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
EN 448-2009 标准详情
- 标准号：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
- 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：欧盟标准EN
- 发布日期：2009-02-01
内容简介
Describes 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 of polyethylene for use
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