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35

published ISO standards *

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

14

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 6 Butt Fusion Procedures Working group
ISO/TC 138/SC 4/WG 7 Polyamid Pipe Systems Working group
ISO/TC 138/SC 4/WG 10 Natural compound and colouring masterbatch – specification 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]

Kiwa Technology B.V.
P.O. Box 137
NL-7300 AC Apeldoorn
Netherlands

Tel: +31 55 539 32 52
Fax: +31 55 539 32 23

Secretariat direct:

Mr Bert Wikkerink
Tel: +31 555 393 445
Fax: +31 555 393 335