1、NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60534-2-3Deuxime ditionSecond edition1997-12Vannes de rgulationdes processus industriels Partie 2-3:Capacit dcoulement Procdures dessaiIndustrial-process control valves Part 2-3:Flow capacity Test proceduresNumro de rfrenceReference numberCEI/IEC 60534-2
2、-3:1997Copyright International Electrotechnical Commission Provided by IHS under license with IECDocument provided by IHS Licensee=Fluor Corp no FPPPV per administrator/usenew u/2110503106,03/03/2004 00:20:41 MST Questions or comments about thismessage:please call the Document Policy Group at 303-39
3、7-2295.-,-,-Numros des publicationsDepuis le 1er janvier 1997,les publications de la CEIsont numrotes partir de 60000.Publications consolidesLes versions consolides de certaines publications dela CEI incorporant les amendements sont disponibles.Par exemple,les numros ddition 1.0,1.1 et 1.2indiquent
4、respectivement la publication de base,lapublication de base incorporant lamendement 1,et lapublication de base incorporant les amendements 1et 2.Validit de la prsente publicationLe contenu technique des publications de la CEI estconstamment revu par la CEI afin quil reflte ltatactuel de la technique
5、.Des renseignements relatifs la date dereconfirmation de la publication sont disponibles dansle Catalogue de la CEI.Les renseignements relatifs ces rvisions,ltablis-sement des ditions rvises et aux amendementspeuvent tre obtenus auprs des Comits nationaux dela CEI et dans les documents ci-dessous:Bu
6、lletin de la CEIAnnuaire de la CEIAccs en ligne*Catalogue des publications de la CEIPubli annuellement et mis jour rgulirement(Accs en ligne)*Terminologie,symboles graphiqueset littrauxEn ce qui concerne la terminologie gnrale,le lecteurse reportera la CEI 60050:Vocabulaire Electro-technique Interna
7、tional(VEI).Pour les symboles graphiques,les symboles littrauxet les signes dusage gnral approuvs par la CEI,lelecteur consultera la CEI 60027:Symboles littraux utiliser en lectrotechnique,la CEI 60417:Symbolesgraphiques utilisables sur le matriel.Index,relev etcompilation des feuilles individuelles
8、,et la CEI 60617:Symboles graphiques pour schmas.Publications de la CEI tablies par le mme comit dtudesLattention du lecteur est attire sur les listes figurant la fin de cette publication,qui numrent lespublications de la CEI prpares par le comitdtudes qui a tabli la prsente publication.*Voir adress
9、e site web sur la page de titre.NumberingAs from 1 January 1997 all IEC publications areissued with a designation in the 60000 series.Consolidated publicationsConsolidated versions of some IEC publicationsincluding amendments are available.For example,edition numbers 1.0,1.1 and 1.2 refer,respective
10、ly,tothe base publication,the base publicationincorporating amendment 1 and the base publicationincorporating amendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept underconstant review by the IEC,thus ensuring that thecontent reflects current technology.Inf
11、ormation relating to the date of the reconfirmation ofthe publication is available in the IEC catalogue.Information on the revision work,the issue of revisededitions and amendments may be obtained fromIEC National Committees and from the followingIEC sources:IEC BulletinIEC YearbookOn-line access*Ca
12、talogue of IEC publicationsPublished yearly with regular updates(On-line access)*Terminology,graphical and lettersymbolsFor general terminology,readers are referred toIEC 60050:International Electrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signsapproved by the IEC for ge
13、neral use,readers arereferred to publications IEC 60027:Letter symbols tobe used in electrical technology,IEC 60417:Graphicalsymbols for use on equipment.Index,survey andcompilation of the single sheets and IEC 60617:Graphical symbols for diagrams.IEC publications prepared by the same technical comm
14、itteeThe attention of readers is drawn to the end pages ofthis publication which list the IEC publications issuedby the technical committee which has prepared thepresent publication.*See web site address on title page.Copyright International Electrotechnical Commission Provided by IHS under license
15、with IECDocument provided by IHS Licensee=Fluor Corp no FPPPV per administrator/usenew u/2110503106,03/03/2004 00:20:41 MST Questions or comments about thismessage:please call the Document Policy Group at 303-397-2295.-,-,-NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60534-2-3Deuxime ditionSecond e
16、dition1997-12Vannes de rgulationdes processus industriels Partie 2-3:Capacit dcoulement Procdures dessaiIndustrial-process control valves Part 2-3:Flow capacity Test procedures Commission Electrotechnique Internationale International Electrotechnical CommissionPour prix,voir catalogue en vigueurFor price,see current catalogue IEC 1997 Droits de reproduction rservs Copyright-all rights reservedAucune partie de cette publication ne peut tre reproduite niutilise sous quelque forme que ce soit et pa
