BSEN15714-4:2009ICS23.060.20NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDIndustrialvalves—ActuatorsPart4:Hydraulicpart-turnactuatorsforindustrialvalves—BasicrequirementsThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30November2009©BSI2009ISBN9780580548444Amendments/corrigendaissuedsincepublicationDateCommentsBSEN15714-4:2009NationalforewordThisBritishStandardistheUKimplementationofEN15714-4:2009.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/18/5,Valveactuators.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.标准分享网www.bzfxw.com免费下载www.bzfxw.comBSEN15714-4:2009EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN15714-4October2009ICS23.060.20EnglishVersionIndustrialvalves-Actuators-Part4:Hydraulicpart-turnactuatorsforindustrialvalves-BasicrequirementsRobinetterieindustrielle-Actionneurs-Partie4:Actionneurshydrauliquesàfractiondetourpourrobinetterieindustrielle-PrescriptionsdebaseIndustriearmaturen-Antriebe-Teil4:HydraulischeSchwenkantriebefürIndustriearmaturen-GrundanforderungenThisEuropeanStandardwasapprovedbyCENon12September2009.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsbilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Cypru...
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