DIN EN ISO 80079-36-2016 Explosive atmospheres - Part 36 Non-electrical equipment for explosive atmospheres - Basic method and requirements (ISO 80079-36 2016) German version EN IS.pdf

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1、December 2016 English price group 31No 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!%T“2599149www.din.deDIN

2、EN ISO 80079-36Explosive atmospheres Part 36: Nonelectrical equipment for explosive atmospheres Basic method and requirements (ISO 8007936:2016);English version EN ISO 8007936:2016,English translation of DIN EN ISO 80079-36:2016-12Explosionsfhige Atmosphren Teil 36: Nichtelektrische Gerte fr den Ein

3、satz in explosionsfhigen Atmosphren Grundlagen und Anforderungen (ISO 8007936:2016);Englische Fassung EN ISO 8007936:2016,Englische bersetzung von DIN EN ISO 80079-36:2016-12Atmosphres explosives Partie 36: Appareils non lectriques destins tre utiliss en atmosphres explosives Mthodologie et exigence

4、s (ISO 8007936:2016);Version anglaise EN ISO 8007936:2016,Traduction anglaise de DIN EN ISO 80079-36:2016-12SupersedesDIN EN 134631:200907See start of applicationwww.beuth.deDocument comprises 95 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be consider

5、ed authoritative.02.17 DIN EN ISO 80079-36:2016-12 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 13463-1:2009-07 there is a transition period ending on 2019-10-31. National foreword This standard includes safety require

6、ments. This document (EN ISO 80079-36:2016) has been prepared by Technical Committee IEC/TC 31 “Explosive atmospheres” in collaboration with Technical Committee CEN/TC 305 “Explosive atmospheres” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was DIN-Normenaussc

7、huss Sicherheitstechnische Grundstze (DIN Standards Committee Safety Design Principles), Working Committee NA 095-02-02 AA Betriebsmittel zur Verwendung in explosionsfhigen Atmosphren. The included ISO/IEC publication has been prepared by IEC/TC 31 “Equipment for explosive atmospheres”. ISO/IEC Comm

8、ittee 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 time, according to the decision of the committee, the publication will be confirmed,

9、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 referred to in this document are as follows: ISO 80079-37 DIN EN ISO 80079-37 ISO/I

10、EC 80079-38 DIN EN IS/IEC 80079-38 IEC 60079-0 DIN EN 60079-0 IEC 60079-1 DIN EN 60079-1 IEC 60079-2 DIN EN 60079-2 IEC 60079-28 DIN EN 60079-28 IEC 60079-31 DIN EN 60079-31 DIN EN ISO 80079-36:2016-12 3 Amendments This standard differs from DIN EN 13463-1:2009-07 as follows: a) In Clause 3, new ter

11、ms have been introduced and terms relating to ignition sources to improve the ignition hazard assessment have been slightly revised; b) in 4.1, the Equipment Protection Level has been introduced instead of the Category as specified in the ATEX Directive; c) in 4.4, dust groups, defined as Groups III

12、A, IIIB and IIIC, have been introduced; d) in 5.1, specifications for instructions for the safe use and maintenance required for the equipment have been specified; e) in 5.2, the wording relating to the formal Ignition hazard identification and assessment has been amended; f) in 5.2.2.1, an introduc

13、tion about what the assessment is to show has been specified; g) in 5.2.2.2, the wording relating to the requirement for EPL Mb equipment has been amended; h) in 6.1, a new note on the risk of ignition due to other ignition sources has been introduced; i) in 6.2.2, the wording relating to the ambien

14、t temperature has been amended; j) in 6.2.3, new notes relating to the option to calculate maximum temperatures and relating to layers of coal dust have been introduced; k) in 6.2.5, a new note on the instructions has been introduced; l) in 6.2.6.1, a new column relating to the requirements for a T5

15、 classification has been introduced; m) in 6.2.6.2, two new notes on the enclosed volume have been introduced; n) in 6.2.6.3, requirements relating to External hot surfaces have been introduced. Previous editions DIN EN 13463-1: 2002-04, 2009-07 DIN EN 13463-1 Corrigendum 1: 2003-06 DIN EN ISO 80079

16、-36:2016-12 4 National Annex NA (informative) Bibliography DIN EN ISO 80079-37, Explosive atmospheres Part 37: Non-electrical equipment for explosive atmospheres Non-electrical type of protection constructional safety “c”, control of ignition sources “b”, liquid immersion “k” DIN EN ISO/IEC 80079-38

17、, Explosive atmospheres Part 38: Equipment and components in explosive atmospheres in underground mines DIN EN 60079-0, Explosive atmospheres Part 0: Equipment General requirements DIN EN 60079-1, Explosive atmospheres Part 1: Equipment protection by flameproof enclosures “d” DIN EN 60079-2, Explosi

18、ve atmospheres Part 2: Equipment protection by pressurized enclosure “p” DIN EN 60079-28, Explosive atmospheres Part 28: Protection of equipment and transmission systems using optical radiation DIN EN 60079-31, Explosive atmospheres Part 31: Equipment dust ignition protection by enclosure “t” EUROPE

19、AN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 80079-36 April 2016 ICS 29.260.20 Supersedes EN 13463-1:2009English Version Explosive atmospheres - Part 36: Non-electrical equipment for explosive atmospheres - Basic method and requirements (ISO 80079-36:2016) Atmosphres explosives - Partie 36: Ap

20、pareils non lectriques destins tre utiliss en atmosphres explosives - Mthodologie et exigences(ISO 80079-36:2016) Explosionsfhige Atmosphren - Teil 36: Nicht-elektrische Gerte fr den Einsatz in explosionsfhigen Atmosphren - Grundlagen und Anforderungen(ISO 80079-36:2016) This European Standard was a

21、pproved by CEN on 18 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 nat

22、ional standards 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 lang

23、uage and notified 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

24、, Hungary, Iceland, 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

25、-CENELEC Management 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 80079-36:2016 ECONTENTS European foreword 6 INTRODUCTION . 9 1 Scope 10 2 Normative references. 15 3 Terms and d

26、efinitions 16 4 EPL and equipment groups 19 4.1 EPL 19 4.2 Group I . 19 4.3 Group II 19 4.4 Group III . 20 4.5 Equipment for specific explosive gas atmospheres . 20 5 Ignition hazard assessment 20 5.1 General requirements 20 5.2 Procedure of ignition hazard assessment . 21 5.2.1 Formal Ignition haza

27、rd identification and assessment 21 5.2.2 Group I equipment assessment 22 5.2.3 Group II and III equipment assessment . 22 5.2.4 Assessment with malfunctions 23 5.2.5 Basic information necessary for the ignition hazard assessments 23 5.2.6 Ignition hazard assessment report 23 6 Assessment of possibl

28、e ignition sources and control means . 24 6.1 General . 24 6.2 Hot surfaces . 24 6.2.1 General . 24 6.2.2 Ambient temperatures 24 6.2.3 Establishing the maximum surface temperature 24 6.2.4 Group I equipment . 25 6.2.5 Group II equipment 25 6.2.6 Special cases for Group I and Group II equipment 26 6

29、.2.7 Group III equipment . 27 6.3 Flames and hot gases (including hot particles) . 27 6.4 Mechanically generated sparks and hot surfaces . 27 6.4.1 General . 27 6.4.2 Assessment of sparks generated by single impacts . 27 6.4.3 Assessment of sparks and hot surfaces generated by friction 29 6.4.4 Exte

30、rnal equipment parts containing light metals. 30 6.5 Electrical ignition sources except stray current . 30 6.6 Stray electric currents, cathodic corrosion protection . 30 6.6.1 Internal sources . 30 6.6.2 External sources 30 6.7 Static electricity. 30 6.7.1 General . 30 6.7.2 Connection facilities f

31、or earthing conducting parts 31 6.7.3 Prevention of highly efficient charge generating mechanisms (leading to propagating brush discharges on non-conductive layers and coatings) 31 DIN EN ISO 80079-36:2016-12 EN ISO 80079-36:2016 (E) 2FOREWORD .7 6.7.5 Equipment group II . 32 6.7.6 Equipment group I

32、II 32 6.8 Adiabatic compression and shock waves . 33 6.9 Exothermic reactions, including self-ignition of dusts 33 7 Additional considerations . 33 7.1 Dust deposits and other material in the gap of moving parts . 33 7.2 Dust deposits and other material in the flame arresters incorporated in the equ

33、ipment . 34 7.3 Opening times of enclosures . 34 7.4 Non-metallic enclosures and non-metallic parts of the equipment . 34 7.4.1 General . 34 7.4.2 Specification of the materials 34 7.4.3 Thermal endurance 34 7.5 Removable parts . 34 7.6 Materials used for cementing . 34 7.7 Light transmitting parts

34、35 7.8 Stored energy . 35 8 Verification and tests . 35 8.1 General . 35 8.2 Determination of the maximum surface temperature . 35 8.2.1 General . 35 8.2.2 Hot Surface Ignition Test 37 8.3 Mechanical tests . 38 8.3.1 Test for resistance to impact 38 8.3.2 Drop test 38 8.3.3 Required results . 38 8.4

35、 Additional tests of non-metallic parts of the equipment relevant for explosion protection 38 8.4.1 Test temperatures 38 8.4.2 Tests for Group I equipment . 38 8.4.3 Tests for Group II and III equipment . 39 8.4.4 Thermal endurance to heat . 39 8.4.5 Thermal endurance to cold . 39 8.4.6 Resistance t

36、o chemical substances for Group I equipment 40 8.4.7 Mechanical resistance tests . 40 8.4.8 Surface resistance test of non-conductive parts of the equipment relevant for explosion prevention and protection . 40 8.4.9 Thermal shock test . 40 9 Documentation 40 9.1 Technical documentation . 40 9.2 Con

37、formity with the documentation 41 9.3 Certificate . 41 9.4 Responsibility for marking . 41 10 Instructions 41 11 Marking . 42 11.1 Location 42 11.2 General . 42 DIN EN ISO 80079-36:2016-12 EN ISO 80079-36:2016 (E) 36.7.4 Equipment group I 31 11.5 Examples of marking . 44 Annex A (informative) Method

38、ology for confirming the EPL . 45 A.1 Methodology for confirming the EPL of Group I 45 A.1.1 EPL Ma 45 A.1.2 EPL Mb 45 A.2 Methodology for confirming the EPL of Group II and III 45 A.2.1 EPL Ga and Da 45 A.2.2 EPL Gb and Db 45 A.2.3 EPL Gc and Dc 45 Annex B (informative) Explanation of the ignition

39、hazard assessment procedure . 46 B.1 Overview. 46 B.1.1 General . 46 B.1.2 Reporting with the help of a table . 46 B.2 Assessment Procedure 46 B.3 Assessment Steps . 47 B.3.1 Identification of Ignition Hazards 47 B.3.2 Determination of measures . 48 B.3.3 Concluding ignition hazard estimation and ca

40、tegorisation 49 B.3.4 Determination of the EPL . 49 Annex C (informative) Examples of ignition hazard assessment 50 C.1 General remarks . 50 C.2 Examples for common cases demonstrating the use of the scheme 50 C.3 Example of an ignition hazard assessment for a pump . 57 C.4 Example of an ignition ha

41、zard assessment for an agitator 61 Annex D (normative) Charging tests with non-conductive materials . 72 D.1 General . 72 D.2 Principle of the test . 72 D.3 Samples and apparatus . 73 D.4 Procedure . 73 D.4.1 Conditioning 73 D.4.2 Determination of the most efficient charging method . 73 Annex E (inf

42、ormative) Consideration of misuse which can reasonably be anticipated during ignition hazard assessment procedure 77 E.1 General . 77 E.2 Identification and analysis of the ignition hazards . 77 E.3 First assessment of the ignition hazards 77 E.4 Determination of safety measures 77 E.5 Final assessm

43、ent of the ignition hazards . 78 Annex F (informative) Development of different types of incendive electrostatic discharges 79 Annex G (normative) Protection concepts of types of protection “d“, “p“ and “t“ acceptable for non-electrical equipment 80 Annex H (informative) Volume dependence of auto-ig

44、nition temperature . 81 DIN EN ISO 80079-36:2016-12 EN ISO 80079-36:2016 (E) 411.3 Warning markings . 43 11.4 Marking on very small equipment . 44 Figure D.1 Rubbing with a pure polyamide cloth . 75 Figure D.2 Discharging the charged surface of the test piece with a probe connected to earth via a 0,

45、1 F capacitor . 75 Figure D.3 Charging by the influence of a DC high voltage power . 76 Figure F.1 Different types of incendive electrostatic discharges 79 Figure H.1 Volume dependence of auto-ignition temperature 82 Table 1 Applicability of specific clauses of IEC 60079-0 11 Table 2 Classification

46、of maximum surface temperatures for Group II equipment . 25 Table 3 Assessment for temperature classification for small surface areas 26 Table 4 Single impact energy limits for EPL Ga 29 Table 5 Single impact energy limits for EPL Gb 29 Table 6 Single impact energy limits for EPL Gc . 29 Table 7 Sin

47、gle impact energy limits for EPL Da, Db and Dc . 29 Table 8 Permitted maximum projected areas for non-conductive parts of equipment liable to become electrostatically charged . 32 Table 9 Thermal endurance test . 39 Table 10 Ambient temperature marking 43 Table 11 Text of warning markings . 43 Table

48、 B.1 Table showing recommended documentation of an example of initial assessment of equipment related ignition sources . 47 Table B.2 Example for reporting of the identification of ignition hazards (step 1) and the first assessment (step 2) . 48 Table B.3 Example for reporting of the determination o

49、f protective measures (step 3) and the concluding estimation and categorisation (step 4) . 49 Table C.1 List of examples .50 Table C.2 Common cases demonstrating the use of the scheme Electrostatic discharge . 51 Table C.3 Common cases demonstrating the use of the scheme Hot surface 53 Table C.4 Common cases demonstrating the use of the scheme Mechanical spark . 55 Table C.5