BS ISO 4427-1:2007+A1:2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Plastics piping systems. Polyethylene (PE) pipes and fittings for water supply General
Hardcopy , PDF
15-08-2019
English
30-04-2015
This part of ISO4427 specifies the general aspects of polyethylene (PE) piping systems (mains and service pipes) intended for the conveyance of water for human consumption, including raw water prior to treatment and water for general purposes. It also specifies the test parameters for the test methods to which it refers. In conjunction with the other parts of ISO4427 , it is applicable to PE pipes, fittings, their joints and to mechanical joints with components of other materials, intended to be used under the following conditions: a maximum operating pressure (MOP) up to and including 25 bar 1) ; an operating temperature of 20°C as the reference temperature. NOTE1 For applications operating at constant temperatures greater than 20°C and up to 40°C, see AnnexA. NOTE2 ISO4427 covers a range of maximum operating pressures and gives requirements concerning colours and additives. 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.
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