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  • BSI
    BS ISO 4437-5:2014 Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) - Fitness for purpose of the system
    Edition: 2014
    $313.97
    / user per year

Description of BS ISO 4437-5:2014 2014

This part of ISO 4437 specifies the requirements of fitness for purpose of the polyethylene (PE) piping system to be used for the supply of gaseous fuels.

It specifies the definitions of electrofusion, socket fusion, butt fusion, and mechanical joints.

It specifies the method of preparation of test piece joints and the tests to be carried out on these joints for assessing the fitness for purpose of the system under normal and extreme conditions.

It specifies the test parameters for the test methods referred to in this part of ISO 4437.

In conjunction with ISO 4437-1, ISO 4437-2, ISO 4437-3, and ISO 4437-4, it is applicable to PE pipes, fittings, 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, derating coefficients are given in Annex A.

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 4437-5:2014
TitlePlastics piping systems for the supply of gaseous fuels. Polyethylene (PE) - Fitness for purpose of the system
StatusWithdrawn
Publication Date2014-01-31
Withdrawn Date2024-02-21
ReplacesBS ISO 8085-1:2001, BS ISO 4437:2007, BS ISO 8085-3:2001, BS ISO 8085-2:2001
Replaced ByBS ISO 4437-5:2024
Identical National Standard OfISO 4437-5:2014
DescriptorsPolyethylene, Gas pipes, Gas supply, Mathematical calculations, Pipes, Plastics, Gases, Physical properties of materials, Dimensions, Marking, Gas pipelines, Mechanical properties of materials, Pipe coatings, Underground, Gaseous fuels
ICS83.140.30 Plastics pipes and fittings for non fluid use, 75.200 Petroleum products and natural gas handling equipment
CommitteePRI/88
ISBN978 0 580 77409 6
PublisherBSI
Pages22

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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