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Norm

ISO 4427-1:2019

Ausgabedatum: 2019 08 06

Plastics piping systems for water supply and for drainage and sewerage under pressure — Polyethylene (PE) — Part 1: General

This document specifies the general aspects of polyethylene (PE) compounds for the manufacture of pressure pipes and fittings (mains and service pipes) for buried or abov...
Gültig

This document specifies the general aspects of polyethylene (PE) compounds for the manufacture of pressure pipes and fittings (mains and service pipes) 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.

This document also specifies the test parameters and requirements for the test methods referred to in this document.

In conjunction with other parts of the ISO 4427 series, this document is applicable to PE pipes and fittings, 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 bar[1];

b) an operating temperature of 20 °C as the reference temperature.

NOTE 1 For other operating temperatures, guidance is given in Annex A.

The ISO 4427 series covers a range of maximum allowable operating pressures and gives requirements concerning colours.

NOTE 2 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.

ISO 4427-1:2019
2019 08 06
Plastics piping systems for water supply and for drainage and sewerage under pressure — Polyethylene...
Norm
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2015 03 05
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ISO 4427-1:2007/Cor 1:2008
2008 08 11
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ISO 4427-1:2007
2007 07 31
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ISO 4427:1996
1996 12 19
Polyethylene (PE) pipes for water supply — Specifications
Norm
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