ISO 10297:2024

Gas cylinders — Cylinder valves — Specification and type testing

ISO 10297:2024

Name:ISO 10297:2024   Standard name:Gas cylinders — Cylinder valves — Specification and type testing
Standard number:ISO 10297:2024   language:English language
Release Date:31-Mar-2024   technical committee:ISO/TC 58/SC 2 - Cylinder fittings
Drafting committee:ISO/TC 58/SC 2/WG 6 - Gas cylinder valves - Specifications and testing   ICS number:23.020.35 - Gas cylinders

International
Standard
ISO 10297
Fourth edition
Gas cylinders — Cylinder valves —
2024-04
Specification and type testing
Bouteilles à gaz — Robinets de bouteilles — Spécifications et
essais de type
Reference number
© 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: [email protected]
Website: www.iso.org
Published in Switzerland
ii
Contents Page
Foreword .v
Introduction .vii
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 Valve description . 9
5 Valve design requirements . 16
5.1 General .16
5.2 Materials .16
5.3 Valve connections .17
5.4 Mechanical strength .18
5.4.1 Resistance to hydraulic pressure .18
5.4.2 Resistance to mechanical impact .18
5.4.3 Resistance to valve spindle impact for pin-index valves .19
5.5 Valve operating mechanism.19
5.5.1 Opening and closing of the valve.19
5.5.2 Endurance .19
5.5.3 Resistance to excessive torques . 20
5.5.4 Acetylene specific requirements . 22
5.6 Valve operating device. 22
5.6.1 Closing direction . 22
5.6.2 Handwheel diameter . 23
5.6.3 Exposure to flame . 23
5.7 Leakage . 23
5.8 Resistance to ignition .24
5.9 Flow capacity .24
6 Type testing .25
6.1 General . 25
6.2 Test schedule . 25
6.3 Documentation . 28
6.4 Test samples . 28
6.5 Test report . 29
6.6 Test temperatures . 29
6.7 Test pressures . 29
6.7.1 Valve hydraulic test pressure. 29
6.7.2 Valve test pressure . 29
6.8 Test gases. 30
6.8.1 Gas quality . 30
6.8.2 Leak tightness tests .31
6.8.3 Endurance tests . .31
6.8.4 Acetylene decomposition test .31
6.8.5 Oxygen pressure surge test .31
6.9 Hydraulic pressure test .31
6.10 Flame impingement test .32
6.11 Excessive torque tests .32
6.11.1 Handwheel operated valves .32
6.11.2 Key and toggle operated valves .32
6.11.3 VIPR type C with the flow selector acting as the primary valve operating
mechanism and VIPR type B .32
6.12 Leak tightness tests . 33
6.12.1 General . 33
6.12.2 Internal leak tightness test . 33
6.12.3 External leak tightness test . 34

iii
6.13 Endurance test . 35
6.14 Endurance test of VIPR types B and C . 36
6.15 Endurance test of the filling connection non-return valve .37
6.15.1 Filling connection non-return valve downstream of the valve operating
mechanism .37
6.15.2 Filling connection non-return valve upstream of the valve operating mechanism .37
6.15.3 Test apparatus . 38
6.16 Visual examination . 38
6.17 Valve spindle impact test for pin-index valves . 39
6.18 Pressure relief valve tightness test . 39
7 Marking . .39
Annex A (normative) Impact test . 41
Annex B (normative) Tests for acetylene valves .43
Annex C (normative) Oxygen pressure surge test .45
Annex D (informative) Example of a vacuum test .52
Annex E (normative) Endurance test machine .53
Annex F (normative) Required tests for validation of changes and/or material variants within
a valve design .
...

  • Relates Information
  • ISO 8130-9:1992

    ISO 8130-9:1992 - Coating powders
    09-28
  • EN 352-2:2020/FprA1

    EN 352-2:2021/oprA1:2023
    09-28
  • IEC TS 61158-4:1999

    IEC TS 61158-4:1999 - Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 4: Data Link protocol specification Released:3/24/1999 Isbn:2831847656
    09-28
  • HD 566 S1:1990

    HD 566 S1:1998
    09-28
  • ISO 5131:1982/Amd 1:1992

    ISO 5131:1982/Amd 1:1992
    09-28
  • EN 60598-2-22:1990

    EN 60598-2-22:1996
    09-27
  • ISO 8504-2:1992

    ISO 8504-2:1992 - Preparation of steel substrates before application of paints and related products -- Surface preparation methods
    09-27
  • EN 12165:2024

    prEN 12165:2022
    09-27
  • IEC TS 61158-6:1999

    IEC TS 61158-6:1999 - Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 6: Application Layer protocol specification Released:3/24/1999 Isbn:2831847613
    09-27
  • ISO 4252:1992

    ISO 4252:1992 - Agricultural tractors -- Operator's workplace, access and exit -- Dimensions
    09-27