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Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 2: Pipes
This document specifies the pipes made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of:
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:
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:
NOTE 3 For other operating temperatures, guidance is given in ISO 4427‑1:2019, Annex A.
This document covers a range of maximum allowable operating pressures and gives requirements concerning colours.
NOTE 4 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and installation practices or codes.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
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