IEC TR 61081-1991 Pneumatic instruments driven by associated process gas safe installation and operating procedures guidelines《由过程伴生气体驱动的气动仪器 安全安装和操作程序 指南》.pdf

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1、NORME CE1 IEC INTERNATIONALE INTERNATIONAL STANDARD 61 081 Premire dition First edition 1991 -06 Instruments pneumatiques aliments par le gaz du processus associ - Scurit de linstallation et procdures dexploitation - Rgles gnrales Pneumatic instruments driven by associated process gas - Safe install

2、ation and operating procedures - Guidelines Numro de rfrence Reference number CEMEC 61081: 1991 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Numros des publications Numberi

3、ng Depuis le ler janvier 1997, les publications de la CE1 sont numrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CE1 incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publi

4、cation de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu technique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseign

5、ements relatifs la date de reconfir- mation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent

6、 dans les documents ci- dessous: Site web de la CEI* Catalogue des publications de la CE1 Publi annuellement et mis jour rgulirement (Catalogue en ligne)* Bulletin de la CE1 Disponible la fois au 4te web de la CEI* et comme priodique imprim Terminologie, symboles graphiques et littraux En ce qui con

7、cerne la terminologie gnrale, le lecteur se reportera la CE1 60050: Vocabulaire Electro- technique International (VEI). Pour les symboles graphiques, les symboles littraux et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE1 60027: Symboles lifteraux 2 utiliser en lectrotechn

8、ique, la CE1 6041 7: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles, et la CE1 60617: Symboles graphiques pour schmas. * Voir adresse site web, sur la page de titre. As from 1 January 1997 all IEC publications are issued with a designation in t

9、he 60000 series. Consolidated publications Consolidated versions of some IEC publications including amendments are available. For example, edition numbers 1 .O, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorpo

10、rating amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC ca

11、talogue. Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: IEC web cite* Catalogue of IEC publications Published year

12、ly with regular updates (On-line catalogue)* 0 IEC Bulletin Available both at the IEC web site* and as a printed periodical Terminology, graphical and letter symbols For general terminology, readers are referred to I EC 60050: International Electrotechnical Vocabulary (IEV). For graphical symbols, a

13、nd letter symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEC 6041 7: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols

14、 for diagrams. * See web site address on title page. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 61081 Premire dition F

15、irst edition 1991 -06 Instruments pneumatiques a I i men ts par le gaz du processus associ - Scurit de linstallation et procdures dexploitation - Rgles generales Pneumatic instruments driven by associated process gas - Safe installation and operating procedures - Guidelines O IEC 199? Droits de repr

16、oduction rservs - Copyright - all rights reserved Aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd. lectronique ou mcanique. y compris la photo- copie et les microfilms, sans laccord crit de Iditeur. No part of this publication ma

17、y be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnicai Commission Telefax: +41 22 919 0300 3, rue de Varemb Geneva, Switzerland IEC web site hep: /www.ie

18、c.ch e-mail: inmailiec.ch H CODE PRIX PRICE CODE Pour prix. voir catalogue en vigueur For price, see current catalogue Commission Electrotechnique Internationale International Electrotechnical Commission MeMAyHapOAHaR 3JlBHTPOTBXHHIBCHaR HOMHCCHR O Copyright International Electrotechnical Commission

19、 Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2- SOMMAIRE 10810CEI Pages AVANT-PROPOS 4 INTRODUCTION . 6 Atiides 1 Domaine dapplication 8 2 Rfrences normatives . 8 3 Dfinitions . 8 3.1 Gaz du processus associ . 8 3.2 instrum

20、ents pneumatiques 1 O 4 Gnralits . 1 O 5 Installation . 1 O 6 Prcautions prendre en exploitation 12 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1081 0 IEC -3- CONTENTS Pag

21、e FOREWORD . 5 INTRODUCTION 7 Clause 1 Scope . 9 2 Normative references . 9 3 Definitions 9 3.1 Associated gas 9 3.2 Pneumatic instruments 11 4 General . 11 5 Installation 11 6 Operational precautions 13 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot fo

22、r ResaleNo reproduction or networking permitted without license from IHS-,-,-4- 1081 O CE1 COMMISSION LECTROTECHNIQUE INTERNATIONALE 65( BC)46 INSTRUMENTS PNEUMATIQUES ALIMENTS PAR LE GAZ DU PROCESSUS ASSOCI - RGLES GNRALES SCURIT DE LINSTALLATION ET PROCDURES DEXPLOITATION - 65(BC)53 AVANT-PROPOS 1

23、) Les dcisions ou accords officiels de la CE1 en ce qui concerne les questions techniques, prpars par des Comits dEtudes o sont reprsents tous les Comits nationaux sintressant ces questions, expriment dans la plus grande mesure possible un accord international sur les sujets examins. 2) Ces dcisions

24、 constituent des recommandations internationales et sont agres comme telles par les Comits nationaux. 3) Dans le but dencourager lunification internationale, la CE1 exprime le voeu que tous les Comits nationaux adoptent dans leurs rgles nationales le texte de la recommandation de la CEI, dans la mes

25、ure O les conditions nationales le permettent. Toute divergence entre la recommandation de la CE1 et la rhle nationale correspondante doit, dans la mesure du possible, tre indique en termes clairs dans cette dernire. Le prsent Rapport technique a t tabli par le Comit dEtudes no 65 de la CEI: Mesure

26、et commande dans les processus industriels. Le texte de ce rapport est issu des documents suivants: I I Rgle des Six Mois I Rapport de vote Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le vote ayant abouti lapprobation de ce rapport. Ce rapport est un Rapport techn

27、ique de type 1, qui est publi lorsquil nest pas possible dobtenir un accord satisfaisant afin de publier une Norme internationale. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-

28、,-,-1081 0 IEC -5- Six Months Rule INTERNATIONAL ELECTROTECHNICAL COMMISSION Report on Voting PNEUMATIC INSTRUMENTS DRIVEN BY ASSOCIATED PROCESS GAS - SAFE INSTALLATION AND OPERATING PROCEDURES - G UI DELIN ES FOREWORD 1) The formal decisions or agreements of the IEC on technical matters, prepared b

29、y Technical Committees on which all the National Committees having a special interest therein are represented, express, as nearly as possible, an international consensus of opinion on the subjects dealt with. 2) They have the form of recommendations for international use and they are accepted by the

30、 National Committees in that sense. 3) In order to promote international unification, the IEC expresses the wish that all National Committees should adopt the text of the IEC recommendation for their national rules in so far as national conditions will permit. Any divergence between the IEC recommen

31、dation and the corresponding national rules should, as far as possible, be clearly indicated in the latter. This Technical Report has been prepared by IEC Technical Committee No. 65: Industrial- process measurement and control. The text of this report is based on the following documents: I I 65(C0)4

32、6 I 65(C0)53 Full information on the voting for the approval of this report can be found in the Voting Report indicated in the above table. This report is a Type 1 Technical Report which has been published because it was not possible to achieve satisfactory agreement to publish an International Stan

33、dard. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6- 1081 O CE1 INTRODUCTION Sur les sites loigns, par exemple le long des oloducs de production ou dans les zones dextract

34、ion de gaz ou de ptrole, le gaz du processus associ, lorsquil est disponible, est parfois utilis pour faire fonctionner des instruments pneumatiques, en remplacement de lair comprim. Dans ce cas, il existe potentiellement un danger de formation dune atmosphre gazeuse explosive, la fois lintrieur et

35、autour des instruments, dans la mesure o le gaz alimentant ces instruments est vacu dans latmosphre. II est donc ncessaire de prendre soin que ni linstallation ni les procdures dexploitation des installations quipes dinstruments pneumatiques aliments par le gaz de processus ne puissent conduire des

36、situations dangereuses. II convient dviter, chaque fois que cela est possible, lutilisation du gaz de proces- sus pour la commande des instruments pneumatiques. En ce qui concerne le matriel lectrique install dans des atmosphres gazeuses explo- sives, des prescriptions existent concernant le type de

37、 protection, la classification des zones dangereuses et les techniques dinstallation. Se reporter aux CE1 79-10, CE1 79-14 et aux normes associes pour les types de protection dfinis dans les parties appropries de la CE1 79. Une partie des recommandations dfinies dans les parties de la CE1 79 rfrence

38、s ici est galement applicable aux instruments pneumatiques lorsquils sont commands par du gaz de processus. Ces recommandations ont t prises en compte dans le prsent Rap- port technique lorsquelles taient applicables. Ce rapport ne traite ni des effets de la corrosion dus au gaz de processus sur les

39、 instru- ments pneumatiques ni des dangers potentiels dus aux proprits toxiques du gaz de processus ou aux particules prsentes dans ce gaz. NOTE - Dans certains pays, des rglementations nationales peuvent exister, qui ont priorit sur ce rapport. Copyright International Electrotechnical Commission Pr

40、ovided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1081 O IEC -7- INTRODUCTION In remote locations, e.g. along product pipelines or in oil/gas production fields, the asso- ciated process gas, as available, is sometimes used as the p

41、ower supply for pneumatic instruments, instead of compressed air. In this case, there is the potential danger that explosive gas atmospheres may be formed both inside and around the instruments, since the power supply of these instruments is bled off into the open air. Care should therefore be taken

42、 that neither the installation nor the operating practices in plants which are equipped with pneumatic instruments, driven by associated gas, can cause hazardous situations. The use of associated gas to drive pneumatic instruments should be avoided where feasible. For electrical apparatus installed

43、in explosive gas atmospheres, there are adequate guide- lines with regard to the type of protection , the classification of hazardous zones and instal- lation techniques. Refer to IEC 79-10, IEC 79-14 and the related standards for types of protection as defined in the appropriate parts of IEC 79. Pa

44、rt of the recommendations defined in the IEC 79 series are also applicable for pneu- matic instruments when driven by associated gas. These recommendations have been applied in this Technical Report as appropriate. The corrosive effects, which the associated gas may have on pneumatic instruments, an

45、d the potential dangers of toxic properties and particles present in the associated gas are not covered in this report. NOTE - In some countries national regulations may exist, which pre-empt this report. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot f

46、or ResaleNo reproduction or networking permitted without license from IHS-,-,-8- 10810 CE1 INSTRUMENTS PNEUMATIQUES ALIMENTS PAR LE GAZ DU PROCESSUS ASSOCI - SCURIT DE LINSTALLATION ET PROCDURES DEXPLOITATION - RGLES GNRALES 1 Domaine dapplication Le prsent rapport technique donne des rgles gnrales

47、concernant la scurit de linstallation, et des procdures dexploitation et de maintenance des instruments pneuma- tiques aliments par du gaz de processus. II ne traite pas: - nest pas vacu dans latmosphre, mais reste confin dans le systme; - matiques tels que ceux-ci sont dcrits dans le prsent rapport

48、. des appareils pneumatiques aliments par le gaz de processus, lorsque ce gaz des appareils lectriques, mme sils font partie intgrante dinstruments pneu- NOTE - Pour les appareils lectriques installs dans des atmosphres gazeuses explosives, se reporter la CE1 79-14. 2 Rfrences normatives Les normes suivantes contiennent des dispositions qui, par suite de la rfrence qui y est faite, constituent des dispositions valables pour le p

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