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BRITISHSTANDARDBS5163-1:2004Valvesforwaterworkspurposes—Part1:Predominantlykey-operatedcastirongatevalves—CodeofpracticeICS23.060.30����������������������������������������������������������������������BS5163-1:2004ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon23December2004©BSI23December2004FirstpublishedOctober1974FirstrevisionOctober1986FirstpublishedasPart1December2004ThefollowingBSIreferencesrelatetotheworkonthisBritishStandard:CommitteereferencePSE/7/3Draftforcomment04/30082123DCISBN0580447138CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteePSE/7,Industrialvalves,toSubcommitteePSE/7/3,Castironisolating,checkandhydrantvalvesforindustrialuseandvalvesforwaterindustryapplications,uponwhichthefollowingbodieswererepresented:BritishChemicalEngineeringContractorsAssociationBVAA—BritishValveandActuatorAssociationCMF—CastMetalsFederationDuctileIronProducersAssociationEnergyIndustriesCouncilInstitutionofMechanicalEngineersPipelineIndustriesGuildSocietyofBritishWaterIndustriesWaterUKAmendmentsissuedsincepublicationAmd.No.DateCommentsBS5163-1:2004©BSI23December2004iContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Termsanddefinitions14Preferredfeatures25Valvesforwaterintendedforhumanconsumption—Effectofmaterialsonwaterquality66Marking67Preparationforstorageandtransport6AnnexA(normative)Informationtobesuppliedbythepurchaser7Bibliography9Figure1—Typicaloperator—Ringkeyandbar2Figure2—Typicaloperator—Tkey3Figure3—Maximumoverallheight4Table1—Maximumoverallheights4BS5163-1:2004ii©BSI23December2004ForewordThispartofBS5163hasbeenpreparedunderthedirectionofPSE/7tofacilitatetheapplicationofBSEN1074-1:2000andBSEN1074-2:2000.AlongwithBS5163-2:2004,BSEN1074-1:2000andBSEN1074-2:2000,thispartofBS5163supersedesBS5163:1986,whichiswithdrawn.Thisstandardprovidesguid...