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BRITISHSTANDARDBS5163-2:2004Valvesforwaterworkspurposes—Part2:Stemcapsforuseonisolatingvalvesandassociatedwatercontrolapparatus—SpecificationICS23.060.30����������������������������������������������������������������������BS5163-2:2004ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon23December2004©BSI23December2004FirstpublishedOctober1974FirstrevisionOctober1986FirstpublishedasPart2December2004ThefollowingBSIreferencesrelatetotheworkonthisBritishStandard:CommitteereferencePSE/7/3Draftforcomment04/30111467DCISBN058044712XCommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteePSE/7,Industrialvalves,toSubcommitteePSE/7/3,Castironisolating,checkandhydrantvalvesforindustrialuseandvalvesforwaterindustryapplications,uponwhichthefollowingbodieswererepresented:BritishChemicalEngineeringContractorsAssociationBVAA—BritishValveandActuatorAssociationCMF—CastMetalsFederationDuctileIronProducersAssociationEnergyIndustriesCouncilInstitutionofMechanicalEngineersPipelineIndustriesGuildSocietyofBritishWaterIndustriesWaterUKAmendmentsissuedsincepublicationAmd.No.DateCommentsBS5163-2:2004©BSI23December2004iContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Termsanddefinitions14Designrequirements35Preparingforstorageandtransport4AnnexA(normative)Testmethodfortheresistanceofstemcapstooperatingloads5Bibliography7Figure1—Ringkeyandbar2Figure2—Tkey3Figure3—Typicalstemcap4Table1—Dimensionsofstemcaps3BS5163-2:2004ii©BSI23December2004ForewordThispartofBS5163hasbeenpreparedunderthedirectionofTechnicalCommitteePSE/7tofacilitatetheapplicationofBSEN1074-1:2000,BSEN1074-2:2000andBSEN1074-6:2004.AlongwithBS5163-1:2004,BSEN1074-1:2000andBSEN1074-2:2000,thisstandardsupersedesBS5163:1986,whichiswithdrawn.ThisstandardgivesdetailsofstemcapsnotcoveredinBSEN1074-1:2000,BSEN1074-2:2000orBSEN10...