NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60534-1TroisièmeéditionThirdedition2005-01Vannesderégulationdesprocessusindustriels–Partie1:TerminologiedesvannesderégulationetconsidérationsgénéralesIndustrial-processcontrolvalves–Part1:ControlvalveterminologyandgeneralconsiderationsNuméroderéférenceReferencenumberCEI/IEC60534-1:2005CopyrightInternationalElectrotechnicalCommissionProvidedbyIHSunderlicensewithIECLicensee=NanyangTechnologicalUniv/5926867100NotforResale,06/19/201305:51:28MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,`,`,```,,,,,`,,,,,``,,`,,``-`-`,,`,,`,`,,`---PublicationnumberingAsfrom1January1997allIECpublicationsareissuedwithadesignationinthe60000series.Forexample,IEC34-1isnowreferredtoasIEC60034-1.ConsolidatededitionsTheIECisnowpublishingconsolidatedversionsofitspublications.Forexample,editionnumbers1.0,1.1and1.2refer,respectively,tothebasepublication,thebasepublicationincorporatingamendment1andthebasepublicationincorporatingamendments1and2.FurtherinformationonIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC,thusensuringthatthecontentreflectscurrenttechnology.Informationrelatingtothispublication,includingitsvalidity,isavailableintheIECCatalogueofpublications(seebelow)inadditiontoneweditions,amendmentsandcorrigenda.Informationonthesubjectsunderconsiderationandworkinprogressundertakenbythetechnicalcommitteewhichhaspreparedthispublication,aswellasthelistofpublicationsissued,isalsoavailablefromthefollowing:�IECWebSite(www.iec.ch)�CatalogueofIECpublicationsTheon-linecatalogueontheIECwebsite(www.iec.ch/searchpub)enablesyoutosearchbyavarietyofcriteriaincludingtextsearches,technicalcommitteesanddateofpublication.On-lineinformationisalsoavailableonrecentlyissuedpublications,withdrawnandreplacedpublications,aswellascorrigenda.�IECJustPublishedThissummaryofrecentlyissuedpublications(www.iec.ch/online_news/justpub)isalsoavailablebyemail.PleasecontacttheCustomerServiceCentre(seebelow)forfurthe...
