About

Scope

Standardization of pipes, fittings, piping systems and auxiliary equipment intended for the supply of gaseous fuels and made from all types of plastic materials, including all types of reinforced plastics.

Metal fittings used with plastic pipes are also included. This standardization includes - for pipes, flanges, fittings and auxiliary equipment - dimensions and their tolerances, requirements for chemical, mechanical and physical properties and guidance for the assessment of conformity.

Requirements for resulting joints between pipes and/or fittings for fitness for purpose, including test methods, equipment and codes of practice.

Quick links

36

Published ISO standards *

3

ISO standards under development *

35
Participating members
21
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]

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