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  • BSI
    BS ISO 4427-2:2019 Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Pipes
    Edition: 2019
    $435.35
    / user per year

Description of BS ISO 4427-2:2019 2019

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 d n), 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  d n) where all layers have the same MRS rating;

  • PE pipes (outside diameter d n) 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:

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

    1

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

    ;

  2. 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.

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.



Standard NumberBS ISO 4427-2:2019
TitlePlastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Pipes
StatusWithdrawn
Publication Date2019-08-19
Withdrawn Date2023-02-28
ReplacesBS ISO 4427-2:2007+A1:2014
Identical National Standard OfISO 4427-2:2019
DescriptorsPlastics, Water, Pipework systems, Marking, Physical properties of materials, Plastic pipelines, Mechanical properties of materials, Testing conditions, Potable water, Temperature, Pipes, Pressure, Polyethylene, Water supply, Dimensions
ICS91.140.60 Water supply systems, 23.040.45 Plastics fittings, 93.025 External water conveyance systems, 23.040.20 Plastics pipes
CommitteePRI/88
ISBN978 0 580 52417 2
PublisherBSI
Pages30

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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