DIN EN ISO 80079-37-2016 Explosive atmospheres - Part 37 Non-electrical equipment for explosive atmospheres - Non-electrical type of protection constructional safety c control of i.pdf

1、December 2016 English price group 22No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 13.230!%U“2599150www.din.deDIN

2、EN ISO 80079-37Explosive atmospheres Part 37: Nonelectrical equipment for explosive atmospheres Nonelectrical type of protection constructional safety c , control of ignition sources b , liquid immersion k (ISO 8007937:2016);English version EN ISO 8007937:2016,English translation of DIN EN ISO 80079

3、-37:2016-12Explosionsfhige Atmosphren Teil 37: Nichtelektrische Gerte fr den Einsatz in explosionsfhigen Atmosphren Schutz durch konstruktive Sicherheit c , Zndquellenberwachung b , Flssigkeitskapselung k (ISO 8007937:2016);Englische Fassung EN ISO 8007937:2016,Englische bersetzung von DIN EN ISO 80

4、079-37:2016-12Atmosphres explosives Partie 37: Appareils non lectriques destins tre utiliss en atmosphres explosives Mode de protection non lectrique par scurit de construction c , par contrle de la source dinflammation b , par immersion dans un liquide k (ISO 8007937:2016);Version anglaise EN ISO 8

5、007937:2016,Traduction anglaise de DIN EN ISO 80079-37:2016-12SupersedesDIN EN 134635:201110,DIN EN 134636:200507 andDIN EN 134638:200401See start of applicationwww.beuth.deDocument comprises 60 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considere

6、d authoritative.02.17“ ”“ ”“ ”“ ”“ ”“ ”“ ”“ ”“ ”DIN EN ISO 80079-37:2016-12 2 A comma is used as the decimal marker. Start of application The start of application of this standard is 2016-12-01. For DIN EN 13463-5:2011-10, DIN EN 13463-6:2005-07 and DIN EN 13463-8:2004-01, there is a transition peri

7、od ending on 2019-10-31. National foreword This standard includes safety requirements. This document (EN ISO 80079-37:2016) has been prepared by Technical Committee IEC/TC 31 “Equipment for explosive atmospheres” in collaboration with Technical Committee CEN/TC 305 “Explosive atmospheres” (Secretari

8、at: DIN, Germany). The responsible German body involved in its preparation was DIN-Normenausschuss Sicherheitstechnische Grundstze (DIN Standards Safety Design Principles), Working Committee NA 095-02-02 AA Betriebsmittel zur Verwendung in explosionsfhigen Atmosphren. The included ISO/IEC publicatio

9、n was prepared by IEC/TC 31 “Equipment for explosive atmospheres”. The ISO/IEC Committee has decided that the content of this publication shall remain unchanged up to the date mentioned with this publication on the IEC website (maintenance result date), available at http:/webstore.iec.ch. At that ti

10、me, according to the decision of the committee, the publication is confirmed, withdrawn, replaced by a new edition or amended. We kindly ask that you also give DIN any comments you may have on the wording of the German translation. The DIN Standards corresponding to the International Standards refer

11、red to in this document are as follows: ISO 281 DIN ISO 281 ISO 4413 DIN EN ISO 4413 ISO 4414 DIN EN ISO 4414 ISO 9653 DIN EN ISO 9653 ISO 80079-36 DIN EN ISO 80079-36 IEC 60079-0 DIN EN 60079-0 IEC 60079-20-1 DIN EN 60079-20-1 (VDE 0170-20-1) IEC 60529 DIN EN 60529 (VDE 0470-1) DIN EN ISO 80079-37:

12、2016-12 3 Amendments This standard differs from DIN EN 13463-5:2011-10, DIN EN 13463-6:2005-07 and DIN EN 13463-8:2004-01 as follows: a) In Clauses 3 and 4, new terms have been introduced and terms concerning ignition sources to improve the ignition hazard assessment have been slightly revised; b) i

13、n 5.2.2, requirements for ingress prevention for dust and liquids have been differentiated; c) the note in subclause 5.3.3 has been integrated in the normative text; d) Note 2 in 5.5 has been deleted and transferred to 5.6; e) in 5.6.3, further measures have been added; f) in 5.7.1, the wording conc

14、erning information to be given in the instructions has been amended; g) in 5.7.2, the wording concerning information to be given in the instructions has been amended; h) in 5.8.2.2, a new note concerning electrostatic requirements has been added; i) in 5.8.2.5, the wording has been amended; j) 5.10

15、has been amended to clarify the dependency of requirements; k) 5.11.1 has been amended to clarify the dependency of requirements; l) in 5.13.3, a new note has been added; m) in 7.3.4, an additional example has been included; n) in Clause 10, new definitions for marking have been introduced. Previous

16、 editions DIN EN 13463-8: 2004-01 DIN EN 13463-5: 2004-03, 2011-10 DIN EN 13463-6: 2005-07 DIN EN ISO 80079-37:2016-12 4 National Annex NA (informative) Bibliography DIN EN 60079-0 (VDE 0170-1-3), Explosive atmospheres Part 0: Equipment General requirements DIN EN 60079-20-1 (VDE 0170-20-1), Explosi

17、ve atmospheres Part 20-1: Material characteristics for gas and vapour classification Test methods and data DIN EN 60529 (VDE 0470-1), Degrees of protection provided by enclosures (IP code) DIN EN ISO 4413, Hydraulic fluid power General rules and safety requirements for systems and their components D

18、IN EN ISO 4414, Pneumatic fluid power General rules and safety requirements for systems and their components DIN EN ISO 9653, Adhesives Test method for shear impact strength of adhesive bonds DIN EN ISO 80079-36, Explosive atmospheres Part 36: Non-electrical equipment for explosive atmospheres Basic

19、 method and requirements DIN ISO 281, Rolling bearings Dynamic load ratings and rating life EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 80079-37 April 2016 ICS 29.260.20 Supersedes EN 13463-5:2011, EN 13463-6:2005, EN 13463-8:2003English Version This European Standard was approved by CE

20、N on 8 February 2016. CEN 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 national standard

21、s may be obtained on application to the CEN-CENELEC Management Centre or to any CEN 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 CEN member into its own language and notif

22、ied to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Ice

23、land, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Manag

24、ement Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 80079-37:2016 EExplosive atmospheres Part 37: Nonelectrical equipment for explosive atmospheres Nonelectrical type of protecti

25、on constructional safety “c”, control of ignition sources “ b” , liquid immersion “k” (ISO 8007937:2016) Explosionsfhige Atmosphren Teil 37: Nichtelektrische Gerte fr den Einsatz in explosionsfhigen Atmosphren Schutz durch konstruktive Sicherheit “c”, Zndquellenberwachung “ b”, Flssigkeitskapselung

26、“k ” (ISO 8007937:2016) Atmosphres explosives Partie 37: Appareils non lectriques destins tre utiliss en atmosphres explosives Mode de protection non lectrique par scurit de construction “c ”, par contrle de la source dinflammation “b”, par immersion dans un liquide “k ” (ISO 8007937:2016); CONTENTS

27、 FOREWORD . 6 1 Scope 8 2 Normative references. 8 3 Terms and definitions 9 4 Determination of suitability . 10 5 Requirements for equipment with Type of Protection constructional safety “c” . 10 5.1 General requirements 10 5.2 Ingress protection . 11 5.2.1 General . 11 5.2.2 Ingress protection in s

28、pecial cases . 11 5.3 Seals for moving parts . 11 5.3.1 Unlubricated gaskets, seals, sleeves, bellows and diaphragms . 11 5.3.2 Stuffing box seals (packed glands) . 12 5.3.3 Lubricated seals . 12 5.4 Equipment lubricants, coolants and fluids 12 5.5 Vibration . 12 5.6 Requirements for moving parts 12

29、 5.6.1 General . 12 5.6.2 Clearance 13 5.6.3 Lubrication . 13 5.7 Requirements for bearings 13 5.7.1 General . 13 5.7.2 Lubrication . 14 5.7.3 Chemical compatibility . 14 5.8 Requirements for power transmission systems . 15 5.8.1 Gear drives 15 5.8.2 Belt drives . 15 5.8.3 Chain drives. 16 5.8.4 Oth

30、er drives . 16 5.8.5 Hydrostatic, hydrokinetic and pneumatic equipment 16 5.9 Requirements for clutches and variable speed couplings 17 5.9.1 General . 17 5.9.2 Slipping . 17 5.9.3 Friction 18 5.10 Flexible couplings . 18 5.11 Requirements for brakes and braking systems . 18 5.11.1 Brakes used only

31、for stopping in emergency . 18 5.11.2 Service brakes (including friction brakes and fluid based retarders) . 19 5.11.3 Parking brakes . 19 5.12 Requirements for springs and absorbing elements . 19 5.13 Requirements for conveyor belts . 19 5.13.1 Electrostatic requirements 19 5.13.2 Materials 19 5.13

32、.3 Belt tension 19 5.13.4 Alignment 20 5.13.5 Earthing and bonding . 20 DIN EN ISO 80079-37:2016-12EN ISO 80079-37:2016 (E) 2European foreword 5 6 Requirements for equipment with Type of Protection control of ignition source “b” . 20 6.1 General . 20 6.2 Determination of the control parameters 20 6.

33、2.1 General . 20 6.2.2 Determination of the safety critical values . 21 6.3 Ignition prevention system design and settings 21 6.3.1 Determining the performance requirements or operating characteristics 21 6.3.2 Instructions 21 6.3.3 System lockout 21 6.3.4 Operator intervention . 22 6.4 Ignition pro

34、tection of sensors and actuators . 22 6.5 Ignition protection types 22 6.5.1 Ignition protection type b1 22 6.5.2 Ignition protection type b2 22 6.5.3 Application of ignition protection types 23 6.5.4 Requirements for ignition protection types 24 6.5.5 Programmable electronic devices . 24 7 Requirem

35、ents for equipment with Type of Protection liquid immersion “k” 24 7.1 Determination of the maximum / minimum criteria 24 7.2 Protective liquid 25 7.3 Equipment construction . 25 7.3.1 General . 25 7.3.2 Working angle 25 7.3.3 Measures to ensure effectiveness of liquid . 25 7.3.4 Accidental loosenin

36、g 26 7.3.5 Level monitoring 26 7.3.6 Loss of liquid . 26 7.3.7 Open equipment 27 8 Type tests . 27 8.1 Type tests for equipment with Type of Protection constructional safety “c” 27 8.2 Type tests for equipment with Type of Protection control of ignition source “b” 27 8.2.1 Determination of control p

37、arameters . 27 8.2.2 Function and accuracy check of the ignition protection system 27 8.3 Type tests for equipment with Type of Protection liquid immersion “k” 27 8.3.1 General . 27 8.3.2 Increased pressure test on enclosed equipment having a sealed enclosure that contains static, or flowing protect

38、ive liquid . 27 8.3.3 Overpressure test on enclosed equipment having a vented enclosure . 27 9 Documentation 27 9.1 Documentation for equipment with Type of Protection constructional safety “c” . 27 9.2 Documentation for equipment with Type of Protection control of ignition sources “”b” 28 9.3 Docum

39、entation for equipment with Type of Protection liquid immersion “k” . 28 10 Marking . 29 10.1 General . 29 10.2 Safety devices 29 DIN EN ISO 80079-37:2016-12EN ISO 80079-37:2016 (E) 3 Annex A (informative) Approach and application: equipment with Type of Protection “c” 30 A.1 General remarks regardi

40、ng ignition hazard assessment 30 A.2 Stuffing box seal (see Table A.2) . 30 A.3 Slide ring seal . 32 A.4 Radial seal 37 A.5 Belt drives . 41 Annex B (normative) Test requirements 43 B.1 “Dry run“ type test for lubricated sealing arrangements 43 B.2 Type test for determining the maximum engaging time

41、 of clutch assembly 43 B.2.1 Apparatus 43 B.2.2 Procedure 44 Annex C (informative) Methodology: equipment with Type of Protection “b” . 45 Annex D (informative) Approach to assign the required ignition protection type used for equipment to achieve different EPL 46 D.1 For EPL Gc and Dc . 46 D.2 For

42、EPL Gb and Db . 46 D.3 For EPL Mb . 46 D.4 For EPL Ga and Da . 47 Annex E (informative) Information on functional safety concept . 48 E.1 ISO 13849-1 . 48 E.2 IEC 61508-1 48 E.3 IEC 62061 . 48 E.4 Reliability according to functional safety standards 48 Bibliography . 55 Figure C.1 Flow diagram of th

43、e procedures described in this document . 45 Table 1 Minimum ignition protection types required when Ex “b” is selected to achieve the intended EPL for Group II and III equipment 23 Table 2 Minimum ignition protection types required when Ex “b” is selected to achieve the intended EPL for Group I equ

44、ipment . 24 Table A.1 List of examples for some of the thought processes and principles used 30 Table A.2 Stuffing box seal 31 Table A.3 Slide ring seal 33 Table A.4 Radial seal . 38 Table A.5 Belt drives 42 Table E.1 Application of ignition protection type 49 Annex ZA (informative) Relationship bet

45、ween this European Standard and the Essential Requirements of EU Directive 2014/34/EU 50 Annex ZB (informative) Significant changes between this European Standard and EN 13463-5:2011, EN 13463-6:2005 and EN 13463-8:2003. 52 DIN EN ISO 80079-37:2016-12EN ISO 80079-37:2016 (E) 4 European foreword This

46、 document (EN ISO 80079-37:2016) has been prepared by Technical Committee ISO/TMBG “Technical Management Board - groups“ in collaboration with Technical Committee CEN/TC 305 “Potentially explosive atmospheres - Explosion prevention and protection” the secretariat of which is held by DIN. This Europe

47、an Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2016, and conflicting national standards shall be withdrawn at the latest by October 2016. Attention is drawn to the possibility that some of the eleme

48、nts of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. The significant changes with respect to EN 13463-5:2011, EN 13463-6:2005 and EN 13463-8:2003 are included in Annex ZB “Significant changes between this European Standard and EN 13463-5:2011, EN 13463-6:2005 and EN 13463-8:2003“. This document supersedes EN 13463-5:2011, EN 13463-6:2005, EN 13463-8:2003. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, a