NEN EN 15698-1-2007
NEN EN 15698-1-2007 标准详情
- 标准号：NEN EN 15698-1-2007
- 中文标题：
- 英文标题：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
- 标准类别：荷兰国家标准NEN
- 发布日期：
内容简介
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 insulat
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