1、 ISO 2016 Road vehicles Compressed natural gas (CNG) fuel system components Part 14: Excess flow valve AMENDMENT 1 Vhicules routiers Composants des systmes de combustible gaz naturel comprim (GNC) Partie 14: Valve de limitation de dbit AMENDEMENT 1 INTERNATIONAL STANDARD ISO 15500-14 Second edition
2、2012-04-15 Reference number ISO 15500-14:2012/Amd.1:2016(E) AMENDMENT 1 2016-04-01 ISO 15500-14:2012/Amd.1:2016(E)ii ISO 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reprod
3、uced 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 ISOs member body in the country of the requester.
4、 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 15500-14:2012/Amd.1:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standa
5、rds 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 established has the right to be represented on that committee. International organ
6、izations, 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 standardization. The procedures used to develop this document and those intended for its
7、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 with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/dire
8、ctives). 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 any patent rights identified during the development of the document will be in th
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10、ted 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 15500-14:2012 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommi
11、ttee SC 41, Specific aspects for gaseous fuels. ISO 2016 All rights reserved iii Road vehicles Compressed natural gas (CNG) fuel system components Part 14: Excess flow valve AMENDMENT 1 Page 2, Clause 5 Replace Clause 5 with the following: 5 Construction and assembly The excess flow valve shall comp
12、ly with the applicable provisions of ISO 15500-1 and ISO 15500-2, and with the tests specified in Clause 6. Tolerances should follow the specifications of ISO 15500-2. Page 3, Table 1 Replace Table 1 with the following: Table 1 Applicable tests Test method Applicable Test procedure as required by IS
13、O 15500-2 Specific test requirements of this part of ISO 15500 Hydrostatic strength X X X (see 6.2) Leakage X X X (see 6.3) Excess torque resistance X X X (see 6.4) Bending moment X X X (see 6.5) Continued operation X X X (see 6.6) Corrosion resistance X X Oxygen ageing X X Ozone ageing X X Heat age
14、ing X X Automotive fluids X X Non-metallic material immersion X X Vibration resistance X X Brass material compatibility X X Operation X X (see 6.7) Pressure impulse X X (see 6.8) ISO 15500-14:2012/Amd.1:2016(E) ISO 2016 All rights reserved 1 ISO 15500-14:2012/Amd.1:2016(E) ISO 2016 All rights reserved ICS 43.060.40 Price based on 1 page
