsuppliedagainstdrawing,materiallistandspecificationasappropriate.Visualanddimensionalcompliancewithspecif16、ication.5.1.3ADDITIONALSPECIALRequirementssgsRefNo.:39Rev.:0Page:5of8INSPECTIONGIDELINESSAFETYRELIEFVALVESDate:07/04/04Maya
15、pplyonspecialcomponentsze.g.thickcomponents,dissimilarmaterialzalloysteelsornon-ferrousalloys.Checktoensurecontract/specificationrequirementshavebeenme17、t.WitnessNDEexaminationsasnecessary.5.2VISUALANDDIMENSIONALINSPECTIONInspectionshallinclude,butnotnecessarilybelimitedto:Toverifythatthemodelandva
16、riousfeaturesandcomponentscomplywiththepurchaseorderdescriptionandvalvespecificationanddrawingsasapplicable.Toverifyt18hatthedimensionsofValvesJIangesJIangedrilling,bore,stem,threading,wallthicknessandanyotherdimensions,asapplicable,complywiththerequirementsofthespecificationandOtherWitnessingrequir
17、edpressuretests.RadiographicexaminationandotherNDEinaccordancewiththeapplicablereferen19、cesnotedabove.5.3TESTING5.3.1BODYHYDRAULICTESTINGWitnessBodytestszhighpressureclosuretestszbackseattestsasdetailedinapplicableprocedureandcodespecification.Calibrationstatusandcorrectworkingrangesofgauges.Aminim
18、umof2pressuregaugeswillbeattachedtoitemundertest.Adequ20、ateprovisionforventingofhighpointsanddrainingofthetestmediumwillbeprovided.Testpressureshallbeappliedasdirectedbyprocedureorcodeuntiltestlimitingpressureisreached.Duringholdperiod,amethodicalcheckforIeakswillbeconducted.Testpressures,metalandw
19、atertemperatures21、willberecorded.Waterqualitywillbeasspecified.5.3.2.SEATLEAKAGETESTWitnessSeatLeakageTestasdetailedinapplicableprocedureandcodespecification5.3.3POPPING/SETPRESSURETESTWitnessPopping/SetPressureTestasdetailedinapplicableprocedureandcodespecification5.3.4FINALINSP22、EctionaiivalvesW
20、iIlbecheckedforcleanlinessanddryness.ChecknozzlezoutletszflangedorbuttWelded,saddle,bracketlocationsandorientationsagainstassemblydrawings.Checkoperationofvalveindicatorandcorrectfunctioning.AIIwitnessedpressuretestingreportstobeendorsedbyinspectorSGS23、RefNo.:39Rev.:0Page:6of8INSPECTIONGIDELINESSAF
21、ETYRELIEFVALVESDate:07/04/045.4NAMEPLATESContentstobecheckedinaccordancewiththeapproveddrawingsandspecificationsandstamped/markedinaccordancetocodeandclientsrequirements.5.5PAINTINGCOATINGINSPECTIONSurfacepreparationforPa24、intingshallbecheckedforthefollowingpoints,accordingtospecification.Cleaningm
22、ethod(Blastorscrapingandwirebrushing)PreparationgradesFreedomfromweldspatter,blow-holesandotherdefectsaPriortopaintingHumidityandsteeltemperaturestobecheckedbPaintmanufacturestypeandco25、lourtobecheckedagainstclientsrequirementscDryfilmthicknesstobecheckedaccordingtospecificationsurfaceconditiontobe
23、freefrompin-holeszrunszdamageandotherdiscontinuity.5.6SPAREPARTS,LOOSEITEMSANDACCESSORIESSpareparts,looseitemsandaccessorieswillbecheckedvisuallyand26、fordimensions,materials,workmanshipandquantityaccordingtopurchaseorderspecificationandsupplylist.Markingand/orTagshallbecheckedforidentification.5.7R
24、EPORTANDRELEASE5.7.1REPORTINGAfinalreportsummarisingtheactivitiescarriedoutwillbeissuedinaccordancewiththecontractre27、quirementsandcirculatedwithinthetimelimitsspecifiedinthecontract.Thereportwillbeinaformatapprovedbytheclientandmustclearlyindicatethefinalacceptanceorrejectionofthevalves.5.7.2RELEA
25、SENOTEWhenrequiredbythecontractareleasedocumentwillbeissuedtothemanufacture28、rwhenthevalveshavebeenfinallyaccepted.6.0SHIPPING6.1PREPARATIONANDPACKINGThefollowingpointsshallbeChecked.CleanlinessanddrynessofcomponentsRustpreventionforallmachinedsurfacesProtectionforcoverforallopeningandprotrudingpar
26、tsPackingstyleandsuitablyforoverseastra29、nsportationShippingmarksandothermarkingsSGSRefNo.:39Rev.:0Page:7of8INSPECTIONGuidelinessafetyreliefVALVESDate:07/04/047.0valvedataDOSSIER7.1.MANUFACTURINGDOCUMENTATIONPACKAGEThefollowingfinaldocumentsshallberevisedandsignedoffifrequired.Manufacturersdatarepo
27、rtsMaterial30、certificates.Heattreatmentrecords(lfapplicableNDErecordsHydrostatic/PneumatictestrecordPopping/settestrecordHardnesstestrecordMarkingsPackingIistSparepartsSGSRefNo.:39Rev.:0Page:8of8INSPECTIONGuidelinessafetyreliefVALVESDate:07/04/048.0inspectioncheckLISTINSPECTIONCHECKLIST31、(I)VISUAL
28、INSPECTION/WITNESSINGBYBUYERREPRESENTATIVE(2)CERTIFICATESRECORDSTOBECHECKEDBYBUYERREPRESENTATIVE(3)CERTIFICATESDATATOBEPROVIDEDBYVENDOR/SUPPLIER/MANUFACTURERPre-Fabrication/ProductionRequirementsSpecificationDetails/NotesPurchaseOrderRequirementslnspectionSTestPlan(ITP32、)ApprovedDrawingsVaIveTestin
29、gProceduresWeIdProceduresSpecification(WPS)ProcedureQualificationRecords(PQR)WeIderQualificationRecordsNDTPersonnelRecordsandProceduresNACERequirements(Wet&SourGas)ln-ProcessInspection&TestingRequirementsMateriaITestCertificatesSIdentificationNDERepor33、tsHardnessTestingofWettedPartsPopping/SetPress
30、ureTestSeatLeakageTestHydrostatic/PneumaticTestsNDEReportsVisual&DimensionalExaminationNACERequirementsFinaIAssembIyFinaIInspection&TestingRequirementsVisual&DimensionalCheckNamePlate&ldentificationMarkingPainting/CoatingInspectionSpareParts&ToolsShippingDocumentationPackageAdditionalZSuppIementaryRequirementsPreparation&Packing
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