NBN EN 448-2003
NBN EN 448-2003 标准详情
- 标准号：NBN EN 448-2003
- 中文标题：
- 英文标题：District Heating Pipes - Preinsulated Bonded Pipe Systems For Directly Buried Hot Water Networks - Fitting Assemblies Of Steel Service Pipes, Polyurethane Thermal Insulation And Outer Casing Of Polyethylene
- 标准类别：比利时标准NBN
- 发布日期：
内容简介
Specifies requirements and test methods for fittings of prefabricated thermally insulated pipe in pipe assemblies, comprising a steel service fitting from DN 20 to DN 600, rigid polyurethane foam insulation and an outer casing of polyethylene. Covera
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