BRITISHSTANDARDBS1968:1953IncorporatingAmendmentNos.1and2SpecificationforFloatsforballvalves(copper)CONFIRMEDDECEMBER2007BS1968:1953ThisBritishStandard,havingbeenapprovedbytheSanitaryAppliancesIndustryStandardsCommitteeandendorsedbytheChairmanoftheBuildingDivisionalCouncil,waspublishedundertheauthorityoftheGeneralCouncilon8May1953©BSI10-1999ISBN0580355799Co-operatingorganizationsTheSanitaryAppliancesIndustryStandardsCommittee,underwhosesupervisionthisBritishStandardwasprepared,consistsofrepresentativesfromthefollowingGovernmentdepartmentsandscientificandindustrialorganizations:AdmiraltyMetalSinkManufacturers’AssociationBritishBathManufacturers’AssociationMinistryofHousingandLocalGovernment*BritishIronfounders’Association*MinistryofWorks*BritishPlasticsFederationNationalBrassfoundryAssociation*BritishSanitaryEarthenwareManufacturers’NationalFederationofBuildingTradesAssociationEmployersBritishSanitaryFireclayAssociationNationalGeneralExportMerchantsGroupBritishWaterworksAssociation*RoyalInstituteofBritishArchitects*D.S.I.R.—BuildingResearchStation*RoyalInstituteofCharteredSurveyorsFlushingCisternMakers’Association*RoyalSanitaryInstitute*InstituteofPlumbers*SanitaryInspectors’AssociationInstitutionofMunicipalEngineers*ScottishFederationofPlumbersandDomesticInstitutionofSanitaryEngineersEngineers(Employers)AssociationsLondonCountyCouncilWaterCompaniesAssociation*TheGovernmentdepartmentsandscientificandindustrialorganizationsmarkedwithanasteriskintheabovelist,togetherwiththefollowing,weredirectlyrepresentedonthecommitteeentrustedwiththepreparationofthisBritishStandard:—AssociatedMasterPlumbersandDomesticCrownAgentsfortheColoniesEngineersDistributorsofBuilders’SuppliesJointCouncilAssociationofHeating,VentilatingandElectricWaterHeaterManufacturers’DomesticEngineeringEmployersAssociationBritishElectricalDevelopmentAssociationInstituteofBritishFoundrymenBritishElectricalandAlliedManufacturers’InstitutionofGasEngineersAssociationInstitutionofHeatingandVentilat...
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