BS 5154 1991

BRITISHSTANDARDBS5154:1991SpecificationforCopperalloyglobe,globestopandcheck,checkandgatevalvesLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuDec2109:32:35GMT+00:002006,UncontrolledCopy,(c)BSIBS5154:1991ThisBritishStandard,havingbeenpreparedunderthedirectionofthePipingSystemsComponentsStandardsPolicyCommittee,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton31May1991©BSI02-1999FirstpublishedasBS1952,BS1953andBS2060in1953and1956Secondeditions(separately)October1964Metricedition,asBS5154,October1974ThirdeditionDecember1983FourtheditionJuly1989FiftheditionMay1991ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePSE/7Draftforcomment90/76614DCISBN0580196194CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbythePipingSystemsComponentsStandardsPolicyCommittee(PSE/-)toTechnicalCommitteePSE/7,uponwhichthefollowingbodieswererepresented:AmalgamatedUnionofEngineeringWorkersAssociatedOfficesTechnicalCommitteeAssociationofBronzeandBrassFoundersAssociationofBuildingComponentManufacturersLtd.BritishChemicalEngineeringContractors’AssociationBritishCompressedGasesAssociationBritishFoundryAssociationBritishGasplcBritishMaritimeTechnologyBritishPlumbingFittingsManufacturers’AssociationBritishShipbuildersBritishValveandActuatorManufacturers’AssociationCharteredInstitutionofBuildingServicesEngineersCopperDevelopmentAssociationDepartmentoftheEnvironment(PropertyServicesAgency)ElectricitySupplyIndustryinEnglandandWalesEnergyIndustriesCouncilEngineeringEquipmentandMaterialsUsers’AssociationGAMBICA(BEAMALtd.)HealthandSafetyExecutiveInstituteofBritishFoundrymenInstitutionofChemicalEngineersInstitutionofGasEngineersInstitutionofMechanicalEngineersInstitutionofWater&EnvironmentalManagement(IWEM)SocietyofBritishGasIndustriesSteelCastingResearchandTradeAssociationWaterAuthoritiesAssociationWaterCompaniesAssociationAmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuDec2109:32:35GMT+00:002006,UncontrolledCopy,(c)BSIBS5154:1991©BSI02-1999iContentsPageCommitteesresponsibleInsidefrontcoverForewordiiSection1.General1Scope12Definitions13Valveseries14Typesofvalves25Sizeranges26Pressuredesignations27Pressure/temperatureratings28Dimensionsandtolerancesofbodyends2Section2.Design9Design6Section3.Materials10Materials10Section4.Pressuretesting11Pressuretestrequirements13Section5.Marking12Marking14Section6.Preparationforstorageandtransportation13General15AppendixAInformationtobesuppliedbythepurchaser16AppendixBSpecificationforAlloyAandAlloyB16Table1—NominalsizesofvalvesaccordingtoPNorClassdesignation3Table2—Pressure/temperatureratingsforvalveswithflangedorthreadedends4Table3—Pressure/temperatureratingsforvalveswithcapillaryorcompressionendstoBS864-24Table4—Face-to-faceandcentre-to-facedimensionsofflangedvalves4Table5—MinimumoutsidediametersofsealingfacesforparallelthreadedendstoBS27795Table6—Minimumflow-wayarea6Table7—Minimumstemdiameters8Table8—Minimumwallthicknesses9Table9—MetallicmaterialsforthemanufactureofseriesAvalves11Table10—MetallicmaterialsforthemanufactureofseriesBvalves12Table11—Durationforproductionpressuretest13Table12—ChemicalcompositionofalloyAandalloyB16Table13—Mechanicalpropertiesofcastings17Table14—MechanicalpropertiesofalloyBextrusions17PublicationsreferredtoInsidebackcoverLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,ThuDec2109:32:35GMT+00:002006,UncontrolledCopy,(c)BSIBS5154:1991ii©BSI02-1999ForewordThiseditionofBS5154hasbeenpreparedunderthedirectionofthePipingSystemsComponentsStandardsPolicyCommittee.Itsupersedesthe1989edition,whichiswithdrawn.BS5154:1991introducestechnicalchangestobringthestandardup-to-datebutitdoesnotreflectafullreviewofthestandard,whichwillbeundertakeninduecourse.Revisedtextisindicatedbyasidelineinthemargin.Thiseditionreflectscurrentmanufacturingpracticeandrecognizesthereclamationofvalvesthroughtheimpregnationofcastings.Thesatisfactoryperformanceofanyvalvedependsondesign,manufacture,correctinstallationandmaintenance;thisstandardspecifiesrequirementsfordesignandmanufacturebutnotforinstallationandmaintenance,guidanceonwhichisgiveninBS6683.Thisstandardallowsoptionstothestandardproduct,thepreferredoptionbeingindicatedbyanotetotheappropriateclause.Particularrequirementsshouldbeindicatedbythepurchaser,asstatedinAppendixA,otherwisethemanufacturerwillsupplytheproductwiththefollowingpreferredoptions:a)meansofoperation(see9.9.2);b)directionofoperatingefforttoclose(see9.9.2);c)trimmaterials(see10.1);d)flangeendsdrilled(see8.1.1).Throughoutthisstandard,allpressuresspecifiedaregaugepressures.SafetyCode.ForpurchasersofvalvestoBS5154,itisemphasizedthatstrictcompliancewiththemanufacturer’sinstructionsandrecommendationsforinstallation,usageandmaintenanceisnecessary.Wherethereisanappropriateapplicationstandardorcodeofpractice,itistheresponsibilityofthepurchasertoensurethatsuchrequirementsarecompliedwith,e.g.attentionisdrawntoBS759-1.ABritish