1、Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system componentsPart 12: Gas-tight housing and ventilation hosesBS ISO 12619-12:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 ISO 2017Road vehicles Compressed gaseous hydrog
2、en (CGH2) and hydrogen/natural gas blends fuel system components Part 12: Gas-tight housing and ventilation hosesVhicules routiers Composants des circuits dalimentation pour hydrogne gazeux comprim (CGH2) et mlanges de gaz naturel et hydrogne Partie 12: Compartiment tanche pour gaz et tuyaux de vent
3、ilationINTERNATIONAL STANDARDISO12619-12First edition2017-08Reference numberISO 12619-12:2017(E)National forewordThis British Standard is the UK implementation of ISO 12619-12:2017.The UK participation in its preparation was entrusted to Technical Committee GSE/40, Gas supply equipment for natural g
4、as vehicles.A list of organizations represented on this 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 b
5、y BSI Standards Limited 2017ISBN 978 0 580 94694 3ICS 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 si
6、nce publicationDate Text affectedBRITISH STANDARDBS ISO 1261912:2017 ISO 2017Road vehicles Compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components Part 12: Gas-tight housing and ventilation hosesVhicules routiers Composants des circuits dalimentation pour hydrogne g
7、azeux comprim (CGH2) et mlanges de gaz naturel et hydrogne Partie 12: Compartiment tanche pour gaz et tuyaux de ventilationINTERNATIONAL STANDARDISO12619-12First edition2017-08Reference numberISO 12619-12:2017(E)BS ISO 1261912:2017ISO 12619-12:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTE
8、D DOCUMENT ISO 2017, 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 wr
9、itten permission. 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.orgBS ISO 1261912:
10、2017ISO 12619-12:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2017, 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
11、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.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 2
12、2 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgISO 12619-12:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Marking 25 Construction and assembly . 26 Tests . 26.1 Applicability 26.2 Leakage 36.2.1 External leakage . 36.2.2 External leakage Pressure retain
13、ing ventilation passages . 36.2.3 Venting ability and pressure retention . 46.3 Pull-off 4Bibliography 5 ISO 2017 All rights reserved iiiContents PageBS ISO 1261912:2017ISO 12619-12:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standard
14、s 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 organiz
15、ations, 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 fur
16、ther 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
17、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 the
18、 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 standards, the meaning of ISO
19、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 document was prepared by Technical Com
20、mittee 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 1261912:2017ISO 12619-12:2017(E)ForewordISO (the International Organization for Standardization) i
21、s 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 established has the right to be represe
22、nted 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.The procedures used to develop
23、 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 the editorial rules of the ISO/IE
24、C 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 patent rights identified during t
25、he 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.For an explanation on the volun
26、tary 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: www .iso .org/ iso/ foreword .htm
27、l.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 12619-12:2017(E)Road vehicles Co
28、mpressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components Part 12: Gas-tight housing and ventilation hoses1 ScopeThis document specifies tests and requirements for the gas-tight housing and ventilation hose, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas
29、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 applicabl
30、e 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 specifically cover
31、ed 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 to in the t
32、ext 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 Compressed gaseous
33、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 definitionsFor
34、 the purposes of this document, the terms and definitions given in ISO 12619-1 apply. ISO 2017 All rights reserved 1BS ISO 1261912:2017ISO 12619-12:2017(E)ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at h t t p :/ ww
35、w .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp4 MarkingMarking of the component shall provide sufficient information to allow the following to be traced:a) the manufacturers or agents name, trademark or symbol;b) the model designation (part number);c)
36、the temperature range.The following additional markings are recommended: the direction of flow (when necessary for correct installation); the type of fuel; the electrical ratings (if applicable); the symbol of the certification agency; the type approval number; the serial number or date code; a refe
37、rence to this document, i.e. ISO 12619-12:2017.NOTE This information can be provided by a suitable identification code on at least one part of the component when it consists of more than one part.5 Construction and assemblyThe gas-tight housing and ventilation hose shall comply with the applicable p
38、rovisions of ISO 12619-1 and ISO 12619-2 and with the tests specified in Clause 6.The gas-tight housing and ventilation hose are intended to contain and vent to a safe place permeation gas and small leaks from the primary pressure retaining components.The gas-tight housing shall be assembled in such
39、 a way that the function of the pressure relief device or devices (PRD) will not be affected.6 Tests6.1 ApplicabilityThe tests required to be carried out are indicated in Table 1.2 ISO 2017 All rights reservedBS ISO 1261912:2017ISO 12619-12:2017(E)ISO and IEC maintain terminological databases for us
40、e in standardization 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/ obp4 MarkingMarking of the component shall provide sufficient information to allow the following to be traced:a) the
41、 manufacturers or agents name, trademark or symbol;b) the model designation (part number);c) the temperature range.The following additional markings are recommended: the direction of flow (when necessary for correct installation); the type of fuel; the electrical ratings (if applicable); the symbol
42、of the certification agency; the type approval number; the serial number or date code; a reference to this document, i.e. ISO 12619-12:2017.NOTE This information can be provided by a suitable identification code on at least one part of the component when it consists of more than one part.5 Construct
43、ion and assemblyThe gas-tight housing and ventilation hose shall comply with the applicable provisions of ISO 12619-1 and ISO 12619-2 and with the tests specified in Clause 6.The gas-tight housing and ventilation hose are intended to contain and vent to a safe place permeation gas and small leaks fr
44、om the primary pressure retaining components.The gas-tight housing shall be assembled in such a way that the function of the pressure relief device or devices (PRD) will not be affected.6 Tests6.1 ApplicabilityThe tests required to be carried out are indicated in Table 1.2 ISO 2017 All rights reserv
45、ed ISO 12619-12:2017(E)Table 1 Applicable testsTest ApplicableTest procedure as required by ISO 12619-2Specific test requirements of this documentLeakage X X X (see 6.2)Excess torque resistance XaX Bending moment Continued operation Corrosion resistance XbX Oxygen ageing X X Ozone ageing X X Heat Ag
46、eing X X Automotive fluids X X Electrical over-voltages Non-metallic synthetic immersion X X Vibration resistance XaX Brass material compatibility Pull-off X X (see 6.3)aApplicable only to rigid components.bApplicable to metallic parts or components.6.2 LeakageTest the gas-tight housing according to
47、 the procedure for leakage specified in ISO 12619-2 at the temperatures and pressures given in Table 2.Table 2 Test temperatures and pressuresTemperature CPressure MPa40 or 20 (as applicable) 0,0520 0,0585 0,056.2.1 External leakageThis external leakage test is intended for ventilation hoses and gas
48、-tight housings. Ventilation hoses and gas-tight housings shall be leak-tight when tested at the pressures and temperatures given in Table 2. Atmospheric passages and other connections shall be connected or plugged as recommended by the manufacturer for normal service.6.2.2 External leakage Pressure
49、 retaining ventilation passages6.2.2.1 This external leakage test is intended for ventilation passages of pressure-retaining components. Ventilation passages of pressure-retaining components shall meet the requirements of the following tests.6.2.2.2 Plug the ventilation passage outlets and pressurize the ventilation passages to the maximum pressure the vent passage is expected to be exposed to in service as specified by the manufactur
