CEN TR 14473-2014 Transportable gas cylinders - Porous materials for acetylene cylinders《气瓶 乙炔气瓶用多孔材料》.pdf
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1、BSI Standards PublicationTransportable gas cylinders Porous materials for acetylenecylindersPD CEN/TR 14473:2014National forewordThis Published Document is the UK implementation of CEN/TR 14473:2014.It supersedes PD CR 14473:2002 which is withdrawn.The UK participation in its preparation was entrust
2、ed by TechnicalCommittee PVE/3, Gas containers, to Subcommittee PVE/3/7, Gas containers - Gas cylinder (receptacle) operations.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of
3、a contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 77508 6ICS 23.020.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was published under
4、the authority of theStandards Policy and Strategy Committee on 30 June 2014. Amendments/corrigenda issued since publicationDate Text affectedPUBLISHED DOCUMENTPD CEN/TR 14473:2014TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 14473 March 2014 ICS 23.020.30 Supersedes CR 14473:2002Engl
5、ish Version Transportable gas cylinders - Porous materials for acetylene cylinders Bouteilles gaz transportables - Matires poreuses pour bouteilles actylne Ortsbewegliche Gasflaschen - Porse Materialien fr Acetylenflaschen This Technical Report was approved by CEN on 6 January 2014. It has been draw
6、n up by the Technical Committee CEN/TC 23. 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, Lithuania, Lux
7、embourg, 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 17, B-1000 Brus
8、sels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 14473:2014 EPD CEN/TR 14473:2014CEN/TR 14473:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Source and nature of the data about the listed porous materi
9、als 5 3 Country codes 5 4 Data for porous materials for individual acetylene cylinders type tested in accordance with EN ISO 38076 5 Data for porous materials for individual acetylene cylinders and that are type approved based on national regulations . 10 6 Data for porous materials for acetylene cy
10、linders used in bundles and that are type approved according to national regulations 18 Bibliography . 25 PD CEN/TR 14473:2014CEN/TR 14473:2014 (E) 3 Foreword This document (CEN/TR 14473:2014) has been prepared by Technical Committee CEN/TC 23 “Transportable gas cylinders”, the secretariat of which
11、is held by BSI. This document supersedes CR 14473:2002. This second edition supersedes the first edition (CR 14473:2002) with the following main technical revisions: a) changes in the legal background are taken into account by introducing new tables for porous materials with filling conditions based
12、 on a new European standard (EN ISO 3807) for type testing of porous materials for acetylene cylinders); b) entries for porous materials that are no longer used or for which the filling conditions could not be verified were deleted; c) the report was amended with regard to porous materials which hav
13、e been newly placed on the market since the last edition of this report. For amendments or changes to this report, an application shall be made to the CEN/TC 23 Secretariat with a copy of the documentation based on which the acetylene cylinders are placed on the market (type approval by the competen
14、t authority or conformity assessment in accordance with Directive 2010/35/EU (TPED). PD CEN/TR 14473:2014CEN/TR 14473:2014 (E) 4 Introduction This report contains data and information about monolithic porous materials for acetylene cylinders. This report does not contain information about non-monoli
15、thic porous materials. Where there is any conflict between this European Technical Report and any applicable regulation, the regulation always takes precedence. In International Standards, weight is equivalent to a force, expressed in Newton. However, in common parlance the word “weight” continues t
16、o be used to mean “mass”, but this practice is deprecated (ISO 80000-4). In this European Technical Report the unit bar is used, due to its universal use in the field of technical gases. It should, however, be noted that bar is not an SI unit, and that the according SI unit for pressure is Pa. Press
17、ure values given in this European Technical Report are given as gauge pressure (pressure exceeding atmospheric pressure) unless noted otherwise. PD CEN/TR 14473:2014CEN/TR 14473:2014 (E) 5 1 Scope This Technical Report contains information about monolithic porous materials used in individual acetyle
18、ne cylinders and in acetylene cylinder bundles. It does not claim to be exhaustive. 2 Source and nature of the data about the listed porous materials The data contained in the tables in Clauses 4, 5 and 6 are derived from the documentation based on which the acetylene cylinders were or still are pla
19、ced on the market (type approval by the competent authority or conformity assessment in accordance with TPED) and according to which they are operated (in some cases a type approval with regard to newly manufacturing a porous material has been withdrawn or a TPED-certificate is no longer valid but t
20、he cylinders that were already on the market still may be used). NOTE The documentation provided was examined carefully before including the according information into this Report. Nevertheless, there might be discrepancies to the actual approval, e.g. because more recent amendments exist which were
21、 not made available at the time of preparing this Report. In some cases not all information was available in the documents provided and consequently the according information is missing (for example the maximum top clearance or the working pressure). Acetylene cylinders that were reassessed in accor
22、dance with TPED may be filled with the filling values conforming to the reassessment certificate throughout the EU. It should be noted that these values might deviate from those of prior national approvals which still apply to those cylinders that were not reassessed according to TPED. If no reliabl
23、e documentation could be made available to the working group, no information is included in this Report. However, this does not necessarily mean that no approval or certification exists. Clause 4 contains information on porous materials for acetylene cylinders which are placed on the market in accor
24、dance with type tests according to EN ISO 3807. It also contains information on filling conditions for acetylene cylinder bundles in accordance with EN ISO 13088. Clause 5 contains information on porous materials used in individual acetylene cylinders that were type approved based on national regula
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