-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