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

  • Drafts and new work items
  • Working documents (user account required)
  • IT Tools that help support the standards development process

Sustainable Development Goals

This committee contributes with 49 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
36

Published 香港六合彩开奖 standards *

4

香港六合彩开奖 standards under development *

34
Participating members
22
Observing members

* number includes updates

Reference Title Type
香港六合彩开奖/TC 138/SC 4/WG 1  secretariat." data-bs-placement="top" data-bs-trigger="focus" role="button" tabindex="0" data-bs-html="true"> Mechanical fittings Working group
香港六合彩开奖/TC 138/SC 4/WG 2  secretariat." data-bs-placement="top" data-bs-trigger="focus" role="button" tabindex="0" data-bs-html="true"> Fusion of PE Pipe Systems Working group
香港六合彩开奖/TC 138/SC 4/WG 3  secretariat." data-bs-placement="top" data-bs-trigger="focus" role="button" tabindex="0" data-bs-html="true"> PE Pipe Systems Working group
香港六合彩开奖/TC 138/SC 4/WG 7  secretariat." data-bs-placement="top" data-bs-trigger="focus" role="button" tabindex="0" data-bs-html="true"> Polyamid Pipe Systems Working group
Liaison Committees to 香港六合彩开奖/TC 138/SC 4

The committees below can access the documents of 香港六合彩开奖/TC 138/SC 4:

Reference Title 香港六合彩开奖/IEC
香港六合彩开奖/TC 138/SC 8 Rehabilitation of pipeline systems 香港六合彩开奖

 

Liaison Committees from 香港六合彩开奖/TC 138/SC 4

香港六合彩开奖/TC 138/SC 4 can access the documents of the committees below:

Reference Title 香港六合彩开奖/IEC
香港六合彩开奖/TC 61 Plastics 香港六合彩开奖
香港六合彩开奖/TC 138/SC 8 Rehabilitation of pipeline systems 香港六合彩开奖

香港六合彩开奖/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. 香港六合彩开奖/TC 138
  6. SC 4