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BRITISHSTANDARDBSEN1983:2006Industrialvalves—SteelballvalvesTheEuropeanStandardEN1983:2006hasthestatusofaBritishStandardICS23.060.20����������������������������������������������������������������������BSEN1983:2006ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon31July2006©BSI2006ISBN0580490300NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN1983:2006.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/7,Industrialvalves,toSubcommitteePSE/7/5,Ballandplugvalves,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleinternational/Europeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeepUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to18,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentswww.bzfxw.comEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN1983May2006ICS23.060.20EnglishVersionIndustrialvalves-SteelballvalvesRobinetterieindustrielle-RobinetsàtournantsphériqueenacierIndustriearmaturen-KugelhähneausStahlThisEuropeanStandardwasapprovedbyCENon23M...