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  • BSI
    21/30432481 DC BS EN 12201-2. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Part 2. Pipes
    Edition: 2021
    $44.66
    / user per year

Description of 21/30432481 DC 2021

This document specifies the characteristics of pipes made from polyethylene (PE) for buried and 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, and water for other purposes.

NOTE 1

For PE components intended for the conveyance of water for human consumption and raw water prior to treatment attention is drawn to 6.3 of this document. Components manufactured for water for general purposes, drainage and sewerage are possibly not suitable for water supply for human consumption.

For use in contaminated soils special consideration is taken for pipes intended for the transport of water intended for human consumption or raw water prior to treatment.

NOTE 2

Pipes constructions including barrier layers are not covered by this document. ISO 21004 provides an alternative solution for use in contaminated soils [9].

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

In conjunction with Part 1 and Parts 3 to 5 of EN 12201, 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. allowable operating pressure, PFA, up to 25 bar 1)

    1

    ) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

    ;

  2. an operating temperature of 20 °C as a reference temperature;

  3. buried in the ground;

  4. sea outfalls;

  5. laid in water;

  6. above ground, including pipes suspended below bridges.

NOTE 3

For applications operating at constant temperatures greater than 20 °C and up to 40 °C, see prEN 12201-1:2021, Annex A

EN 12201 series covers a range of allowable operating pressures and gives requirements concerning colours.

This document specifies three types of pipe:

  1. PE pipes (outside diameter dn) 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 dn) as specified in Annex B, where all layers have the same MRS rating. A coextruded pipe made of a combination of PE 100 and PE 100-RC layers are regarded as PE 100 and marked accordingly.

  3. PE pipes (outside diameter dn) with a peelable, contiguous thermoplastics additional layer on the outside of the pipe (‘coated pipe’) as specified in Annex C.

NOTE 4

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 guidance or regulations and installation practices or codes.

NOTE 5

Assessment of the resistance to slow crack growth of the PE pipe compound used for the manufacture of products to this document is required in accordance with prEN 12201-1:2021, Table 2.



Standard Number21/30432481 DC
TitleBS EN 12201-2. Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE) - Part 2. Pipes
StatusDefinitive
Publication Date2021-04-08
Identical National Standard OfprEN 12201-2
DescriptorsPlastics, Piping systems, Water supply, Sewerage, Pressure, Polyethylene, Drainage, Pipes
ICS23.040.20 Plastics pipes
CommitteePRI/88/2
PublisherBSI
Pages29

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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