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RS ISO 4427-2:2019/Amd 1:2023
Plastics piping systems for water supply, and for drainage and sewerage under pressure — Polyethylene (PE) Part 2: Pipes

Abstract

This document specifies the pipes made from polyethylene (PE) for buried or above ground applications,
intended for the conveyance of:
— water for human consumption;
— raw water prior to treatment;
— drainage and sewerage under pressure;
— vacuum sewer systems;
— water for other purposes.
NOTE 1 The intended uses include sea outfalls, laid in water and pipes suspended below bridges.
Pipes complying with this document are not intended for the transport of water intended for human
consumption in contaminated soils unless special consideration has been taken.
NOTE 2 For example, ISO 21004 provides an alternative solution for use in contaminated soils. See
Reference [3] in the Bibliography.
This document specifies three types of pipe:
— PE pipes (outside diameter dn), including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside
diameter dn) where all layers have the same MRS rating;
— PE pipes (outside diameter dn) having a peelable and contiguous thermoplastics additional layer on
the outside of the pipe (“coated pipe”).
This document also specifies the test parameters for the test methods referred to in this document.
In conjunction with the other parts of the ISO 4427 series, this document is applicable to PE pipes, their
joints and to joints with components made of PE and other materials, intended to be used under the
following conditions:
a) a maximum allowable operating pressure (PFA) up to and including 25 bar1);
b) an operating temperature of 20 °C as the reference temperature.
NOTE 3 For other operating temperatures, guidance is given in ISO 4427-1:2019, Annex A.

General Information

Code	Classification	Theme	Pages	Publisher	Availability
RS ISO 4427-2:2019/Amd 1:2023	ADOPTED ISO STANDARDS	Manufacturing engineering	37	Second Edition Dec 2023	Available