Road vehicles -- Compressed natural gas (CNG) fuel system components

This document specifies tests and requirements for the rigid fuel line in stainless steel, a compressed natural gas (CNG) fuel system component in accordance with ISO 1127 intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using natural gas in accordance with the ISO 15403 series. It is not applicable to the following: a) liquefied natural gas (LNG) fuel system components located upstream of, and including, the vaporizer; b) fuel containers; c) stationary gas engines; d) container-mounting hardware; e) electronic fuel management; f) refuelling receptacles.

Véhicules routiers -- Composants des systèmes de combustible gaz naturel comprimé (GNC)

General Information

Status
Published
Publication Date
02-Aug-2020
Current Stage
5060 - Close of voting Proof returned by Secretariat
Start Date
30-Jun-2020
Completion Date
29-Jun-2020
Ref Project

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INTERNATIONAL ISO
STANDARD 15500-16
Third edition
2020-08
Road vehicles — Compressed natural
gas (CNG) fuel system components —
Part 16:
Rigid fuel line in stainless steel
Véhicules routiers — Composants des systèmes de combustible gaz
naturel comprimé (GNC) —
Partie 16: Tuyauterie rigide pour combustible en acier inoxydable
Reference number
ISO 15500-16:2020(E)
ISO 2020
---------------------- Page: 1 ----------------------
ISO 15500-16:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

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 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 ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 15500-16:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Marking .......................................................................................................................................................................................................................... 2

5 Construction and assembly ....................................................................................................................................................................... 2

6 Tests ................................................................................................................................................................................................................................... 2

6.1 Applicability .............................................................................................................................................................................................. 2

6.2 Hydrostatic strength .......................................................................................................................................................................... 3

6.3 Continued operation .......................................................................................................................................................................... 3

6.4 Bending .......................................................................................................................................................................................................... 3

Bibliography ................................................................................................................................................................................................................................ 4

© ISO 2020 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 15500-16:2020(E)
Foreword

ISO (the International 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 established 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.

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 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

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 endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .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.

This third edition cancels and replaces the second edition (ISO 15500-16:2012), which has been

technically revised. It also incorporates the Amendment ISO 15500-16:2012/Amd.1:2016. The main

changes compared to the previous edition are as follows:
— serial number or data code became mandatory in marking.
A list of all parts in the ISO 15500 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 15500-16
ISO/TC 22/SC 41
Road vehicles — Compressed natural
Secretariat: UNI
gas (CNG) fuel system components —
Voting begins on:
2020-05-04
Part 16:
Voting terminates on:
Rigid fuel line in stainless steel
2020-06-29
Véhicules routiers — Composants des systèmes de combustible gaz
naturel comprimé (GNC) —
Partie 16: Tuyauterie rigide pour combustible en acier inoxydable
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 15500-16:2020(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO 2020
---------------------- Page: 1 ----------------------
ISO/FDIS 15500-16:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

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 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 ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 15500-16:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Marking .......................................................................................................................................................................................................................... 2

5 Construction and assembly ....................................................................................................................................................................... 2

6 Tests ................................................................................................................................................................................................................................... 2

6.1 Applicability .............................................................................................................................................................................................. 2

6.2 Hydrostatic strength .......................................................................................................................................................................... 3

6.3 Continued operation .......................................................................................................................................................................... 3

6.4 Bending .......................................................................................................................................................................................................... 3

Bibliography ................................................................................................................................................................................................................................ 4

© ISO 2020 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/FDIS 15500-16:2020(E)
Foreword

ISO (the International 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 established 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.

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 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

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 endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .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.

This third edition cancels and replaces the second edition (ISO 15500-16:2012), which has been

technically revised. It also incorporates the Amendment ISO 15500-16:2012/Amd.1:2016. The main

changes compared to the previous edition are as follows:
— serial number o
...

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