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Scope

Standardization of characteristics and requirements of plastic valves for piping systems and their testing methods. Areas of application include vacuum, non-pressure and pressurized gaseous and liquid supply in above and below ground networks.

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18

Published ISO standards *

2

ISO standards under development *

22
Participating members
26
Observing members

* number includes updates

Liaison Committees to ISO/TC 138/SC 7

The committees below can access the documents of ISO/TC 138/SC 7:

Reference Title ISO/IEC
ISO/TC 153 Valves ISO
Date Month Location TC/SC Note
21 January 2025 Virtual () ISO/TC 138/SC 7  
5 March 2025 Delft (Netherlands) ISO/TC 138/SC 7  
3-6 June 2025 Zürich (Switzerland) ISO/TC 138/SC 7 *

* Information definite but meeting not yet formally convened
** Provisional

ISO/TC 138/SC 7 - Secretariat

UNI (Italy)

Piazza Leonardo da Vinci, 32
I-20133 Milano
Italy

Tel: +39 02 23996541 / +39 0223996540