標準號：ISO 4427-1-2007
中文標準名稱：塑料管道系統(tǒng).給水用聚乙烯(PE)管和管件.第1部分:總則
英文標準名稱：Plastics piping systems - Polyethylene (PE) pipes and fittings for water supply - Part 1: General
標準類型：Q81
發(fā)布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：Q81
國際標準分類號：23.040.20;23.040.45
適用范圍：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.