EN 12882-2015 en Conveyor belts for general purpose use - Electrical and flammability safety requirements《一般用途输送带 电器和可燃性安全要求》.pdf
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1、BSI Standards PublicationBS EN 12882:2015Conveyor belts for generalpurpose use Electricaland flammability safetyrequirementsBS EN 12882:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12882:2015. Itsupersedes BS EN 12882:2008 which is withdrawn.The UK parti
2、cipation in its preparation was entrusted to TechnicalCommittee PRI/67, Conveyor belts.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for it
3、s correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 84179 8ICS 13.220.40; 53.040.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Po
4、licy and Strategy Committee on 31 August 2015.Amendments issued since publicationDate Text affectedBS EN 12882:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12882 August 2015 ICS 53.040.20 Supersedes EN 12882:2008English Version Conveyor belts for general purpose use - Electrical and flam
5、mability safety requirements Courroies transporteuses usage gnral - Prescriptions de scurit lectrique et protection contre linflammabilit Frdergurte fr allgemeine Anwendung - Elektrische und brandtechnische Sicherheitsanforderungen This European Standard was approved by CEN on 27 June 2015. CEN memb
6、ers 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 standards may be obtained on applicati
7、on 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 notified to the CEN-CENELEC Managem
8、ent 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, Iceland, Ireland, Italy, Latvia,
9、Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 1
10、7, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12882:2015 EBS EN 12882:2015EN 12882:2015 (E) 2 Contents Page European foreword .3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .
11、5 4 Safety requirements 6 4.1 General 6 4.2 Electrical conductivity .6 4.3 Flame retardation .6 4.4 Fire simulation .7 4.5 Drum friction 7 5 Safety categories .7 5.1 Category 1 7 5.2 Category 2A 7 5.3 Category 2B 7 5.4 Category 3A 8 5.5 Category 3B 8 5.6 Category 4A 8 5.7 Category 4B 8 5.8 Category
12、5A 8 5.9 Category 5B 9 5.10 Category 5C 9 Annex A (informative) Suggested belt approval / certification options 12 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EC Directive 2006/42/EC . 13 Bibliography . 14 BS EN 12882:2015EN 12882:2015 (E) 3 E
13、uropean foreword This document (EN 12882:2015) has been prepared by Technical Committee CEN/TC 188 “Conveyor belts”, the secretariat of which is held by SNV. This document supersedes EN 12882:2008. This European Standard shall be given the status of a national standard, either by publication of an i
14、dentical text or by endorsement, at the latest by February 2016, and conflicting national standards shall be withdrawn at the latest by February 2016. The main changes with respect to the previous edition are listed below: electrical conductivity test requirements for light conveyor belts have been
15、removed from all categories except 1, 2A and 2B; the requirement for flame retardation testing has been added to category 4A, 4B, 5A, 5B and 5C; alternative fire simulation tests have been added to category 4A, 4B, 5A, 5B and 5C. Attention is drawn to the possibility that some of the elements of thi
16、s 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. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requ
17、irements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard:
18、Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, 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, S
19、weden, Switzerland, Turkey and the United Kingdom. BS EN 12882:2015EN 12882:2015 (E) 4 Introduction This document is a type C standard as stated in EN ISO 12100. The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this do
20、cument. When provisions of this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, for machines that have been designed and built according to the provisions of this ty
21、pe C standard. During the preparation of this European Standard, the hazards which have been identified as being directly related to the use of conveyor belts are: a) hazards associated with the discharge of static electrical energy; b) hazards associated with the impingement of small naked flames o
22、n the cover and/or carcass of a conveyor belt at rest; c) hazards caused by the stalling of a conveyor belt and the continued operation of the driving mechanism causing localized heating of the conveyor belt through contact with the driving drum or cylinder or some other source of frictional heat; d
23、) hazards caused by the propagation of a flame along a belt which has been exposed to a relatively high energy source such as a fire. The risk, or probable rate of occurrence of these hazards and the degree of harm they can cause will vary depending upon the particular circumstances of the applicati
24、on or site of application, which are many and varied. Consequently, the level of safety required will vary from one application to another, depending upon the risks judged to be pertinent. The hazards listed above should not be taken as the only properties affecting safety in operation. Other aspect
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