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.DateComments(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2006CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN1983:2006:E(E)2ContentsPageForeword..........................................................................................................................................................31Scope...................................................................................................................................................42Normativereferences.........................................................................................................................43Termsanddefinitions.........................................................................................................................54Requirements......................................................................................................................................64.1Design..................................................................................................................................................64.2Functionalcharacteristics................................................................................................................115Testprocedures................................................................................................................................126Declarationofcompliance................................................................................................................127Designation.......................................................................................................................................128Markingandpreparationforstorageandtransportation...............................................................138.1Marking..............................................................................................................................................138.2Supplementarymarking...................................................................................................................138.3Omissionofbodymarking........................................