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  • BSI
    BS ISO 4437-2:2014 Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) - Pipes
    Edition: 2014
    $411.69
    / user per year

Description of BS ISO 4437-2:2014 2014

This part of ISO 4437 specifies the characteristics of pipes made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.

It also specifies the test parameters for the test methods referred to in this International Standard.

In conjunction with part of ISO 4437-1, ISO 4437-3, ISO 4437-4, and ISO 4437-5, it is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:

  1. the maximum operating pressure (MOP) is based on the design stress determined from the compound minimum required strength (MRS) divided by the C factor, and taking into account rapid crack propagation (RCP) requirements;

  2. a temperature of 20 °C as reference temperature for the design basis.

NOTE 1 For other operating temperatures, guidance is given in ISO 4437-5:2014.

For above ground application of pipes conforming to this International Standard, the pipes should be protected by a casing pipe, taking into account any relevant national regulations and installation practices or codes.

This part of ISO 4437 covers three types of pipes:

  • 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) as specified in Annex A, where all PE layers have the same MRS rating;

  • PE pipes (outside diameter dn) with a peelable and contiguous thermoplastics additional layer on the outside (coated pipe) as specified in Annex B.

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 any relevant national regulations and installation practices or codes.



Standard NumberBS ISO 4437-2:2014
TitlePlastics piping systems for the supply of gaseous fuels. Polyethylene (PE) - Pipes
StatusWithdrawn
Publication Date2014-01-31
Withdrawn Date2024-02-21
ReplacesBS ISO 8085-3:2001, BS ISO 8085-2:2001, BS ISO 8085-1:2001, BS ISO 4437:2007
Replaced ByBS ISO 4437-2:2024
Identical National Standard OfISO 4437-2:2014
DescriptorsGas pipelines, Gas pipes, Dimensions, Mechanical properties of materials, Pipes, Underground, Plastics, Gas supply, Gaseous fuels, Pipe coatings, Gases, Mathematical calculations, Polyethylene, Marking, Physical properties of materials
ICS75.200 Petroleum products and natural gas handling equipment, 83.140.30 Plastics pipes and fittings for non fluid use
CommitteePRI/88/2
ISBN978 0 580 77407 2
PublisherBSI
Pages28

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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