ISO INTERNATIONAL STANDARD 14113 Third edition 2013-10-01 Gas welding equipment Rubber and plastics hose and hose assemblies for use with industrial gases up to 450 bar (45 MPa) Materiel de soudage aux gaz - Tuyaux souples et flexibles en caoutchouc et en plastique pour des gaz industriels jusqu'a 450 bar (45 MPa) Reference number ISO 14113:2013(E) TSO IS02013 I without license from IHS Not for Resale IS0 14113:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior 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 No reproductic networking permited without license from IHS Not for Resale IS0 14113:2013(E) Contents Page Foreword ..iv 1 Scope 2 Normative references .1 3 Terms and definitions 4 .3 Construction 4.1 Hose. .3 4.2 Endfittings .3 4.3 Hose assemblies .3 5 Dimensions and tolerances .3 5.1 Bore size .3 5.2 Concentricity 3 5.3 Cut lengths and tolerances. ..4 5.4 Length of hoses assemblies. .4 6 Physical properties of lining and cover - Type tests .4 6.1 General ..4 6.2 Resistance to ignition requirement for oxygen hose lining. ..5 6.3 Resistance to acetone (acetylene hose only). ..5 7 Performance requirements - Type tests. .5 7.1 Pressure resistance requirements .5 7.2 Adhesion (rubber hoses only) .6 7.3 Flexibility .6 7.4 Low temperature flexibility. ..6 7.5 Ozone resistance (for hoses with an outer protective cover of rubber) 7.6 UV resistance (for hoses with plastics cover) .6 7.7 Permeability to gas ..6 7.8 Electrical conductivity .6 7.9 End fitting integrity. ..6 8 Performance requirements - Production tests :> 8.1 Pressuretestsforhoseassemblies .7 8.2 Leaktest 8.3 Cleaning for oxygen service .1 9 Marking .1 10 Packaging 8 11 Instructions ..8 Annex A (normative) Acetylene decomposition test for hose assemblies used in high pressure acetylene installations 9 Annex B (normative) Oxygen pressure surge test ..10 Annex C (normative) Oxygen system installation considerations ..12 Bibliography .13 iii se with ISt ed without license from IHS Not for Resale