ISO 21013-1:2021/Amd 1:2024
(Amendment)Cryogenic vessels — Pressure-relief accessories for cryogenic service — Part 1: Reclosable pressure-relief valves — Amendment 1
Cryogenic vessels — Pressure-relief accessories for cryogenic service — Part 1: Reclosable pressure-relief valves — Amendment 1
Récipients cryogéniques — Dispositifs de sécurité pour le service cryogénique — Partie 1: Soupapes de sûreté pour service cryogénique — Amendement 1
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ISO 21013-1
Second edition
Cryogenic vessels — Pressure-relief
2021-12
accessories for cryogenic service —
AMENDMENT 1
Part 1:
2024-05
Reclosable pressure-relief valves
AMENDMENT 1
Récipients cryogéniques — Dispositifs de sécurité pour le service
cryogénique —
Partie 1: Soupapes de sûreté pour service cryogénique
AMENDEMENT 1
Reference number
ISO 21013-1:2021/Amd.1:2024(en) © ISO 2024
---------------------- Page: 1 ----------------------
ISO 21013-1:2021/Amd.1:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
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
© ISO 2024 – All rights reserved
ii
---------------------- Page: 2 ----------------------
ISO 21013-1:2021/Amd.1:2024(en)
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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
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 220, Cryogenic vessels.
A list of all parts in the ISO 21013 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/members.html.
© ISO 2024 – All rights reserved
iii
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ISO 21013-1:2021/Amd.1:2024(en)
Cryogenic vessels — Pressure-relief accessories for cryogenic
service —
Part 1:
Reclosable pressure-relief valves
AMENDMENT 1
4.3.1
Replace the first two sentences in the first paragraph with the following:
Materials shall be either
— in conformance with an internationally recognized standard (see Annex A), or
— in conformance with this subclause.
Materials shall be compatible with the process fluid. Materials and combination of materials shall be
selected such that galling, frictional heating, and galvanic corrosion are avoided.
Replace the first sentence in the second paragraph with the following:
For materials that are not in conformance with an internationally recognized standard (see Annex A), the
materials shall be controlled by the manufacturer of the pressure-relief valve by a specification ensuring
control of chemical content and physical properties and quality at least equivalent to an internationally
recognized standard.
Annex
Add the following new Annex A:
© ISO 2024 – All rights reserved
1
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ISO 21013-1:2021/Amd.1:2024(en)
Annex A
...
FINAL DRAFT
Amendment
ISO 21013-1:2021/
FDAM 1
ISO/TC 220
Cryogenic vessels — Pressure-relief
Secretariat: AFNOR
accessories for cryogenic service —
Voting begins on:
2024-02-16
Part 1:
Reclosable pressure-relief valves
Voting terminates on:
2024-04-12
AMENDMENT 1
Récipients cryogéniques — Dispositifs de sécurité pour le service
cryogénique —
Partie 1: Soupapes de sûreté pour service cryogénique
AMENDEMENT 1
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
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
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.
Reference number
ISO 21013-1:2021/FDAM 1:2024(en) © ISO 2024
---------------------- Page: 1 ----------------------
FINAL DRAFT
ISO 21013-1:2021/FDAM 1:2024(en)
Amendment
ISO 21013-1:2021/
FDAM 1
ISO/TC 220
Cryogenic vessels — Pressure-relief
Secretariat: AFNOR
accessories for cryogenic service —
Voting begins on:
Part 1:
Reclosable pressure-relief valves
Voting terminates on:
AMENDMENT 1
Récipients cryogéniques — Dispositifs de sécurité pour le service
cryogénique —
Partie 1: Soupapes de sûreté pour service cryogénique
AMENDEMENT 1
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
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 Reference number
ISO 21013-1:2021/FDAM 1:2024(en) © ISO 2024
© ISO 2024 – All rights reserved
ii
---------------------- Page: 2 ----------------------
ISO 21013-1:2021/FDAM 1:2024(en)
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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
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 220, Cryogenic vessels.
A list of all parts in the ISO 210
...
ISO 21013-1:2021/FDAmd 1:2023(E)
ISO/TC 220
Date: 2023-12
Secretariat: AFNOR
Date: 2024-02-01
Cryogenic vessels - — Pressure-relief accessories for cryogenic
service - —
Part 1:
Reclosable pressure-relief valves – Amendment
AMENDMENT 1
Récipients cryogéniques - — Dispositifs de sécurité pour le service cryogénique - —
Partie 1: Soupapes de sûreté pour service cryogénique – Amendement
AMENDEMENT 1
FDIS stage
---------------------- Page: 1 ----------------------
ISO 21013-1:2021/FDAmd 1:2023(E(en)
© ISO 20232021
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
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved
© ISO 2024 – All rights reserved
ii
---------------------- Page: 2 ----------------------
ISO 21013-1:2021/FDAmd 1:2023(E(en)
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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent rights
in respect thereof. As of the date of publication of this document, ISO had not received notice of (a) patent(s)
which may be required to implement this document. However, implementers are cautioned that this may not
represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
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 220, Cryogenic vessels.
A list of all parts in the ISO 21013 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/members.html.
Field Code Changed
© ISO 2023 – All rights reserved iii
© ISO 2024 – All rights reserved
iii
---------------------- Page: 3 ----------------------
ISO 21013-1:2021/FDAmd 1:2023(E)
Cryogenic vessels – — Pressure-relief accessories for cryogenic
service – —
Part 1:
Reclosable pressure-relief valve – Amendment valves
AMENDMENT 1
4.3.1
Replace the first two sentences in the first paragraph with the following:
Materials shall be either
— in conformance with an internationally recognized standard (see Annex A), or
— in conformance with this subclause.
Materials shall be compatible with the process fluid. Materials and combination of materials shall be
selected such that galling, frictional heating, and galvanic corrosion are avoided.
Replace the first sentence in the second paragraph with the following:
For materials that are not in conformance with an internationally recognized standard (see Annex A), the
materials shall be controlled by the manufacturer of the pressure-relief valve by a specification ensuring
control of chemical content and physical properties and quality at least equivalent to an internationally
recognized s
...
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