BS EN 15714-2-2009 工业阀门.执行器.第2部分：工业阀门电动执行机构.基本要求

BSEN15714-2:2009ICS23.060.20NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDIndustrialvalves—ActuatorsPart2:Electricactuatorsforindustrialvalves—BasicrequirementsThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30November2009©BSI2009ISBN9780580548406Amendments/corrigendaissuedsincepublicationDateCommentsBSEN15714-2:2009NationalforewordThisBritishStandardistheUKimplementationofEN15714-2:2009.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePSE/18/5,Valveactuators.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.BSEN15714-2:2009EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN15714-2October2009ICS23.060.20EnglishVersionIndustrialvalves-Actuators-Part2:Electricactuatorsforindustrialvalves-BasicrequirementsRobinetterieindustrielle-Actionneurs-Partie2:Actionneursélectriquespourrobinetterieindustrielle-PrescriptionsdebaseIndustriearmaturen-Antriebe-Teil2:ElektrischeAntriebefürIndustriearmaturen-GrundanforderungenThisEuropeanStandardwasapprovedbyCENon12September2009.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsbilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,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:AvenueMarnix17,B-1000Brussels©2009CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN15714-2:2009:EBSEN15714-2:2009EN15714-2:2009(E)2ContentsPageForeword..............................................................................................................................................................41Scope......................................................................................................................................................52Normativereferences............................................................................................................................53Classification/Designation....................................................................................................................53.1General....................................................................................................................................................53.2Type:Part-turn,multi-turnorlinear.....................................................................................................53.3Actuatordutyclassification..................................................................................................................63.3.1General....................................................................................................................................................63.3.2ClassA:On-off.......................................................................................................................................63.3.3ClassB:Inching/positioning................................................................................................................63.3.4ClassC:Modulating..............................................................................................................................63.3.5ClassD:Continuousmodulating.........................................................................................................63.4Actiononlossofexternalelectricpower...........................................................................................63.4.1Standardaction......................................................................................................................................63.4.2Failsafeaction.......................................................................................................................................64Designrequirements.............................................................................................................................64.1Endurance..............................................................................................................................................64.1.1General...................