NS EN 489-2009
NS EN 489-2009 标准详情
- 标准号:NS EN 489-2009
- 中文标题:
- 英文标题:District Heating Pipes - Preinsulated Bonded Pipe Systems For Directly Buried Hot Water Networks - Joint Assembly For Steel Service Pipes, Polyurethane Thermal Insulation And Outer Casing Of Polyethylene
- 标准类别:挪威标准NS
- 发布日期:
内容简介
Specifies requirements for joints, made under field conditions, between adjacent preinsulated pipes and/or fittings in district heating networks. Specifies methods for type tests of complete joints and PUR-foam for joints under laboratory conditions.
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