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    IEC 60079-1-2007 爆炸性气体环境用电气设备.第1部分隔爆外壳“d“型.PDF

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    IEC 60079-1-2007 爆炸性气体环境用电气设备.第1部分隔爆外壳“d“型.PDF

    1、 INTERNATIONAL STANDARD IECCEINORME INTERNATIONALE60079-1Sixth editionSixime dition2007-04Explosive atmospheres Part 1: Equipment protection by flameproof enclosures “d” Atmosphres explosives Partie 1: Protection du matriel par enveloppes antidflagrantes d Reference number Numro de rfrence IEC/CEI 6

    2、0079-1:2007 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without

    3、permission in writing from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committe

    4、e for further information. Droits de reproduction rservs. Sauf indication contraire, 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 photocopie et les microfilms, sans laccord crit de la CEI

    5、 ou du Comit national de la CEI du pays du demandeur. Si vous avez des questions sur le copyright de la CEI ou si vous dsirez obtenir des droits supplmentaires sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de la CEI de votre pays de rsidence. IEC Central Offic

    6、e 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmailiec.ch Web: www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About

    7、 IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications: www.iec.ch/searchpub The IEC on-line Catalogue enables you t

    8、o search by a variety of criteria (reference number, text, technical committee,). It also gives information on projects, withdrawn and replaced publications. IEC Just Published: www.iec.ch/online_news/justpub Stay up to date on all new IEC publications. Just Published details twice a month all new p

    9、ublications released. Available on-line and also by email. Customer Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fa

    10、x: +41 22 919 03 00 A propos de la CEI La Commission Electrotechnique Internationale (CEI) est la premire organisation mondiale qui labore et publie des normes internationales pour tout ce qui a trait llectricit, llectronique et aux technologies apparentes. A propos des publications CEI Le contenu t

    11、echnique des publications de la CEI est constamment revu. Veuillez vous assurer que vous possdez ldition la plus rcente, un corrigendum ou amendement peut avoir t publi. Catalogue des publications de la CEI: www.iec.ch/searchpub/cur_fut-f.htm Le Catalogue en-ligne de la CEI vous permet deffectuer de

    12、s recherches en utilisant diffrents critres (numro de rfrence, texte, comit dtudes,). Il donne aussi des informations sur les projets et les publications retires ou remplaces. Just Published CEI: www.iec.ch/online_news/justpub Restez inform sur les nouvelles publications de la CEI. Just Published dt

    13、aille deux fois par mois les nouvelles publications parues. Disponible en-ligne et aussi par email. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients ou

    14、 contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 -,-,- INTERNATIONAL STANDARD IECCEINORME INTERNATIONALE60079-1Sixth editionSixime dition2007-04Explosive atmospheres Part 1: Equipment protection by flameproof enclosures “d” Atmosphres explosives Partie 1: Protection du m

    15、atriel par enveloppes antidflagrantes d For price, see current cataloguePour prix, voir catalogue en vigueur PRICE CODE CODE PRIX XB Commission Electrotechnique InternationaleInternational Electrotechnical Commission -,-,- 2 60079-1 IEC:2007 CONTENTS FOREWORD.5 1 Scope.7 2 Normative references .7 3

    16、Terms and definitions .8 4 Equipment grouping and temperature classification .10 5 Flameproof joints.10 5.1 General requirements.10 5.2 Non-threaded joints.11 5.3 Threaded joints .17 5.4 Gaskets (including O-rings) .18 5.5 Equipment using capillaries.19 6 Cemented joints .20 6.1 General .20 6.2 Mech

    17、anical strength .20 6.3 Width of cemented joints .20 7 Operating rods .20 8 Supplementary requirements for shafts and bearings .20 8.1 Joints of shafts.20 8.2 Bearings.23 9 Light-transmitting parts.23 10 Breathing and draining devices which form part of a flameproof enclosure .24 10.1 Openings for b

    18、reathing or draining .24 10.2 Composition limits .24 10.3 Dimensions .24 10.4 Elements with measurable paths .24 10.5 Elements with non-measurable paths .24 10.6 Removable devices .25 10.7 Mounting arrangements of the elements.25 10.8 Mechanical strength .25 10.9 Breathing devices and draining devic

    19、es when used as Ex components.25 11 Fasteners, associated holes and blanking elements .28 12 Materials and mechanical strength of enclosures Materials inside the enclosures.30 13 Entries for flameproof enclosures .31 13.1 Cable glands .31 13.2 Conduit sealing devices.32 13.3 Plugs and sockets and ca

    20、ble couplers.32 13.4 Bushings .33 14 Verification and tests.33 15 Type tests .34 15.1 Tests of ability of the enclosure to withstand pressure.35 15.2 Test for non-transmission of an internal ignition .38 15.3 (Reserved for future use) .41 15.4 Tests of flameproof enclosures with breathing and draini

    21、ng devices.42 60079-1 IEC:2007 3 16 Routine tests .44 17 Switchgear for group I .45 17.1 Means of isolation .45 17.2 Doors or covers.45 18 Lampholders and Iamp caps.46 18.1 Device preventing lamps working loose .46 18.2 Holders and caps for lamps with cylindrical caps .46 18.3 Holders for lamps with

    22、 threaded caps.46 19 Non-metallic enclosures and non-metallic parts of enclosures .46 19.1 (Reserved for future use) .47 19.2 Special constructional requirements .47 19.3 Supplementary requirements for type tests.47 20 Marking .48 20.1 General .48 20.2 Caution and warning markings .48 20.3 Informati

    23、ve markings .48 Annex A (normative) Additional requirements for crimped ribbon elements and multiple screen elements of breathing and draining devices .49 Annex B (normative) Additional requirements for elements, with non-measurable paths, of breathing and draining devices .50 B.1 Sintered metal ele

    24、ments.50 B.2 Pressed metal wire elements.50 B.3 Metal foam elements .51 Annex C (normative) Additional requirements for flameproof entry devices .52 C.1 General .52 C.2 Constructional requirements.52 C.3 Type tests .54 Annex D (normative) Empty flameproof enclosures as Ex components.59 D.1 General .

    25、59 D.2 Introductory remarks .59 D.3 Ex component enclosure requirements .59 D.4 Utilization of an Ex component enclosure certificate to prepare an equipment certificate .61 Annex E (normative) Cells and batteries used in flameproof “d” enclosures .62 E.1 Introductory remarks .62 E.2 Acceptable elect

    26、rochemical systems .62 E.3 General requirements for cells (or batteries) inside flameproof enclosures .63 E.4 Arrangement of safety devices .63 E.5 Recharging of secondary cells inside flameproof enclosures .65 E.6 Rating of protection diodes and reliability of protection devices .66 Annex F (informative) Mechanical properties for screws and nuts .67 Annex G (informative) Introduction of an alternative risk assessment method encompassing “equipment protection levels for Ex equipment .68 G.0 Introduction .68 G.1 Historical background.68 G.2 General .


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