BRITISHSTANDARDBSEN19:2002Industrialvalves—MarkingofmetallicvalvesTheEuropeanStandardEN19:2002hasthestatusofaBritishStandardICS23.060.01NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunApr2911:20:23GMT+00:002007,UncontrolledCopy,(c)BSI©BSI13May2002ISBN0580396975NationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN19:2002.ItsupersedesBSEN19:1992whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteePSE/7,Industrialvalves,toSubcommitteePSE/7/1,Industrialvalves—Basicstandards,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to10,aninsidebackcoverandabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunApr2911:20:23GMT+00:002007,UncontrolledCopy,(c)BSIétalliquesIndustriearmaturen-KennzeichnungvonArmaturenausMetallThisEuropeanStandardwasapprovedbyCENon27December2001.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2002CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN19:2002ELicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunApr2911:20:23GMT+00:002007,UncontrolledCopy,(c)BSI(E)2ContentspageForeword......................................................................................................................................................................31Scope..............................................................................................................................................................42Normativereferences....................................................................................................................................43Termsanddefinitions....................................................................................................................................44Requirements.................................................................................................................................................55Detailsofmarkings........................................................................................................................................7AnnexZA(informative)ClausesofthisEuropeanStandardaddressingessentialrequirementsorotherprovisionsofEUDirectives..............................................................................................................10LicensedCopy:InstituteOfTechnologyTallaght,InstituteofTechnology,SunApr2911:20:23GMT+00:002007,UncontrolledCopy,(c)BSI(E)3ForewordThisdocumentEN19:2002hasbeenpreparedbyTechnicalCommitteeCEN/TC69Industrialvalves,thesecretariatofwhichisheldbyAFNOR.ThisEuropeanStandardsha