BS51531974通用铸铁止回阀

BRITISHSTANDARDCONFIRMEDNOVEMBER1991BS5153:1974IncorporatingAmendmentNos.1,2and3SpecificationforCastironcheckvalvesforgeneralpurposesUDC621.646.248:669.13LicensedCopy:Jacobsuser,JacobsEngineering,TueMar2708:46:34GMT+00:002007,UncontrolledCopy,(c)BSIBS5153:1974ThisBritishStandard,havingbeenapprovedbytheMechanicalEngineeringIndustryStandardsCommittee,waspublishedundertheauthorityoftheExecutiveBoardon30September1974©BSI05-1999Firstpublished,asBS4090,December1966Firstrevision,asBS5153,September1974ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceMEE/81Draftforcomment72/34/38DCISBN0580083497Co-operatingorganizationsTheMechanicalEngineeringIndustryStandardsCommittee,underwhosesupervisionthisBritishStandardwasprepared,consistsofrepresentativesfromthefollowingGovernmentdepartmentsandprofessionalandindustrialorganizations:AssociatedOfficesTechnicalCommittee*DepartmentofIndustry—NationalAssociationofConsultingEngineersEngineeringLaboratoryAssociationofHydraulicEquipmentDepartmentofTradeManufacturersLtd.ElectricitySupplyIndustryinEnglandandAssociationofMiningElectricalandWales*MechanicalEngineersEngineeringEquipmentUsers’Association*BritishCompressedAirSociety*FederationofManufacturersofConstructionBritishElectricalandAlliedManufacturers’EquipmentandCranesAssociationInstitutionofGasEngineers*BritishGasCorporation*InstitutionofHeatingandVentilatingBritishGearManufacturers’AssociationEngineers*BritishInternalCombustionEngineInstitutionofMechanicalEngineers*Manufacturers’AssociationInstitutionofPlantEngineersBritishMechanicalEngineeringInstitutionofProductionEngineers*ConfederationLondonTransportExecutiveBritishPumpManufacturers’AssociationMachineToolTradesAssociationBritishSteelCorporationMinistryofDefence*BritishSteelIndustry*MinistryofDefence,ArmyDepartmentCrownAgentsforOverseaGovernmentsandNationalCoalBoardAdministrationsProcessPlantAssociationDepartmentofEmployment(HMFactoryRailwayIndustryAssociationofInspectorate)*GreatBritainDepartmentoftheEnvironment*RoyalInstituteofBritishArchitectsDepartmentofIndustry—MechanicalTelecommunicationEngineeringandEngineeringManufacturingAssociationTheorganizationsmarkedwithanasteriskintheabovelist,togetherwiththefollowing,weredirectlyrepresentedonthecommitteeentrustedwiththepreparationofthisBritishStandard:AssociationofBronzeandBrassFoundersInstituteofMarineEngineersBritishChemicalEngineeringContractors’InstituteofQualityAssuranceAssociationInstitutionofChemicalEngineersBritishIndustrialMeasuringandControlInstitutionofCivilEngineersApparatusManufacturers’AssociationInstitutionofMunicipalEngineersBritishShipResearchAssociationInstitutionofWaterEngineersBritishValveManufacturers’AssociationMetropolitanWaterBoardLtd.NationalBrassfoundryAssociationCBMPEOilCompanies’MaterialsAssociationChemicalIndustriesAssociationLtd.SocietyofBritishGasIndustriesGreaterLondonCouncilWaterCompanies’AssociationInstituteofBritishFoundrymenAmendmentsissuedsincepublicationAmd.No.DateofissueComments2319August19973927June19826067July1989IndicatedbyasidelineinthemarginLicensedCopy:Jacobsuser,JacobsEngineering,TueMar2708:46:34GMT+00:002007,UncontrolledCopy,(c)BSIBS5153:1974©BSI05-1999iContentsPageCo-operatingorganizationsInsidefrontcoverForewordiiiSection1.General1Scope12References13Terminologyanddefinitions14Types15Nominalsizes16Nominalpressure27Pressure/temperatureratings2Section2.Bodyends8Flangedbodyends29Screwedbodyends3Section3.Designandmanufacture10Bodies411Bodytappings512Bodytocoverconnection513Bolting514Seats515Disks5Section4.Materials16Choiceofmaterials517Trim5Section5.Testingandinspection18Productionpressuretesting819Testcertificate820Inspection821Witnessingoftests822Certificateofconformity8Sectionsix.Preparationfordespatch23Aftertesting824Diskposition825Bodyends8Section7.Marking26General827Bodymarkings928Identificationplatemarkings929Bodyoridentificationplatemarkings930Materialsymbols931Additionalmarkings932Omissionofmarkings10Section8.ValvesforuseinANSIflangedpipingsystems33Requirements10Section9.Enquiryororderinformation34Informationtobesupplied10AppendixACastironcheckvalvesforgeneralpurposeswithANSIClass125flanges11LicensedCopy:Jacobsuser,JacobsEngineering,TueMar2708:46:34GMT+00:002007,UncontrolledCopy,(c)BSIBS5153:1974ii©BSI05-1999PageTable1—Pressure/temperatureratings2Table2—Face-to-faceandcentre-to-facedimensions3Table3—Minimumoutsidediametersofsealingfacesforparallelthreadedvalves4Table4—Dimensionsofbodyendportsandseatbores4Table5—Basicmaterials6Table6—Tabledeleted7Table7—DimensionsofANSIClass125flanges11Table8—Pressure/temperatureratingsforClass125valves12Table9—Testpressure(gauge)forClass125valves12PublicationsreferredtoInsidebackcoverLicensedCopy:Jacobsuser,JacobsEngineering,TueMar2708:46:34GMT+00:002007,UncontrolledCopy,(c)BSIBS5153:1974©BSI05-1999iiiForewordBS5153replacesBS4090,firstpublishedin1966.Thisrevision,preparedundertheauthorityoftheMechanicalEngineeringIndustryStandardsCommittee,isinmetricunits.Itisoneofaseriesofnewandrevisedstandardsinmetricunitsforgeneralp