标准号:IS 7634 Pt.1-1975
发布日期:1975/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This code ( Part I ) deals with the selection of plastic pipe systems for cold water services up to 37°C and general recommendations applicable to all types of plastic pipe systems.1.2 The code is limited to plastic pipes extruded from thermoplastic materials. In this code wherever the term ' polyethylene ' appears singly, it refers to both low density and high density polyethylene pipes.