BS EN 60079-5-2015 Explosive atmospheres Equipment protection by powder filling q 《爆炸性环境 第5部分 q 型粉末填充防护设备》.pdf

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1、BSI Standards PublicationExplosive atmospheresPart 5: Equipment protection by powder filling “q”BS EN 60079-5:2015National forewordThis British Standard is the UK implementation of EN 60079-5:2015. It is identical to IEC 60079-5:2015. It supersedes BS EN 60079-5:2007 which is withdrawn.The UK partic

2、ipation in its preparation was entrusted to TechnicalCommittee EXL/31, Equipment for explosive atmospheres.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users ar

3、e responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 79835 1ICS 29.260.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theSt

4、andards Policy and Strategy Committee on 31 May 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60079-5:2015EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 60079-5 April 2015 ICS 29.260.20 Supersedes EN 60079-5:2007 English Version Explosive atmospheres -

5、 Part 5: Equipment protection by powder filling “q“ (IEC 60079-5:2015) Atmosphres explosives - Partie 5: Protection du matrielpar remplissage pulvrulent “q“ (IEC 60079-5:2015) Explosionsgefhrdete Bereiche - Teil 5: Gerteschutz durch Sandkapselung “q“ (IEC 60079-5:2015) This European Standard was app

6、roved by CENELEC on 2015-03-24. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nat

7、ional standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its

8、own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedoni

9、a, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen

10、 de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60079-5:2015 E EN 60079-5:2015

11、- 2 - Foreword The text of document 31/1156/FDIS, future edition 4 of IEC 60079-5, prepared by IEC/TC 31 “Equipment for explosive atmospheres“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60079-5:2015. The following dates are fixed: latest date by which the document h

12、as to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-12-24 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-03-24 This document supersedes EN 60079-5:2007. Attention is drawn to t

13、he possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European

14、Free Trade Association, and supports essential requirements of EU Directive. For the relationship with EU Directive see informative Annex ZZ, which is an integral part of this document. Endorsement notice The text of the International Standard IEC 60079-5:2015 was approved by CENELEC as a European S

15、tandard without any modification. IEC 60050 (series) NOTE Harmonized as EN 60050 (series). IEC 60664-1:2007 NOTE Harmonized as EN 60664-1:2007. IEC 60079 (series) NOTE Harmonized as EN 60079. (series) IEC 61140 NOTE Harmonized as EN 61140. IEC 60747-5-5 NOTE Harmonized as EN 60747-5-5. BS EN 60079-5

16、:2015- 3 - EN 60079-5:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references,

17、 only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information

18、 on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60079-0 - Explosive atmospheres - Part 0: Equipment - General requirements - - IEC 60079-7 - Explosive atmospheres - Part 7: Equipment protection by increas

19、ed safety “e“ EN 60079-7 - IEC 60079-11 - Explosive atmospheres - Part 11: Equipment protection by intrinsic safety “i“ EN 60079-11 - IEC 60127 series Miniature fuses EN 60127 series IEC 60529 - Degrees of protection provided by enclosures (IP Code) - - IEC 61558-1 - Safety of power transformers, po

20、wer supplies, reactors and similar products - Part 1: General requirements and tests EN 61558-1 - +EN 61558-1:2005/corrigendum Aug. 2006 2006 IEC 61558-2-6 - Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-6: Particular requirement

21、s and tests for safety isolating transformers and power supply units incorporating safety isolating transformers EN 61558-2-6 - ISO 2591-1 - Test sieving - Part 1: Methods using test sieves of woven wire cloth and perforated metal plate - - ISO 2859-1 - Sampling procedures for inspection by attribut

22、es - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection - - ISO 3310-1 - Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth - - ISO 3310-2 - Test sieves - Technical requirements and testing - Part 2: Test sieves of per

23、forated metal plate - - BS EN 60079-5:2015EN 60079-5:2015 - 4 - Annex ZZ (informative) Coverage of Essential Requirements of EC Directives This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and within its scope

24、 the standard covers only the following essential requirements out of those given in Annex II of the EC Directive 94/9/EC: ER 1.0.1, ER 1.0.2, ER 1.0.3, ER 1.0.5, ER 1.0.6 (partly) ER 1.1 (partly) ER 1.2.1 (partly), ER 1.2.2 (partly), ER 1.2.3 (partly), ER 1.2.5 (partly), ER 1.2.6 (partly), ER 1.2.7

25、 (partly), ER 1.2.8 ER 1.3.1 ER 1.4.1 (partly), ER 1.4.2 (partly) ER 1.5.1, ER 1.5.3 ER 1.6.4 ER 2.0.1.3 ER 2.0.2.1, ER 2.0.2.3 (partly) ER 2.1.1.2 ER 2.1.2.3 ER 2.2.1.1, ER 2.2.1.2 ER 2.2.2.1, ER 2.2.2.2 ER 2.3.1.2 Compliance with this standard provides one means of conformity with the specified es

26、sential requirements of the Directives concerned. WARNING: Other requirements and other EC Directives may be applicable to the products falling within the scope of this standard. BS EN 60079-5:2015 2 IEC 60079-5:2015 IEC 2015 CONTENTS FOREWORD . 4 1 Scope 6 2 Normative references. 6 3 Terms and defi

27、nitions 7 4 Constructional requirements 7 4.1 Containers 7 4.1.1 Closing and sealing 7 4.1.2 Pressure test of container 8 4.1.3 Degree of protection of the container 8 4.1.4 Filling procedure 8 4.1.5 Containers that are not external enclosures 8 4.2 Filling material 9 4.2.1 Material specification .

28、9 4.2.2 Documentation . 9 4.2.3 Testing 9 4.3 Distances 9 4.3.1 Distances through filling material 9 4.3.2 Distances surrounding free space . 11 4.4 Connections 12 4.4.1 Equipment . 12 4.4.2 Ex Components . 12 4.5 Capacitors 12 4.6 Cells and batteries 12 4.7 Temperature limitations under overload co

29、nditions . 12 4.8 Temperature limitations under malfunction conditions 12 4.8.1 General . 12 4.8.2 Fuse 12 4.8.3 Malfunction exclusions . 13 4.8.4 Protective devices for temperature limitation . 16 4.8.5 Power supply prospective short-circuit current 16 5 Verifications and tests . 16 5.1 Type verifi

30、cations and tests . 16 5.1.1 Pressure type test of container . 16 5.1.2 Verification of the degree of protection of the enclosure 17 5.1.3 Dielectric strength test of the filling material . 17 5.1.4 Maximum temperatures 17 5.2 Routine verifications and tests . 18 5.2.1 Routine pressure test of conta

31、iner 18 5.2.2 Dielectric strength test of the filling material . 18 6 Marking . 19 7 Instructions 20 Bibliography . 21 BS EN 60079-5:2015IEC 60079-5:2015 IEC 2015 3 Figure 1 Distances through filling material 11 Figure 2 Test arrangement for the dielectric strength test of the filling material . 19

32、Table 1 Distances through the filling material 10 Table 2 Creepage distances and distances through filling material 15 BS EN 60079-5:2015 4 IEC 60079-5:2015 IEC 2015 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ EXPLOSIVE ATMOSPHERES Part 5: Equipment protection by powder filling “q” FOREWORD 1) The I

33、nternational Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and e

34、lectronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical commi

35、ttees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for

36、 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee

37、has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accu

38、rate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and region

39、al publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in s

40、ome areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents

41、 including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or

42、 reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of

43、the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60079-5 has been prepared by IEC technical committee 31: Equipment for explosive atmospheres. This fourth edition canc

44、els and replaces the third edition, published in 2007, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: NOTE The technical changes referred to include the significant technical changes in the revised IEC sta

45、ndard, but they do not form an exhaustive list of all modifications from the previous edition. More guidance may be found by referring to the redline version of the IEC standard, if available. BS EN 60079-5:2015IEC 60079-5:2015 IEC 2015 5 Type Significant changes Clause/subclause Minor and editorial

46、 changes Extension Major technical changes Specific references to IEC 60079-0 have been reworded so the references to IEC 60079-0 can be non-dated references 4.1.3 4.8 4.8.3 X The “housing” surrounding the powder filled equipment or Ex Component has been redefined as a “container” to avoid confusion

47、 with the “enclosure” requirements of IEC 60079-0 4.1 X A relaxation has been introduced to permit reduced distances through filling material for instances where there is no adjacent gap in the container 4.3.1 X A relaxation has been introduced to permit the use of creepage dimensions per IEC 60079-

48、7 where CTI is better than 175 4.8.3 X An evaluation of joints employed when the reduced distances according to Table 1 are applied, has been added. 5.1.1 X Text for determination of maximum temperature clarified with respect to overloads and malfunctions 5.1.4 X A batch routine test has been introd

49、uced 5.2.1 X The text of this standard is based on the following documents: FDIS Report on voting 31/1156/FDIS 31/1171/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The list of all parts of IEC 60079 series, under the general title Explosive atmospheres, can be found on the IEC website. The com

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