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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,complywiththerequirementsofthespecificationandOtherWitnessingrequiredpressuretests.RadiographicexaminationandotherNDEinaccordancewiththeapplicablereferen19、cesnotedabove