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    BS EN ISO IEC 80079-20-2-2016 Explosive atmospheres Material characteristics Combustible dusts test methods《爆炸性气体环境 材料特性 可燃性粉尘的试验方法》.pdf

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    BS EN ISO IEC 80079-20-2-2016 Explosive atmospheres Material characteristics Combustible dusts test methods《爆炸性气体环境 材料特性 可燃性粉尘的试验方法》.pdf

    1、BSI Standards PublicationBS EN ISO/IEC 80079-20-2:2016Explosive atmospheresPart 20-2: Material characteristics -Combustible dusts test methodsBS EN ISO/IEC 80079-20-2:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO/IEC 80079-20-2:2016.The UK participati

    2、on in its preparation was entrusted to Technical Committee EXL/23, Explosion and fire precautions in industrial and chemical plant.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisio

    3、ns of a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 86912 9 ICS 29.260.20 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published

    4、 under the authority of the Standards Policy and Strategy Committee on 30 April 2016.Amendments/corrigenda issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO/IEC 80079-20-2 March 2016 ICS 29.260.20 Supersedes EN 61241-2-2:1995English Version Explosive

    5、atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods (ISO/IEC 80079-20-2:2016) Atmosphres explosives - Partie 20-2: Caractristiques des produits - Mthodes dessai des poussires combustibles (ISO/IEC 80079-20-2:2016) Explosionsfhige Atmosphren - Teil 20-2: Werkstoffeigens

    6、chaften - Prfverfahren fr brennbare Stube (ISO/IEC 80079-20-2:2016) This European Standard was approved 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 stan

    7、dard without any alteration. Up-to-date lists and bibliographical references concerning such national 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 a

    8、ny other language made by translation under the responsibility of a CEN member into its own language 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 Rep

    9、ublic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN

    10、 COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-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/IEC 80079-20-2:2

    11、016 EBS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 3 European foreword This document (EN ISO/IEC 80079-20-2:2016) has been prepared by Technical Committee ISO/TMBG “Technical Management Board - groups“ in collaboration with Technical Committee CEN/TC 305 “Potentially explosive atmosphe

    12、res - Explosion prevention and protection” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2016, and conflicting national standards shall be with

    13、drawn at the latest by September 2016. The significant changes with respect to EN 61241-2:1995 are included in Annex ZB “Significant changes with respect to IEC 61241-2-1:1994, IEC 61241-2-2:1993 and IEC 61241-2-3:1994“. This document supersedes EN 61241-2-2:1995. This document has been prepared und

    14、er a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of 2014/34/EU. For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. Extensions to the marking scheme described in

    15、the Directive are found in the ATEX Guidelines published by the European Commission. These are particularly useful for equipment that conforms to more than one category. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or C

    16、ENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Rep

    17、ublic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. End

    18、orsement notice The text of ISO/IEC 80079-20-2:2016 has been approved by CEN as EN ISO/IEC 80079-20-2:2016 without any modification. ii BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E)BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 3 European foreword This document (EN ISO/IEC

    19、 80079-20-2:2016) 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 European Standard sha

    20、ll be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2016, and conflicting national standards shall be withdrawn at the latest by September 2016. The significant changes with respect to EN 61241-2:1995 are included in

    21、 Annex ZB “Significant changes with respect to IEC 61241-2-1:1994, IEC 61241-2-2:1993 and IEC 61241-2-3:1994“. This document supersedes EN 61241-2-2:1995. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports ess

    22、ential requirements of 2014/34/EU. For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. Extensions to the marking scheme described in the Directive are found in the ATEX Guidelines published by the European Commission. These are particularly us

    23、eful for equipment that conforms to more than one category. Attention is drawn to the possibility that some of the elements 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. According to the CEN-CENEL

    24、EC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Ice

    25、land, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO/IEC 80079-20-2:2016 has been approved by CEN as EN ISO/IEC 80079-20-2:2016 wit

    26、hout any modification. BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 4 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2014/34/EU This European Standard has been prepared under a mandate given to CEN by the European Comm

    27、ission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the New Approach Directive 2014/34/EU. Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in at lea

    28、st one Member State, compliance with the clauses of this standard given in table ZA confers, within the limits of the scope of this standard, a presumption of conformity with the corresponding Essential Requirements of that Directive and associated EFTA regulations. Table ZA.1 Correspondence between

    29、 this European Standard and Directive 2014/34/EU Clause(s)/sub-clause(s) of this EN Essential Requirements (ERs) of Directive 2014/34/EU Qualifying remarks/Notes 5, 6, Annex G Annex II, Clause 1.01; 1.0.6a; 1.0.6b; 1.2.1; 1.2.4; 1.5.7 WARNING Other requirements and other EU Directives may be applica

    30、ble to the product(s) falling within the scope of this standard. iii BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E)BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 5 Annex ZB (informative) Significant changes with respect to IEC 61241-2-1:1994, EN 61241-2-2:1993 and IEC 61241

    31、-2-3:1994 This European Standard supersedes IEC 61241-2-1:1994, EN 61241-2-2:1993 and IEC 61241-2-3:1994 Table ZB.1 Significant changes with respect to IEC 61241-2-1:1994, EN 61241-2-2:1993 and IEC 61241-2-3:1994 Type Explanation of the significance of the changes Clause Minor and editorial changes

    32、Extension Major technical changes Normative references 2 X Terms and Definitions 3 X Dust sample Requirements 4 X Combustible Dust Determination 5 X Procedure for Characterisation of combustible dust or combustible flying 6 X Test methods for determination of a combustible dust or a combustible flyi

    33、ng 7 X MIT of a dust cloud 8.1 X MIT of a dust layer 8.2 X MIE of a dust/air mixture 8.3 X Tests on resistivity 8.4 X Measurement of temperature distribution on the surface of the hot plate Annex A X Godbert-Greenwald oven Annex B X Examples of spark-generating systems Annex C X iv BS EN ISO/IEC 800

    34、79-20-2:2016EN ISO/IEC 80079-20-2:2016 (E)BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 5 Annex ZB (informative) Significant changes with respect to IEC 61241-2-1:1994, EN 61241-2-2:1993 and IEC 61241-2-3:1994 This European Standard supersedes IEC 61241-2-1:1994, EN 61241-2-2:1993 and

    35、IEC 61241-2-3:1994 Table ZB.1 Significant changes with respect to IEC 61241-2-1:1994, EN 61241-2-2:1993 and IEC 61241-2-3:1994 Type Explanation of the significance of the changes Clause Minor and editorial changes Extension Major technical changes Normative references 2 X Terms and Definitions 3 X D

    36、ust sample Requirements 4 X Combustible Dust Determination 5 X Procedure for Characterisation of combustible dust or combustible flying 6 X Test methods for determination of a combustible dust or a combustible flying 7 X MIT of a dust cloud 8.1 X MIT of a dust layer 8.2 X MIE of a dust/air mixture 8

    37、.3 X Tests on resistivity 8.4 X Measurement of temperature distribution on the surface of the hot plate Annex A X Godbert-Greenwald oven Annex B X Examples of spark-generating systems Annex C X BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 6 Table ZB.1 (continued) Type Explanation of t

    38、he significance of the changes Clause Minor and editorial changes Extension Major technical changes Vertical tube apparatus Annex D X 20-litre sphere Annex E X BAM oven Annex F X Data for dust explosion characteristics Annex G X 1m3 vessel Annex H X NOTE 1 The technical changes referred to include t

    39、he significant technical changes from the revised EN but this is not an exhaustive list of all modifications from the previous version. Explanations: A) Definitions Minor and editorial changes clarification decrease of technical requirements minor technical change editorial corrections Changes in a

    40、standard classified as Minor and editorial changes refer to changes regarding the previous standard, which modify requirements in an editorial or a minor technical way. Also changes of the wording to clarify technical requirements without any technical change are classified as Minor and editorial ch

    41、anges. A reduction in level of existing requirement is also classified as Minor and editorial changes Extension addition of technical options Changes in a standard classified as extension refers to changes regarding the previous standard, which add new or modify existing technical requirements, in a

    42、 way that new options are given, but without increasing requirements for equipment that was fully compliant with the previous standard. Therefore these extensions will not have to be considered for products in conformity with the preceding edition. Major technical changes addition of technical requi

    43、rements increase of technical requirements v BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E)BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 7 Changes in a standard classified as Major technical change refer to changes regarding the previous standard, which add new or increase

    44、 the level of existing technical requirements, in a way that a product in conformity with the preceding standard will not always be able to fulfil the requirements given in the standard. Major technical changes have to be considered for products in conformity with the preceding edition. For every ch

    45、ange classified as Major Technical Change additional information is provided in clause B) of the Annex ZB. NOTE 2 These changes represent current technological knowledge1. However, these changes should not normally have an influence on equipment already placed on the market. B) Information about the

    46、 background of Major Technical Changes None 1see also ATEX Guideline 10.3 and Annex ZA BS EN ISO/IEC 80079-20-2:2016ISO/IEC 80079-20-2 Edition 1.0 2016-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Explosive atmospheres Part 20-2: Material characteristics Combustible dusts test methods Atmosphres e

    47、xplosives Partie 20-2: Caractristiques des produits Mthodes dessai des poussires combustibles INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 13.230; 29.260.20 ISBN 978-2-8322-3179-1 Warning! Make sure that you obtained this publication from an authorized dis

    48、tributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. vi BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E)BS EN ISO/IEC 80079-20-2:2016EN ISO/IEC 80079-20-2:2016 (E) 7 Changes in a standard classified as Major technical change refer to c

    49、hanges regarding the previous standard, which add new or increase the level of existing technical requirements, in a way that a product in conformity with the preceding standard will not always be able to fulfil the requirements given in the standard. Major technical changes have to be considered for products in conformity with the preceding edition. For every change classified as Major Technical Change additional information is provided in clause B) of the Annex


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