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BS EN 1555-2:2021

BS EN 1555-2:2021

$167.15

Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) – Pipes

Published By Publication Date Number of Pages
BSI 2021 34
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This document 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 document.

In conjunction with Parts 1 and 3 to 5 of EN 1555 , it is applicable to PE pipes, their joints and to joints with components of PE and other materials intended to be used under the following conditions:

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

For operating temperatures between 20 °C and 40 °C derating coefficients are defined in EN 1555?5:2021 .

EN 1555 covers a range of maximum operating pressures and gives requirements concerning colours.

It covers three types of pipe:

  1. PE pipes (outside diameter d n) including any identification stripes;

  2. PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter d n) as specified in Annex A, where all layers have the same MRS rating. A coextruded pipe made of a combination of PE 100 and PE 100-RC layers shall be regarded as PE 100 and marked accordingly;

  3. PE pipes (outside diameter d n) with a peelable, contiguous thermoplastics additional layer on the outside of the pipe (‘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.

PDF Catalog

PDF Pages PDF Title
2 undefined
undefined
10 1 Scope
1 Scope
2 Normative references
2 Normative references
12 3 Terms and definitions
3 Terms and definitions
4 Symbols and abbreviations
4 Symbols and abbreviations
5 Material
5 Material
5.1 Compound for pipes
5.1 Compound for pipes
5.2 Compound for identification stripes
5.2 Compound for identification stripes
5.3 External reworked and recycled material
5.3 External reworked and recycled material
13 6 General characteristics
6 General characteristics
6.1 Appearance
6.1 Appearance
6.2 Colour
6.2 Colour
7 Geometrical characteristics
7 Geometrical characteristics
7.1 Measurement of dimensions
7.1 Measurement of dimensions
7.2 Mean outside diameters, out-of-roundness (ovality) and tolerances
7.2 Mean outside diameters, out-of-roundness (ovality) and tolerances
15 7.3 Wall thicknesses and related tolerances
7.3 Wall thicknesses and related tolerances
7.3.1 Minimum wall thicknesses
7.3.1 Minimum wall thicknesses
16 7.3.2 Tolerance on the wall thicknesses
7.3.2 Tolerance on the wall thicknesses
18 7.4 Circumferential reversion of pipes with a dn equal to or greater than 250 mm
7.4 Circumferential reversion of pipes with a dn equal to or greater than 250 mm
7.5 Coiled pipe
7.5 Coiled pipe
7.6 Lengths
7.6 Lengths
8 Mechanical characteristics
8 Mechanical characteristics
8.1 Conditioning
8.1 Conditioning
8.2 Requirements
8.2 Requirements
22 9 Physical characteristics
9 Physical characteristics
9.1 Conditioning
9.1 Conditioning
9.2 Requirements
9.2 Requirements
23 10 Performance requirements
10 Performance requirements
11 Marking
11 Marking
11.1 General
11.1 General
24 11.2 Minimum required marking
11.2 Minimum required marking
11.3 Additional marking
11.3 Additional marking
25 Annex A (normative)Pipes with co-extruded layers
Annex A (normative)Pipes with co-extruded layers
A.1 General
A.1 General
A.2 Material
A.2 Material
A.3 Geometrical characteristics
A.3 Geometrical characteristics
A.4 Mechanical characteristics
A.4 Mechanical characteristics
A.5 Physical characteristics
A.5 Physical characteristics
A.6 Marking
A.6 Marking
26 A.7 Delamination
A.7 Delamination
A.8 Integrity of the structure
A.8 Integrity of the structure
27 Annex B (normative)Pipes with peelable layer
Annex B (normative)Pipes with peelable layer
B.1 General
B.1 General
B.2 Geometrical characteristics
B.2 Geometrical characteristics
B.3 Mechanical characteristics
B.3 Mechanical characteristics
B.4 Physical characteristics
B.4 Physical characteristics
B.5 Coating adhesion
B.5 Coating adhesion
28 B.6 Marking
B.6 Marking
29 Annex C (normative)Squeeze-off technique
Annex C (normative)Squeeze-off technique
C.1 General squeeze-off technique
C.1 General squeeze-off technique
C.2 Test method
C.2 Test method

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