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.

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Sustainable Development Goals

This committee contributes with 54 standards to the following Sustainable Development Goals:

4
Quality Education
5
Gender Equality
6
Clean Water and Sanitation
7
Affordable and Clean Energy
8
Decent Work and Economic Growth
9
Industry, Innovation and Infrastructure
11
Sustainable Cities and Communities
13
Climate Action
36

Published ISO standards *

7

ISO standards under development *

34
Participating members
22
Observing members

* number includes updates

Liaison Committees to ISO/TC 138/SC 4

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

 

Liaison Committees from ISO/TC 138/SC 4

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

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
Web:

  2. Taking part
  3. Who develops standards
  4. Technical Committees
  5. ISO/TC 138
  6. SC 4