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ISO 4435:2003

Plastics piping systems for non-pressure underground drainage and sewerage — Unplasticized poly(vinyl chloride) (PVC-U)

Feb 13, 2003

General information

90.60     Dec 3, 2025

ISO

ISO/TC 138/SC 1

International Standard

93.030     23.040.20  

English   French  

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Published

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Scope

ISO 4435:2003 specifies the requirements for unplasticized poly(vinyl chloride) (PVC-U) pipes, fittings and piping systems intended for use for non-pressure underground drainage and sewerage for the conveyance of soil and waste discharge of domestic and industrial origin, as well as surface water.
It covers buried pipework but does not apply to piping systems buried within the building structure.
It is applicable to PVC-U pipes with or without an integral socket.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4435:1991

NOW

PUBLISHED
ISO 4435:2003
90.60 Close of review
Dec 3, 2025

REVISED BY

ABANDON
ISO/NP 4435