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35
published ISO standards *

under the direct responsibility of ISO/TC 138/SC 4

8
ISO standards under development *

under the direct responsibility of ISO/TC 138/SC 4

33
Participating members
22
Observing members

* number includes updates

Reference Title Type
ISO/TC 138/SC 4/WG 1   Mechanical fittings Working group
ISO/TC 138/SC 4/WG 2   Fusion of PE Pipe Systems Working group
ISO/TC 138/SC 4/WG 3   PE Pipe Systems Working group
ISO/TC 138/SC 4/WG 7   Polyamid Pipe Systems Working group
Liaison Committees to ISO/TC 138/SC 4

The committees below can access the documents of ISO/TC 138/SC 4:

Reference Title ISO/IEC
ISO/TC 138/SC 8 Rehabilitation of pipeline systems ISO

 

Liaison Committees from ISO/TC 138/SC 4

ISO/TC 138/SC 4 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 61 Plastics ISO
ISO/TC 138/SC 8 Rehabilitation of pipeline systems ISO

ISO/TC 138/SC 4 - Secretariat

NEN [Netherlands]

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