EN ISO 12127-2-2007 en Clothing for protection against heat and flame - Determination of contact heat transmission through protective clothing or constituent materials - Part 2 Tes.pdf
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1、BRITISH STANDARDBS EN ISO 12127-2:2007Clothing for protection against heat and flame Determination of contact heat transmission through protective clothing or constituent materials Part 2: Test method using contact heat produced by dropping small cylindersICS 13.340.10g49g50g3g38g50g51g60g44g49g42g3
2、g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 12127-2:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30
3、May 2008 BSI 2008ISBN 978 0 580 58993 5National forewordThis British Standard is the UK implementation of EN ISO 12127-2:2007.The UK participation in its preparation was entrusted by Technical Committee PH/3, Protective clothing, to Subcommittee PH/3/2, Clothing for protection against heat and flame
4、.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 provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from
5、 legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 12127-2December 2007ICS 13.340.10English VersionClothing for protection against heat and flame - Determination ofcontact heat transmission through protective clothing o
6、rconstituent materials - Part 2: Test method using contact heatproduced by dropping small cylinders (ISO 12127-2:2007)Vtements de protection contre la chaleur et la flamme -Dtermination de la transmission thermique par contact travers les vtements de protection ou leurs matriauxconstitutifs - Partie
7、 2: Mthode dessai utilisant latransmission thermique par contact produite par des petitscylindres compte-gouttes (ISO 12127-2:2007)Schutzkleidung gegen Hitze und Flammen - Bestimmungdes Kontaktwrmedurchgangs durch Schutzkleidung oder -materialien - Teil 2: Durch fallende Zylinder erzeugteKontaktwrme
8、 (ISO 12127-2:2007)This European Standard was approved by CEN on 21 September 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and
9、bibliographical references concerning such nationalstandards may be obtained on application to the CEN 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 translationunder the responsibilit
10、y of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Irel
11、and, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36
12、B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 12127-2:2007: EForeword This document (EN ISO 12127-2:2007) has been prepared by Technical Committee ISO/TC 94 “Personal safety - Protective clothing and equipm
13、ent“ in collaboration with Technical Committee CEN/TC 162 “Protective clothing including hand and arm protection and lifejackets“, 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 endors
14、ement, at the latest by June 2008, and conflicting national standards shall be withdrawn at the latest by June 2008. 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
15、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 requirements of EC Directive(s). For relationship with EC Directive(s), see informative Annex ZA, which is an integra
16、l part of this document. 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
17、Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 12127-2:2007 has been approved by CEN as a EN ISO 12127-2:2007 without any modifica
18、tion. BS EN ISO 12127-2:2008iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body intere
19、sted in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
20、Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the tec
21、hnical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO
22、 shall not be held responsible for identifying any or all such patent rights. ISO 12127-2 was prepared by Technical Committee ISO/TC 94, Personal safety Protective clothing and equipment, Subcommittee SC 13, Protective clothing. ISO 12127 consists of the following parts, under the general title Clot
23、hing for protection against heat and flame Determination of contact heat transmission through protective clothing or constituent materials: Part 1: Test method using contact heat produced by heating cylinder Part 2: Test method using contact heat produced by dropping small cylinders BS EN ISO 12127-
24、2:2008iv Introduction Protective clothing designed to protect the welders is exposed to high-temperature particles generated from the welding point into the welding environment. These hot particles are small splashes of molten metal, sparks and slag. When the small splashes of molten metal are scatt
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