|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||BRITISHSTANDARDBSEN1213:2000TheEuropeanStandardEN1213:1999hasthestatusofaBritishStandardICS23.060.20;91.140.60NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBuildingvalvesÐCopperalloystopvalvesforpotablewatersupplyinbuildingsÐTestsandrequirementsThisBritishStandard,havingbeenpreparedunderthedirectionoftheSectorCommitteeBuildingandCivilEngineering,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15February2000�BSI02-2000ISBN0580342689BSEN1213:2000AmendmentsissuedsincepublicationAmd.No.DateCommentsNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofENISO1213:1999.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeB/504,Watersupply,tosubcommitteeB/504/7,Controlsafetydevices,whichhastheresponsibilityto:Ðaidenquirerstounderstandthetext;ÐpresenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;ÐmonitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitledªInternationalStandardsCorrespondenceIndexº,orbyusingtheªFindºfacilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to18,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.������������������������������...