ISO INTERNATIONAL STANDARD 3807 Secondedition 2013-09-01 Gas cylinders Acetylene cylinders Basic requirements and type testing Bouteilles a gaz - Bouteilles d'acétylene - Exigences fondamentales etessaisdetype Reference number IS0 3807:2013(E) LSO IS02013 IHS under ted without license from IHS Not for Resale IS0 3807:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved Not for Resale IS0 3807:2013(E) Contents Page Foreword ..iv Introduction ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions ..1 4 Basic requirements .3 4.1 Cylinder shell .3 4.2 Porous material .3 4.3 Solvent content and acetylene content 4 4.4 Working pressure 4.5 Cylinder identification 4 4.6 Fusible plugs .4 4.7 Accessories. ..5 5 Type approval. .5 5.1 General requirements .5 5.2 Request for approval. .5 5.3 Cylinder type tests. .6 5.4 Information to be given in the type approval document .7 6 Manufacturing of the porous material ..8 7 .8 Solvent-free acetylene cylinders Annex A (normative) Determination of the porosity of the porous material .9 Annex B (normative) Determination of the compressive strength of monolithic ..10 porous materials Annex C (normative) Calculation of the working pressure .11 Annex D (normative) Verification that development of hydraulic pressure is prevented ..12 AnnexE (normative) Backfiretest ..14 Annex F (normative) Fire test .18 Annex G (normative) Testing of the integrity of the porous material in the area of joggle welds...21 Annex H (normative) Test procedures for fusible plugs used in acetylene cylinders .22 Annex I (normative) Inspection procedures for the manufacture of acetylene cylinders .24 Annex J (informative) Explanation and examples for the calculation method according to D.3 ...6.. Bibliography .28 iii lout license from IHS Not for Resale