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  • BSI
    BS EN ISO 21003-1:2008 Multilayer piping systems for hot and cold water installations inside buildings - General
    Edition: 2024
    $313.97
    / user per year

Description of BS EN ISO 21003-1:2008 2024

This part of ISO 21003 specifies the general aspects of multilayer piping systems intended to be used for hot and cold water installations inside buildings for the conveyance of water — whether or not the water is intended for human consumption (domestic systems) or heating systems — under specified design pressures and temperatures appropriate to the class of application (see Table 1).

ISO 21003 is a reference product standard (see 3.4.3). It is applicable to multilayer pipes, fittings, their joints, and also to joints with components made of other plastics and non-plastics materials intended to be used for hot and cold water installations. This part of ISO 21003 is intended for use only in conjunction with all the other parts of ISO 21003.

ISO 21003 applies only to multilayer pipes with their inner layer made of plastics.

It covers a range of service conditions (application classes) and design pressures. It is not applicable for values of design temperature, TD, maximum design temperature, Tmax, and malfunction temperature, Tmal, in excess of those in Table 1.

NOTE 1 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.

The polymeric materials used for the stress-designed layers are the following: polybutylene (PB), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP) and chlorinated poly(vinyl chloride) (PVC-C).

The PE-X used shall be fully crosslinked and shall comply with the requirements of the relevant reference product standard (ISO 15875).

NOTE 2 For the purposes of ISO 21003, crosslinked polyethylene (PE-X) as well as adhesives are considered as thermoplastic materials.

Solid-wall pipes with thin outer layers (applied as protection layers or barrier layers, for instance) are not covered by ISO 21003 but are specified in the Amendments to ISO 15874-2, ISO 15875-2 and ISO 15876-2. The total thickness of such outer layers, including the thickness of the adhesives used, shall be ? 0,4 mm.



Standard NumberBS EN ISO 21003-1:2008
TitleMultilayer piping systems for hot and cold water installations inside buildings - General
StatusConfirmed
Publication Date2024-05-13
Identical National Standard OfISO 21003-1:2008, EN ISO 21003-1:2008
CorrectsBS EN ISO 21003-1:2008
DescriptorsCold-water supply systems, Classification systems, Laminates, Plastics, Pipe fittings, Thermoplastic polymers, Grades (quality), Water supply (buildings), Pressure, Pipes, Temperature, Water pipes, Pipework systems, Hot-water supply systems, Potable water
ICS91.140.60 Water supply systems, 23.040.01 Pipeline components and pipelines in general
CommitteePRI/88
ISBN978 0 539 29784 3
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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