1、Road vehicles - Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system componentsPart 10: Pressure relief device (PRD)BS ISO 1261910:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 ISO 2017Road vehicles Compressed gaseous hydrogen (CGH2)
2、and hydrogen/natural gas blends fuel system components Part 10:Pressure relief device (PRD)Vhicules routiers Composants des circuits dalimentation pour hydrogne gazeux comprim (CGH2) et mlanges de gaz naturel et hydrogne Partie 10: Dispositif de surpressionINTERNATIONALSTANDARDISO12619-10First editi
3、on2017-08Reference numberISO 12619-10:2017(E)National forewordThis British Standard is the UK implementation of ISO 1261910:2017.The UK participation in its preparation was entrusted to Technical Committee GSE/40, Gas supply equipment for natural gas vehicles.A list of organizations represented on t
4、his committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 94494 9IC
5、S 43.060.40Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS
6、ISO 1261910:2017 ISO 2017Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components Part 10: Pressure relief device (PRD)Vhicules routiers Composants des circuits dalimentation pour hydrogne gazeux comprim (CGH2) et mlanges de gaz naturel et hydrogne Part
7、ie 10: Dispositif de surpressionINTERNATIONAL STANDARDISO12619-10First edition2017-08Reference numberISO 12619-10:2017(E)BS ISO 1261910:2017ISO 12619-10:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2017, Published in SwitzerlandAll rights reserved. Unless otherwise specifie
8、d, 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 ISOs
9、member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 1261910:2017ISO 12619-10:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 201
10、7, Published in SwitzerlandAll 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.
11、Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgISO 12619-10:2017(E)Foreword iv1
12、Scope . 12 Normative references 13 Terms and definitions . 14 Marking 25 Construction and assembly . 36 Tests . 36.1 Applicability 36.2 Hydrostatic strength 46.2.1 Housing 46.2.2 Fusible material 46.3 Leakage 46.4 Bending moment . 56.5 Continued operation 56.5.1 Test procedure . 56.5.2 Requirements
13、. 56.6 Accelerated life 56.6.1 General 56.6.2 Test procedure . 56.6.3 Accelerated-life test temperature 66.6.4 Requirements . 66.7 Benchtop activation 66.7.1 General 66.7.2 Thermally activated relief devices 66.7.3 Parallel-combination relief devices . 76.8 Thermal cycling 76.8.1 Test procedure . 76
14、.8.2 Requirements . 86.9 Condensate-corrosion resistance . 86.9.1 Test procedure . 86.9.2 Test solution. 86.10 Flow capacity 86.10.1 General 86.10.2 Test procedure . 86.11 Impact due to drop and vibration . 96.11.1 Impact due to drop . 96.11.2 Vibration . 97 Production batch inspection and acceptanc
15、e testing . 9Annex A (normative) Determination of fusible material yield temperature and PRD activation temperature .10Bibliography .12 ISO 2017 All rights reserved iiiContents PageBS ISO 1261910:2017ISO 12619-10:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide
16、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 established has the right to be represented on that c
17、ommittee. 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 standardization.The procedures used to develop this document
18、 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 with the editorial rules of the ISO/IEC Directives,
19、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 any patent rights identified during the development
20、 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 endorsement.For an explanation on the voluntary nature of
21、 standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This documen
22、t was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 41, Specific aspects for gaseous fuels.A list of all parts in the ISO 12619 series can be found on the ISO website.iv ISO 2017 All rights reservedBS ISO 1261910:2017ISO 12619-10:2017(E)ForewordISO (the International Orga
23、nization 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 establis
24、hed 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 standardization
25、.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 with th
26、e 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 any pa
27、tent 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 endorsement.
28、For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: ww
29、w .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 41, Specific aspects for gaseous fuels.A list of all parts in the ISO 12619 series can be found on the ISO website.iv ISO 2017 All rights reserved INTERNATIONAL STANDARD ISO 1
30、2619-10:2017(E)Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components Part 10: Pressure relief device (PRD)1 ScopeThis document specifies tests and requirements for the pressure relief device (PRD), a compressed gaseous hydrogen (CGH2) and hydrogen/na
31、tural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833.It is applicable to vehicles using CGH2in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not
32、 applicable to the following:a) liquefied hydrogen (LH2) fuel system components;b) fuel containers;c) stationary gas engines;d) container mounting hardware;e) electronic fuel management;f) refuelling receptacles;g) fuel cell vehicles.NOTE 1 It is recognized that miscellaneous components not specific
33、ally covered herein can be examined to meet the criteria of this document and tested according to the appropriate functional tests.NOTE 2 All references to pressure in this document are considered gauge pressures unless otherwise specified.2 Normative referencesThe following documents are referred t
34、o in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 12619-1, Road vehicles Compresse
35、d gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system components Part 1: General requirements and definitionsISO 12619-2, Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system components Part 2: Performance and general test methods3 Terms and defi
36、nitionsFor the purposes of this document, the terms and definitions given in ISO 12619-1 and the following apply. ISO 2017 All rights reserved 1BS ISO 1261910:2017ISO 12619-10:2017(E)ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia
37、: available at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp3.1activation pressurerupture pressure, as specified by the pressure relief device (PRD) manufacturer, at which a PRD is designed to activate to permit the discharge of the cylin
38、der3.2activation temperaturetemperature, as specified by the pressure relief device (PRD) manufacturer, at which a PRD is designed to activate to permit the discharge of the cylinder3.3fusible materialmetal, alloy, or other material capable of being melted where the melting is integral to the functi
39、on of the pressure relief device (PRD)3.4parallel-combination relief devicepressure relief device (PRD) activated by high temperature or pressure acting separatelyNote 1 to entry: This device may be integrated into one device that has independent pressure-activated and thermally activated parts. It
40、may also be formed by two independent devices (one pressure-activated and one thermally activated) that act independently. Each part of the device shall not interfere with the operation/activation of the other part. The device shall be able to vent the content of the cylinder through any one of the
41、parts of the PRD independently. The device shall be able to vent the content of the cylinder if the pressure- and thermally activated parts open simultaneously.3.5pressure-activated relief devicepressure relief device (PRD) activated by pressure3.6burst discrupture discoperating part of a pressure-a
42、ctivated pressure relief device (PRD) which, when installed in the device, is designed to burst at a predetermined pressure to permit discharge of the cylinder3.7thermally activated relief devicepressure relief device (PRD) activated by high temperature3.8yield temperaturetemperature at which the fu
43、sible material (3.3) becomes sufficiently soft to activate the device and to permit discharge of the cylinder4 MarkingIf the PRD is a stand-alone component, marking shall provide sufficient information to allow the following to be traced:a) the manufacturers or agents name, trademark or symbol;b) th
44、e fusible material yield temperature or PRD activation temperature in accordance with Annex A and the rupture disc pressure rating or activation pressure, as appropriate;2 ISO 2017 All rights reservedBS ISO 1261910:2017ISO 12619-10:2017(E)ISO and IEC maintain terminological databases for use in stan
45、dardization at the following addresses: IEC Electropedia: available at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp3.1activation pressurerupture pressure, as specified by the pressure relief device (PRD) manufacturer, at which a PRD is d
46、esigned to activate to permit the discharge of the cylinder3.2activation temperaturetemperature, as specified by the pressure relief device (PRD) manufacturer, at which a PRD is designed to activate to permit the discharge of the cylinder3.3fusible materialmetal, alloy, or other material capable of
47、being melted where the melting is integral to the function of the pressure relief device (PRD)3.4parallel-combination relief devicepressure relief device (PRD) activated by high temperature or pressure acting separatelyNote 1 to entry: This device may be integrated into one device that has independe
48、nt pressure-activated and thermally activated parts. It may also be formed by two independent devices (one pressure-activated and one thermally activated) that act independently. Each part of the device shall not interfere with the operation/activation of the other part. The device shall be able to
49、vent the content of the cylinder through any one of the parts of the PRD independently. The device shall be able to vent the content of the cylinder if the pressure- and thermally activated parts open simultaneously.3.5pressure-activated relief devicepressure relief device (PRD) activated by pressure3.6burst discrupture discoperating part of a pressure-activated pressure relief device (PRD) which, when installed in the device, is designed to burst at a predetermined pressure to permit discharge o
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