标准编号：ISO 4427-1:2007
中文名称：塑料管道系统 供水用聚乙烯管和配件 第1部分：总则
英文名称：Plastics piping systems — Polyethylene (PE) pipes and fittings for water supply — Part 1: General
发布日期：2007-08
标准范围
This part of ISO 4427 specifies the general aspects of polyethylene (PE) piping systems (mains and servicepipes) intended for the conveyance of water for human consumption, including raw water prior to treatmentand 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 ISO 4427, it is applicable to PE pipes, fittings, their joints and tomechanical joints with components of other materials, intended to be used under the following conditions:a) a maximum operating pressure (MOP) up to and including 25 bar1);b) an operating temperature of 20 °C as the reference temperature.NOTE 1 For applications operating at constant temperatures greater than 20 °C and up to 40 °C, see Annex A.NOTE 2 ISO 4427 covers a range of maximum operating pressures and gives requirements concerning colours andadditives. It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, takinginto account their particular requirements and any relevant national guidance or regulations and installation practices orcodes.
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