1、NORME INTERNATIONALE INTERNATIONAL STANDARD Commission Electrotechnique Internationale I n ternat ional E lectrotech n cai Comm ission M emy HapoHafl3nerpoexeca KOM HCCWR Vannes de rgulation des processus industriels Premire partie:Terminologie des vannes de rgulation et considrations gnrales Indust
2、ria I-process co nt ro I va Ives Part 1:Control valve terminology and general considerations CE1 IEC.534-1 Deuxime dition Second edition 1987 Publication 534-1:1987 Copyright International Electrotechnical Commission Provided by IHS under license with IECDocument provided by IHS Licensee=Fluor Corp
3、no FPPPV per administrator/usenew u/2110503106,03/03/2004 00:10:35 MST Questions or comments about thismessage:please call the Document Policy Group at 303-397-2295.-,-,-IEC 534 PT*L 87=4844871 0055022 4 Rvision de la prsente publication Le contenu technique des publications de la CE I est constam-m
4、ent revu par la Commission afin dassurer quil reflte bien ltat actuel de ia technique.Les renseignements relatifs ce travail de rvision,ltablis-sement des ditions rvises et aux mises jour peuvent tre obtenus auprs des Comits nationaux de la CE I et en consultant les documents ci-dessous:0 Bulletin d
5、e la CE I Annuaire de la CE I Catalogue des publications de la CE I Publi annuellement Terminologie En ce qui concerne la terminologie gnrale,le lecteur se repor-tera la Publication 50 de la CE I:Vocabulaire Electrotechnique International(VEI),qui est tablie sous forme de chapitres spars traitant ch
6、acun dun sujet dfini,lIndex gnral tant publi spa-rment.Des dtails complets sur le VE1 peuvent tre obtenus sur demande.Les termes et dfinitions figurant dans la prsente publication ont t soit repris du VEI,soit spcifiquement approuvs aux fins de cette publication.Symboles graphiques et littraux Pour
7、les symboles graphiques,symboles littraux et signes dusage gnral approuvs par la CEI,le lecteur consultera:-la Publication 27 de la CEI:Symboles littraux utiliser en-la Publication 617 de la CEI:Symboles graphiques pour Les symboles et signes contenus dans la prsente publication ont t soit repris de
8、s Publications 27 ou 617 de la CEI,soit spcifi-quement approuvs aux fins de cette publication.lectrotechnique;schmas.Publications de la CE1 tablies par le mme Comit dEtudes Lattention du lecteur est attire sur le deuxime feuillet de la couverture,qui numre les publications de ia CE I prpares par le
9、Comit dEtudes qui a tabli la prsente publication.Revision of this publication The technical content of I EC publications is kept under con-stant review by the I EC,thus ensuring that the content reflects current technology.Information on the work of revision,the issue of revised edi-tions and amendm
10、ent sheets may be obtained from I EC National Committees and from the following I EC sources:I EC Bulletin I EC Yearbook Catalogue of I EC Publications Published yearly Terminology For general terminology,readers are referred to I E C Publi-cation 50:International Electrotechnical Vocabulary(IEV),wh
11、ich is issued in the form of separate chapters each dealing with a specific field,the General Index being published as a separate booklet.Full details of the IEV will be supplied on request.The terms and definitions contained in the present publication have either been taken from the IEV or have bee
12、n specifically approved for the purpose of this publication.Graphical and letter symbols For graphical symbols,and letter symbols and signs approved by the I EC for general use,readers are referred to:-IEC Publication 27:Letter symbols to be used in electrical-IEC Publication 617:Graphical symbols f
13、or diagrams.technology;The symbols and signs contained in the present publication have either been taken from I EC Publications 27 or 617,or have been specifically approved for the purpose of this publication.I EC publications prepared by the same Technical Committee The attention of readers is draw
14、n to the back cover,which lists I EC publications issued by the Technical Committee which has prepared the present publication.Copyright International Electrotechnical Commission Provided by IHS under license with IECDocument provided by IHS Licensee=Fluor Corp no FPPPV per administrator/usenew u/21
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16、 c a KOMHCCHFI Vannes de rgulation des processus industriels Premire partie:Terminologie des vannes de rgulation et considrations gnrales CE1 IEC 534-1 Deuxime dition Second edition 1987 Industria I-p rocess control va Ives Part I:Control valve terminology and general considerations 0 CE I 1987 Droits de reproduction rservs-Copyright-all rights reserved Aucune pariie de cette publication ne peut tre reproduite ni utilide sous quelque forme que ce soit et par aucun procd,Qectronique w mwiique,y c