1、 ISO 2016 Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/ natural gas blend fuel system components Part 3: Pressure regulator AMENDMENT 1: . Vhicules routiers Composants des circuits dalimentation pour hydrogne gazeux comprim (CGH2) et mlanges de gaz naturel et hydrogne Partie 3: Regu
2、lateur de pression AMENDEMENT 1: . INTERNATIONAL STANDARD ISO 12619-3 First edition 2014-06-15 Reference number ISO 12619-3:2014/Amd.1:2016(E) AMENDMENT 1 2016-04-01 ISO 12619-3:2014/Amd.1:2016(E)ii ISO 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in Switzerland All righ
3、ts 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 ei
4、ther ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO 12619-3:2014/Amd.1:2016(E) Foreword ISO (the Internation
5、al Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been e
6、stablished has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standard
7、ization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance
8、 with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
9、any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsem
10、ent. For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information Amendment 1 to ISO 126
11、19-3:2014 was prepared by Technical Committee ISO/TC 22, Road Vehicles, Subcommittee SC 41, Specific aspects for gaseous fuels. ISO 2016 All rights reserved iii Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system components Part 3: Pressure regulator AMENDMENT
12、 1: . Page 3, Table 1 Replace Table 1 “Required Tests” with the following: Table 1 Required tests Test Applicable Test procedure as re- quired in ISO 12619-2 Specific test required in this part of ISO 12619 Hydrostatic strength X X 6.2 Leakage X (External) X 6.3 Excess torque resistance X X - Bendin
13、g moment X X - Continued operation X X 6.4 Corrosion resistance X X - Oxygen ageing X X - Ozone ageing X X - N-pentane X X - Heat ageing X X - Electrical over-voltages X X - Non-metallic immersion X X - Material requirements X X - Insulation resistance X - 6.5 Pressure impulse X - 6.7 Water jacket f
14、reezing X a - 6.8 Pre-Cooled Hydrogen Exposure Test - - - Insulation Resistance X b X a Only if the water jacket is present. bOnly if electronic components are present. ISO 12619-3:2014/Amd.1:2016(E) ISO 2016 All rights reserved 1 ISO 12619-3:2014/Amd.1:2016(E) ISO 2016 All rights reserved ICS 43.060.40 Price based on 1 page
