DIN EN 15632-4-2009 区域供暖管道.预隔热弹性管道系统.第4部分:带金属管道的熔接系统.试验方法和要求.德文和英文版本本EN 15632-4-2009
District heating pipes - Pre-insulated flexible pipe systems - Part 4: Bonded system with metal service pipes - Requirements and test methods; German and English version EN 15632-4:2009
This European Standard provides requirements and test methods for flexible, pre-insulated, directly buried
district heating pipe assemblies with metallic service pipes and bonding between the layers of the pipes and
thermal insulation materials of polyurethane or polyisocyanurate foam, the casing pipes being made of
polyethylene.
This European Standard is valid for maximum operating temperatures up to 140 ℃ and pressures up to
25 bar for a design lifetime of at least 30 years.
NOTE For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this European Standard.