
District Heating Pipes - Preinsulated Bonded Pipe Systems For Directly Buried Hot Water Networks - Pipe Assembly Of Steel Service Pipe, Polyurethane Thermal Insulation And Outer Casing Of Polyethylene
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Describes requirements and test methods for straight lengths of prefabricated thermally insulated pipe-in-pipe assemblies for directly buried hot water networks, comprising a steel service pipe from DN 15 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene.
NEN EN 253:2009 - Identical
NS EN 253:2009 - Identical
SN EN 253:2009 - Identical
UNI EN 253:2009 - Identical
NBN EN 253:2009 - Identical
UNE EN 253:2005 - Identical
NS EN 253:2003 - Identical
UNI EN 253:2007 - Identical
NBN EN 253:2003 - Identical
ONORM EN 253:2009 - Identical
UNE EN 253:2010 - Identical
EN 253:2009 - Identical
NF EN 253:2009 - Identical
SN EN 253:2003 - Identical
NEN EN 253:2003 - Identical
ONORM EN 253:2007 - Identical