DS/EN 15698-1:2009
区域供热管 直埋式热水管网用预绝缘粘合双管系统 第1部分：钢制服务管、聚氨酯隔热层和聚乙烯外壳的双管组件

District heating pipes - Preinsulated bonded twin pipe systems for directly buried hot water networks - Part 1: Twin pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene

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标准号

DS/EN 15698-1:2009

发布

2009年

发布单位

丹麦标准化协会

当前最新

DS/EN 15698-1:2009

 

 

适用范围

This European Standard for District Heating Twin Pipes, specifies requirements and test methods for straight lengths of prefabricated thermally insulated pipe-in-pipe assemblies for directly buried hot water networks, comprising two steel service pipes from DN 15 to DN 250, rigid polyurethane foam insulation and one cylindrical outer casing of polyethylene. The pipe assembly may also include the following additional elements: Measuring wires, spacers and diffusion barriers.This standard applies only to insulated twin pipe assemblies, for continuous operation with hot water at various temperatures up to 120 °C and occasionally with a peak temperature up to 1

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