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  • BS ISO 4427-2:2019

    Current The latest, up-to-date edition.
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    Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) Pipes

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  19-08-2019

    Publisher:  British Standards Institution

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    This document specifies the pipes made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of:

    NOTE1

    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.

    NOTE2

    For example, ISO21004 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 ISO4427series, 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:

    1. a maximum allowable operating pressure (PFA) up to and including 25bar 1

      1

      1bar=0,1MPa=10 5Pa; 1MPa=1N/mm 2.

      ;

    2. an operating temperature of 20 C as the reference temperature.

    NOTE3

    For other operating temperatures, guidance is given in ISO4427-1:2019, AnnexA.

    This document covers a range of maximum allowable operating pressures and gives requirements concerning colours.

    NOTE4

    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.

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    Committee PRI/88/2
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes
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