本文件规定了工厂制造的隔热粘结材料的要求和试验方法 直埋式区域冷却分配系统用挠性管中管组件，包括 供水管和聚乙烯套管。管道组件还可以包括以下附加组件: 元件:测量线、垫片和扩散屏障。 本文件拟与EN 17414-1一起使用。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies requirements and test methods for factory made thermally insulated bonded flexible pipe-in-pipe assemblies for directly buried district cooling distribution systems, comprising a service pipe and a casing of polyethylene. The pipe assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers. This document is intended to be used in conjunction with EN 17414-1.All current amendments available at time of purchase are included with the purchase of this document.