ISO 16611:2017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）制成的管道系统及其部件的所需性能，用于排水或排水，无压力，包括涵洞。 买方或指定方有责任根据其特殊要求以及任何相关国家法规和安装实践或规范做出适当选择。 ISO 16611:2017适用于带有柔性或刚性接头的非圆形GRP-UP管道，主要用于埋地安装，但也可用于重新铺设现有非圆形管道。 注1 GRP-UP包括带有乙烯基酯衬里或完全由乙烯基酯制成的管道。 注2:符合ISO 16611的管道系统: 2017也可用于非埋地应用，前提是环境的影响，例如紫外线辐射，并且在管道、配件和接头的设计中考虑了支架。 ISO 16611:2017适用于公称尺寸为DN 150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输送温度高达50°C的地表水或污水。

ISO 16611:2017 specifies the required properties of the piping system and its components made from glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) intended to be used for drainage or sewerage without pressure including culverts. It is the responsibility of the purchaser or specifier to make the appropriate selections taking into account their particular requirements and any relevant national regulations and installation practices or codes. ISO 16611:2017 is applicable to non-circular GRP-UP pipes, with flexible or rigid joints, primarily intended for use in buried installations but may also be used to reline existing non-circular pipe lines. NOTE 1 GRP-UP includes pipes with vinyl ester liners or made entirely from vinyl ester. NOTE 2 Piping systems conforming to ISO 16611:2017 can be used also for non-buried applications provided the influence of the environment, e.g. from UV-radiation, and the supports are considered in the design of the pipes, fittings and joints. ISO 16611:2017 is applicable to pipes, fittings and their joints of nominal sizes from DN 150 to DN 4000, which are intended to be used for the conveyance of surface water or sewage at temperatures up to 50 °C.