BS EN ISO 20421-2:2017 BSl Standards Publication Cryogenic vessels Large transportable vacuum- insulated vessels Part 2: Operational requirements (ISO 20421-2:2017) bsi. Y OF STANDARDIZATION 9972181 BS EN ISO 20421-2:2017 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN ISO 20421-2:2017. It supersedes BS EN 13530-3:2002 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PVE/18, Cryogenic vessels. 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. @ The British Standards Institution 2017. Published by BSI Standards Limited 2017 ISBN9780580781667 ICS 23.020.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2017. Amendments/corrigendum issued since publication Date Text affected British Standards Instution nsee=SHENZHEN ACADEMY OF STANDARDIZATION 9972181 e with BSI - Uncontrolled Co EN IS0 20421-2 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM February 2017 ICS 23.020.40 Supersedes EN 13530-3:2002 English Version Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements (Is0 20421- 2:2017) Récipients cryogeniques - Grands récipients Kryo-Behalter - Grofe ortsbewegliche vakuumisolierte transportables, isolés, sous vide - Partie 2: Exigences Behalter - Teil 2: Betriebsanforderungen (IS0 20421- de fonctionnement (IS0 20421-2:2017) 2:2017) This European Standard was approved by CEN on 15 February 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standardthestatus ofa nationalstandard without any alteration.Up-to-datelistsand bibliographicalreferences 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 any other language made by Centrehasthesamestatusastheofficialversions. CENmembers arethenational 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, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. er EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels @2017CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 20421-2:2017E worldwide for CEN national Members. British Standards Insttution MY OF STANDARDIZATION 9972181 vided by IHS under Not for Resale, 2017/5/2 02:28:54 rom IHS