1、NORME CE1 I Ki TE R NAT I O NA LE IEC STAN DARD IFTENATIONAL 534-7 Premire dition First edition*i.o.c 1989-1 1 z Vannes de rgulation des processs industriels Septime partie:Grille de dfinition de vanne de rgulation Industrial-process control valves Part 7:Control valve data sheet.Numro de rfrence Re
2、ference number CEI/IEC 534-7:1989(9-.I!COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesI E C 53Y PT*7 87 M YBY489L 0055259 2 Rvision de la prsente publication Le co
3、ntenu technique des publications de la CE I est constam-ment revu par la Commission afin dassurer quil refltte bien ltat actuel de la 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 C
4、E I et en consultant les documents ci-dessous:Bulletin de la CE I Annuaire de la CE I Catalogue des publications de la C E I Publi annuellement Terminologie En ce qui concerne la terminologie gnrale,le lecteur se repor-tera la Publication 50 de la CEI:Vocabulaire Electrotechnique International(VEI),
5、qui est tablie sous forme dechapitres spars traitant chacun 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
6、cette publication.I l Symboles graphiques et littraux Pour 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 signe
7、s contenus dans la prsente publication ont t soit repris des 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 la dernire page de la cou-vertu
8、re,qui numre les publications de la CE I prpares par le Comit#Etudes 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 wor
9、k of revision,the issue of revised edi-tions and amendment sheets may be obtained from I EC National Committees and from the following I EC sources:I E C Bulletin I EC Yearbook Catalogue of I EC Publications Published yearly Terminology For general terminology,readers are referred to I EC Publi-cati
10、on 50:International Electrotechnical Vocabulary(IEV),which 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 publ
11、ication have either been taken from the IEV or have been specifically approved for the purpose of this publication.Graphical and letter symbols For graphical symbols,and letter symbols and signs approved by the IEC for general use,readers are referred to:-IEC Publication 27:Letter symbols to be used
12、 in electrical-I EC Publicafion 617:Graphical symbols for 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 sa
13、me Technical Committee The attention of readers is drawn to the back cover,which lists I EC publications issued by the Technical Committee which has prepared the present publication.COPYRIGHT International Electrotechnical CommissionLicensed by Information Handling ServicesCOPYRIGHT International El
14、ectrotechnical CommissionLicensed by Information Handling ServicesNORME I NTE R NAT I O NALE INTERNATIONAL STANDARD CE1 IEC Premire dition First edition 1989-1 1 Vannes-de rgulation des processus industriels Septime partie:Grille de dfinition de vanne de rgulation Industrial-process control valves P
15、art 7:Control valve data sheet O CE1 1989 Droits de reproduction rservs-Copyright-all nghts reserved Aucune parlie de cene pubca:on ne peul tre repraduite ni utiise sous quelque forrneque ce soit et par aucun procd,lectronique ou rncan que,y cornpns la photocapie et les rn crafrns.sans accord cnt de
16、 drteur Bureau Central de la Commission Electrotechnique Internationale 3,rue de Varemb Genve,Suisse No partofthis pubcton rnyberepraducedar uthzedinaiyfarrnar by any means.electron c or rnechan,cal.induding photacop,ng and rn crofilrn.vdtout perm won in v;nting from the pub1 sher 14 CODE PRIX Commission Electrotechnique Internationale PRICE CODE International Electrotechnical Commission MewyHaponHafl3nemporexwreca HOMMCCHR Pour priz mr cata!ogue en wgufur For price,see current cata!ogue-COPYRIG