
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:National Standards Authority of Ireland

专家解读视频
Defines 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.
NS EN 253:2009 - Identical
UNI EN 253:2009 - Identical
BS EN 253:2009+A2:2015 - Identical
NEN EN 253:2009 - Identical
ONORM EN 253:2009 - Identical
ONORM EN 253:2013 - Identical
UNI EN 253:2016 - Identical
SS EN 253:2009 - Identical
NBN EN 253:2009 - Identical
SN EN 253:2009 - Identical
ONORM EN 253:2015 - Identical
EN 253:2009 - Identical
NF EN 253:2009 - Identical
UNE EN 253:2010 - Identical
UNI EN 253:2013 - Identical