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BS EN 1555-5:2021

BS EN 1555-5:2021

$102.76

Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) – Fitness for purpose of the system

Published By Publication Date Number of Pages
BSI 2021 22
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This document specifies the requirements of fitness for purpose of the polyethylene (PE) piping system in the field of the supply of gaseous fuels.

It specifies the requirements for electrofusion, 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 document.

NOTE 1

This document is intended only to be used by the product manufacturer to assess the performance of components according to EN 1555?2 , EN 1555?3:2021 , and EN 1555?4:2021 when joined together under normal and extreme conditions in accordance with this document. It is not intended for on-site testing of pipe systems.

In conjunction with Parts 1 to 4 of EN 1555 , it is applicable to PE pipes, fittings, valves, their joints and to joints with components of other materials intended to be used under the following conditions:

  1. a maximum operating pressure, MOP, up to and including 10 bar 1

    1

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

    at a reference temperature of 20 °C for design purposes;

  2. an operating temperature between ? 20 °C and 40 °C.

NOTE 2

For other operating temperatures between 20 °C and 40 °C, derating coefficients are defined in Annex A.

EN 1555 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
2 Normative references
11 3 Terms and definitions
4 Symbols and abbreviations
5 Fitness for purpose
5.1 Method of preparation of assemblies for testing
5.1.1 General
12 5.1.2 Butt fusion joints
5.1.3 Electrofusion jointing
5.1.4 Mechanical joints
5.2 Requirements for fitness for purpose
5.2.1 General
13 5.2.2 Fitness for purpose of butt fusion joints
5.2.2.1 Under normal conditions (ambient temperature 23 °C)
5.2.2.2 Under extreme conditions
14 5.2.3 Fitness for purpose for electrofusion joints
5.2.3.1 Under normal conditions (ambient temperature 23 °C)
5.2.3.2 Under extreme conditions
15 5.2.4 Fitness for purpose for mechanical joints
5.3 Conditioning
5.4 Requirements
17 5.5 Testing of pipe with coextruded layers
6 Design coefficient
18 Annex A (informative)Derating coefficients for operating temperatures
19 Annex B (normative)Rapid crack propagation (RCP) resistance of pipe at temperature less than 0 °C

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BS EN 1555-5:2021
$102.76