Gas welding equipment — Quick-action couplings with shut-off valves for welding, cutting and allied processes

This document defines the specifications and the type tests for quick-action couplings with shut-off valves. It applies to quick-action couplings used between the regulator and the torch in equipment for gas welding, cutting and allied processes. This document applies to cases where these couplings are used with hoses in accordance with ISO 3821 or threaded unions in accordance with ISO/TR 28821.

Matériel de soudage aux gaz — Raccords rapides à obturation pour soudage, coupage et techniques connexes

General Information

Status
Published
Publication Date
12-Dec-2018
Current Stage
9093 - International Standard confirmed
Completion Date
24-May-2024
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ISO 7289:2018:Version 24-apr-2020 - Gas welding equipment -- Quick-action couplings with shut-off valves for welding, cutting and allied processes
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ISO 7289:2018 - Gas welding equipment -- Quick-action couplings with shut-off valves for welding, cutting and allied processes
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INTERNATIONAL ISO
STANDARD 7289
Fourth edition
2018-12
Gas welding equipment — Quick-
action couplings with shut-off
valves for welding, cutting and
allied processes
Matériel de soudage aux gaz — Raccords rapides à obturation pour
soudage, coupage et techniques connexes
Reference number
ISO 7289:2018(E)
©
ISO 2018

---------------------- Page: 1 ----------------------
ISO 7289:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
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 2018 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 7289:2018(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Types of coupling . 1
5 Installation . 2
6 Design requirement . 2
6.1 Dimensions, non-interchangeability and interchangeability . 2
6.2 Configuration . 2
6.3 Coupling and uncoupling . 3
6.4 Connections . 3
6.5 Materials . 3
7 Working requirements . 4
7.1 Pressure resistance . 4
7.2 Gas tightness . 4
7.2.1 General requirements . 4
7.2.2 Specific requirements . 4
7.3 Pressure drop .
...

INTERNATIONAL ISO
STANDARD 7289
Fourth edition
2018-12
Corrected version
2021-08
Gas welding equipment — Quick-
action couplings with shut-off valves
for welding, cutting and allied
processes
Matériel de soudage aux gaz — Raccords rapides à obturation pour
soudage, coupage et techniques connexes
Reference number
ISO 7289:2018(E)
©
ISO 2018

---------------------- Page: 1 ----------------------
ISO 7289:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
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 2018 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 7289:2018(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Types of coupling . 2
5 Installation . 2
6 Design requirement . 2
6.1 Dimensions, non-interchangeability and interchangeability . 2
6.2 Configuration . 2
6.3 Coupling and uncoupling . 3
6.4 Connections . 3
6.5 Materials . 3
7 Working requirements . 4
7.1 Pressure resistance . 4
7.2 Gas tightness . 4
7.2.1 General requirements . 4
7.2.2 Specific requirements . 4
7.3 Pressure drop .
...

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