Draft
International Standard
ISO/DIS 4437-4
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 4: Valves
Reference number
ISO/DIS 4437-4
Edition 3
© ISO 2026
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 4437-4:2022

ISO/DIS 4437-4

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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

9
Industry, Innovation and Infrastructure
11
Sustainable Cities and Communities
12
Responsible Consumption and Production

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