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BRITISHSTANDARDBS1560-3.3:1989Circularflangesforpipes,valvesandfittings(Classdesignated)—Part3:Steel,castironandcopperalloyflanges—Section3.3SpecificationforcopperalloyandcompositeflangesUDC621.643.4–034.14:621.643.411.412.8:669.35:620.168:001.4:006.3/.8LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunJul3010:44:46BST2006,UncontrolledCopy,(c)BSIBS1560-3.3:1989ThisBritishStandard,havingbeenpreparedunderthedirectionofthePipingSystemsComponentsStandardsPolicyCommittee,waspublishedundertheauthorityoftheBoardofBSIandcomesintoeffecton30June1989©BSI01-2000FirstpublishedasBS1560-2November1970FirstrevisionasBS1560-3.3June1989ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePSE/15Draftforcomment87/72072DCISBN0580170470CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbythePipingSystemsComponentsStandardsPolicyCommittee(PSE/-)toTechnicalCommitteePSE/15,uponwhichthefollowingbodieswererepresented:BritishChemicalEngineeringContractors’AssociationBritishCompressedGasesAssociationBritishFluidPowerAssociationBritishFoundryAssociationBritishGasplcBritishMalleableTubeFittingsAssociationBritishMaritimeTechnologyBritishNon-FerrousMetalsFederationBritishPumpManufacturers’AssociationBritishSteelIndustryBritishValveandActuatorManufacturers’AssociationLtd.CombustionEngineeringAssociationCopperDevelopmentAssociationDepartmentofTradeandIndustry(NationalEngineeringLaboratory)DuctileIronProducers’AssociationElectricitySupplyIndustryinEnglandandWalesEnergyIndustriesCouncilEngineeringEquipmentandMaterialsUsers’AssociationGAMBICA(BEAMALtd.)HighPressurePipeworkConsultativeCommitteeInstitutionofGasEngineersInstitutionofMechanicalEngineersInstitutionofProductionEngineersInstitutionofWaterandEnvironmentalManagement(IWEM)WaterAuthoritiesAssociationAmendmentsissuedsincepublicationAmd.No.DateofissueCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunJul3010:44:46BST2006,UncontrolledCopy,...