INTERNATIONAL ISO 12614-2 STANDARD Second edition 2021-06 Road vehicles -Liquefied natural gas (LNG)fuel system components - Part 2: Performance and general test methods Vehicules routiers-Equipements pour vehicules utilisant le gaz naturel liquefieé(GNL)comme combustible Partie 2:Performances et methodes d'essai generales Reference number ISO 12614-2:2021(E) O ISO 2021 IS012614-2:2021(E) COPYRIGHT PROTECTEDDOCUMENT OISO2021 All rights reserved.Unless otherwise specified,or required in the context of its implementation,no part of this publication may be reproduced or utilized otherwise in anyform 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 CP 401-Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone:+41227490111 Email:[email protected] Website:www.iso.org Published in Switzerland ii O ISO 2021-All rights reserved ISO12614-2:2021(E) Contents Page Foreword IV Scope 1 2 Normative references 3 Terms and definitions 4 General 5 Hydrostaticstrength 6 Leakage 6.1 General 6.2 External leakage 6.3 Internal leakage 6.4 Test conditions . 7 Excesstorque resistance 8 Bending moment 9 Continuedoperation 9.1 General .. 9.2 Components, whichare intendedto be used at temperatures less than-40°℃ 9.3 Components, whichare not intended to beusedat temperatures lessthan-4oC 10 Corrosionresistance 11 Oxygenageing 6 12 Electrical overvoltages .6 13 Non-metallic material immersion 14 Vibration resistance 15 Brass material compatibility Bibliography O ISO 2021-Allrights reserved ili