ISO 10639:2004规定了由基于不饱和聚酯树脂（UP）的玻璃纤维增强热固性塑料（GRP）制成的管道系统部件的性能，以及系统本身的性能。 本规范适用于GRP-UP管道系统，该系统具有柔性或刚性接头，具有或不具有端部推力承载能力，主要用于埋地安装。 本标准适用于公称尺寸为DN 50至DN 4000的管道、管件及其接头，这些管道、管件及其接头拟用于在温度高达50°C的条件下输送水，无论是否有压力。 在管道系统中，不同标称压力和刚度额定值的管道和管件可一起使用。

ISO 10639:2004 specifies the properties of piping system components made from glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) for water supply with or without pressure, as well as the properties of the system itself. It is applicable to GRP-UP piping systems, with flexible or rigid joints with or without end thrust load-bearing capability, primarily intended for use in buried installations. It is applicable to pipes, fittings and their joints of nominal sizes from DN 50 to DN 4000 which are intended to be used for the conveyance of water at temperatures up to 50 °C, with or without pressure. In a pipework system, pipes and fittings of different nominal pressure and stiffness ratings may be used together.