DIN EN 448-2003 地下敷设的远距离供热网络用预隔热连接外皮的管道系统.由钢介质管,聚氨脂绝热和聚乙烯外皮构成的连结管异型件
DIN EN 448-2003 标准详情
- 标准号:DIN EN 448-2003
- 中文标题:地下敷设的远距离供热网络用预隔热连接外皮的管道系统.由钢介质管,聚氨脂绝热和聚乙烯外皮构成的连结管异型件
- 英文标题: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:德国标准
- 发布日期:2003-05
内容简介
This European Standard 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 1200, rigid polyurethane foam insulation and an outer casing
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