SS-ISO-21004 Plastics piping systems - Multilayer pipes and their joints, based on thermoplastics, for water supply (ISO 21004:2006, IDT)

SS-ISO-21004 - 2006 EDITION - CURRENT


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This International Standard specifies the general requirements and the performance requirements for multilayer pipes based on thermoplastics intended to be used for water supply outside buildings, for buried water mains and services and for water supplies above ground. It gives guidance for the design of piping systems consisting of multilayer pipes based on thermoplastics or, for which at least 60 % of the wall thickness is polymeric material, and the inner layer in contact with water is made of polymeric material. The polymeric layers used for the stress-bearing layers are selected from polybutylene (PB), polyethylene (PE), crosslinked polyethylene (PE-X), polypropylene (PP), chlorinated poly(vinyl chloride) (PVC-C) and unplasticized poly(vinyl chloride) (PVC-U). NOTE 1 For the purpose of this document, crosslinked polyethylene (PE-X) as well as adhesives are to be considered as thermoplastic materials, and polyethylene of raised temperature resistance (PE-RT) is to be considered as polyethylene (PE). This document is applicable to piping systems used for the conveyance under pressure of cold water (up to approximately 20 °C) for drinking. It is also applicable to piping systems for the conveyance of water (up to and including 40 °C) for general purposes. It applies where special functional requirements are needed. NOTE 2 As an example, the different pipe layers can provide information on colour, barrier and mechanical properties, according to the intended application.

To find similar documents by classification:

23.040.20 (Plastics pipes)

23.040.45 (Plastics fittings)

93.025 (External water conveyance systems Including buried and above ground installations Internal water supply systems, see 91.140.60)

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Designation Name

SS-ISO 21004:2006

Revision Level

2006 EDITION

Status

Current

Publication Date

Nov. 6, 2006

Language(s)

English

Page Count

29