ISO/TC 138/SC 4/WG 1 - Mechanical fittings
Raccords mécaniques
General Information
Frequently Asked Questions
ISO/TC 138/SC 4/WG 1 is a Subcommittee within the International Organization for Standardization (ISO). It is named "Mechanical fittings". This committee has published 1 standards.
ISO/TC 138/SC 4/WG 1 develops ISO standards. Currently, there are 1 published standards from this subcommittee.
The International Organization for Standardization (ISO) is an independent, non-governmental international organization that develops and publishes international standards. Founded in 1947 and headquartered in Geneva, Switzerland, ISO brings together experts from 170+ member countries to share knowledge and develop voluntary, consensus-based standards that support innovation and provide solutions to global challenges.
A Subcommittee (SC) in ISO operates under a Technical Committee and focuses on a specific subset of the TC's scope. Subcommittees develop standards and technical specifications in their specialized area, reporting to their parent Technical Committee. They may also have working groups for detailed technical work.
This document specifies the requirements and test methods for mechanical fittings intended to join plastic pressure piping systems including transition fittings to metal pipes for the following: - supply of gaseous fuels (GAS); - supply of water for human consumption (W), including raw water prior to treatment and for the supply of water for general purposes, as well as underground drainage and sewerage under pressure (P); - supply of water for irrigation (I); - industrial applications (IS). This document is applicable only to mechanical fittings with operating-temperature and pressure limits as indicated in the relevant systems standards. NOTE A list of International Standards for plastic pipes for which mechanical fittings can be used can be found in Annex A. Flanges are not covered by this document. Mechanical fittings for hot and cold water systems inside buildings, as well as for district heating applications, are not covered by this document.
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