BSEN13942:2009ICS23.060.01;75.200NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDPetroleumandnaturalgasindustries—Pipelinetransportationsystems—Pipelinevalves(ISO14313:2007modified)ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon31March2009©BSI2009ISBN9780580626241Amendments/corrigendaissuedsincepublicationDateCommentsBSEN13942:2009NationalforewordThisBritishStandardistheUKimplementationofEN13942:2009.Itiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/17,Materialsandequipmentforpetroleum,petrochemicalandnaturalgasindustries.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.derivedfromIS014313:2007ItsupersedesBSEN13942:2003whichisBSEN13942:2009EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN13942January2009ICS23.040.01;75.200SupersedesEN13942:2003EnglishVersionPetroleumandnaturalgasindustries-Pipelinetransportationsystems-Pipelinevalves(ISO14313:2007modified)Industriesdupétroleetdugaznaturel-Systèmesdetransportparconduites-Robinetsdeconduites(ISO14313:2007modifiée)Erdöl-undErdgasindustrie-Rohrleitungstransportsysteme-Rohrleitungsarmaturen(ISO14313:2007,modifiziert)ThisEuropeanStandardwasapprovedbyCENon27December2008.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusas...