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ISO/AWI 22391-5

Plastics piping systems for hot and cold water installations — Polyethylene of raised temperature resistance (PE-RT) — Part 5: Fitness for purpose of the system

General information

20.00     Mar 10, 2026

ISO

ISO/TC 138/SC 2

International Standard

Scope

ISO 22391-5:2009 specifies the characteristics of the fitness for purpose of piping systems made of polyethylene of raised temperature resistance (PE-RT), Type I and polyethylene of raised temperature resistance (PE-RT), Type II, intended to be used for hot and cold water installations within buildings for the conveyance of water, whether or not the water is intended for human consumption (domestic systems) and for heating systems, under the design pressures and temperatures appropriate to the class of application according to ISO 22391-1.
ISO 22391-5:2009 covers a range of service conditions (classes of application), design pressures and pipe dimension classes, and also specifies test parameters and test methods. In conjunction with the other parts of ISO 22391, it is applicable to PE-RT pipes, fittings, their joints, and to joints having components of PE-RT as well as of other plastics and non-plastics materials, respectively, used for hot and cold water installations.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 22391-5:2009

PUBLISHED
ISO 22391-5:2009/Amd 1:2020

NOW

PROJECT
ISO/AWI 22391-5
20.00 New project registered in TC/SC work programme
Mar 10, 2026

National adoptions

Plastics piping systems for hot and cold water installations — Polyethylene of raised temperature resistance (PE-RT) — Part 5: Fitness for purpose of the system

10.99   New project approved

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