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UL 60079-5-2016 UL Standard for Safety Explosive Atmospheres C Part 5 Equipment protection by powder filling q (Fourth Edition).pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60079-5 Explosive Atmospheres Part 5: Equipment protection by powder lling q STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMIS

2、SION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Explosive Atmospheres Part 5: Equipment protection by powder lling q , UL 60079-5 Fourth Edition, Dated April 29, 2016 Summary of Topics Adoption of IEC 6

3、0079-5, Explosive Atmospheres - Part 5: Equipment Protection by Powder Filling q (fourth edition issued by IEC February 2015) as a new IEC-based UL standard, UL 60079-5 with US Differences. The requirements are substantially in accordance with Proposal(s) on this subject dated January 29, 2016. All

4、rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either exp

5、ressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arisin

6、g out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the

7、electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic S

8、tandard on the purchasers computer system. APRIL 29, 2016 UL 60079-5 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 29, 2016 UL 60079-5 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DIST

9、RIBUTION WITHOUT PERMISSION FROM UL APRIL 29, 2016 1 UL 60079-5 Standard for Explosive atmospheres Part 5: Equipment protection by powder lling “q” First Edition December, 2002 Second Edition March, 2007 Third Edition July, 2009 Fourth Edition April 29, 2016 This ANSI/UL Standard for Safety consists

10、 of the Fourth Edition. The most recent designation of ANSI/UL 60079-5 as an American National Standard (ANSI) occurred on April 29, 2016. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page or Preface. The National Difference Page and IEC Foreword are also ex

11、cluded from the ANSI approval of IEC-based standards. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for

12、 Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2016 UNDERWRITERS LABORATORIES INC.

13、 ANSI/UL 60079-5-2016UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 29, 2016 UL 60079-5 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface

14、(UL) 4 National Differences 6 FOREWORD 7 1 Scope .9 2 Normative references 9 3 Terms and denitions 10 4 Constructional requirements .11 4.1 Containers 11 4.2 Filling material 12 4.3 Distances 13 4.4 Connections 15 4.5 Capacitors 15 4.6 Cells and batteries .15 4.7 Temperature limitations under overlo

15、ad conditions .16 4.8 Temperature limitations under malfunction conditions 16 5 Verications and tests 20 5.1 Type verications and tests .20 5.2 Routine verications and tests 22 6 Marking .24 7 Instructions 24 Bibliography APRIL 29, 2016 UL 60079-5 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

16、REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface (UL) This UL Standard is based on IEC Publication 60079-5: fourth edition Explosive atmospheres Part 5: Equipment protection by powder lling “q”. IEC publication 60079-5 is copyrighted by the IEC. The text, gures and tables of IEC Publi

17、cation Explosive atmospheres Part 5: Equipment protection by powder lling “q”, IEC 60079-5, copyright February 2015 are used in this Standard with the consent of the IEC and the American National Standards Institute (ANSI). The IEC copyrighted material has been reproduced with permission from ANSI.

18、ANSI should be contacted regarding the reproduction of any portion of the IEC material. The IEC Foreword and Introduction are not a part of the requirements of this Standard but are included for information purposes only. Copies of IEC Publication 60079-5 may be purchased from ANSI, 11 West 42nd Str

19、eet, New York, New York, 10036, (212) 642-4900. Note Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose. The following people

20、served as members of STP 60079 and participated in the review of this standard: NAME COMPANY T. Schnaare, Chair Rosemount Inc. *T. Adam FM Approvals LLC R. Allen Honeywell Inc. D. Ankele UL LLC S. Bihler CML Ex Inc. S. Blais Appleton Group K. Boegli KBB Consulting R. Brownlee Pepperl + Fuchs Inc. D.

21、 Burns Shell P any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and nongovernmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organizat

22、ion for 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 com

23、mittee 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

24、is accurate, 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

25、 regional 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 certication bodies provide conformity assessment services and,

26、 in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certication 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 age

27、nts 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,

28、 or 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

29、of 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 c

30、ancels and replaces the third edition, published in 2007, and constitutes a technical revision. This edition includes the following signicant technical changes with respect to the previous edition: APRIL 29, 2016 UL 60079-5 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBU

31、TION WITHOUT PERMISSION FROM UL NOTE The technical changes referred to include the signicant technical changes in the revised IEC standard, but they do not form an exhaustive list of all modications from the previous edition. More guidance may be found by referring to the redline version of the IEC

32、standard, if available. Type Signicant changes Clause/subclause Minor and editorial changes Extension Major technical changes Specic 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 lled e

33、quipment or Ex Component has been redened as a “container” to avoid confusion with the “enclosure” requirements of IEC 60079-0 4.1 X A relaxation has been introduced to permit reduced distances through lling material for instances where there is no adjacent gap in the container 4.3.1 X A relaxation

34、has been introduced to permit the use of creepage dimensions per IEC 60079-7 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 claried with respect t

35、o overloads and malfunctions 5.1.4 X A batch routine test has been introduced 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 in

36、dicated 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 committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under http:/webstore.iec.ch in the data related to the specic publication. At this date, the publication will be reconrmed; withdrawn; replaced by a revised edition, or amended. APRIL 29, 2016 UL 60079-5 8

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