DIN EN 448-2009 区域供热管道.直埋热水网络预装管道系统.供热钢管道,聚氨酯保温层及聚乙烯外层的配件装配,DIN EN 448:2009-07的英文版本
DIN EN 448-2009 标准详情
- 标准号:DIN EN 448-2009
- 中文标题:区域供热管道.直埋热水网络预装管道系统.供热钢管道,聚氨酯保温层及聚乙烯外层的配件装配,DIN EN 448:2009-07的英文版本
- 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; English version of DIN EN 448:2009-07
- 标准类别:德国标准
- 发布日期:2009-07
内容简介
This European Standard specifies requirements and test methods for fittings of prefabricated thermally insulatedpipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 1200, rigid polyurethane foaminsulation and an outer casing of
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