LicensedCopy:RobertBlyth,Brown&RootLtd,April25,2002,UncontrolledCopy,(c)BSIBritishStandardAsinglecopyofthisBritishStandardislicensedtoRobertBlythonApril25,2002Thisisanuncontrolledcopy.EnsureuseofthemostcurrentversionofthisdocumentbysearchingBritishStandardsOnlineatbsonline.techindex.co.ukBRITISHSTANDARDBS6683:1985IncorporatingAmendmentNo.1GuidetoInstallationanduseofvalvesUDC621.646.005LicensedCopy:RobertBlyth,Brown&RootLtd,April25,2002,UncontrolledCopy,(c)BSIwww.bzfxw.comBS6683:1985ThisBritishStandard,havingbeenpreparedunderthedirectionofthePipingSystemsComponentsStandardsCommittee,waspublishedundertheauthorityoftheBoardofBSIandcomesintoeffecton31October1985©BSI06-1999ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePSE/7Draftforcomment84/72775DCISBN0580147460CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbythePipingSystemsComponentsStandardsCommittee(PSE/-)toTechnicalCommitteePSE/7,uponwhichthefollowingbodieswererepresented:AmalgamatedUnionofEngineeringWorkersAssociatedOfficesTechnicalCommitteeAssociationofBronzeandBrassFoundersAssociationofHydraulicEquipmentManufacturersBritishChemicalEngineeringContractorsAssociationBritishCompressedGasesAssociationBritishFoundryAssociationBritishGasCorporationBritishMaritimeTechnologyBritishShipbuildersBritishValveManufacturers’AssociationLtd.CopperDevelopmentAssociationCopperTubeFittingsManufacturers’AssociationElectricitySupplyIndustryinEnglandandWalesEnergyIndustriesCouncilEngineeringEquipmentandMaterialsUsers’AssociationGAMBICA(BEAMALtd.)GeneralCouncilofBritishShippingGreaterLondonCouncilHealthandSafetyExecutiveInstituteofBritishFoundrymenInstitutionofChemicalEngineersInstitutionofGasEngineersInstitutionofMechanicalEngineersInstitutionofWaterEngineersandScientistsSocietyofBritishGasIndustriesSteelCastingResearchandTradeAssociationWaterAuthorities’AssociationWaterCompanies’AssociationAmendmentsissuedsincepublicationAmd.No.DateofissueComments6604April1...
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