ISO 4437-4:2015

Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 4: Valves

95.99 Withdrawal of Standard 10 nën 2022

General information

Current stage: 95.99 Effective date: 10 nën 2022

Originator: ISO

Owner: ISO/TC 138/SC 7

Type: International Standard

ICS: 83.140.30 75.200

Scope

ISO 4437-4:2015 specifies the characteristics of valves made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.
It also specifies the test parameters for the test methods referred to in this part of ISO 4437.

Life cycle

PREVIOUSLY

Revises
ISO 10933:1997

NOW

WITHDRAWN
ISO 4437-4:2015
95.99 Withdrawal of Standard
10 nën 2022

REVISED BY

PUBLISHED
ISO 4437-4:2022

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