I.S. EN 488:2015現行
District Heating Pipes - Preinsulated Bonded Pipe Systems for Directly Buried hot Water Networks - Steel Valve Assembly for Steel Service Pipes, Polyurethane Thermal Insulation and Outer Casing of Polyethylene
出版：National Standards Authority of Ireland
專家解讀視頻
Defines requirements and test methods for valves of prefabricated thermally insulated valve assemblies comprising a steel valve, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with pre-insulated pipe assemblies in accordance with EN 253.
UNI EN 488:2016 - Identical
SN EN 488:2016 - Identical
NEN EN 488:2015 - Identical
ONORM EN 488:2016 - Identical
NS EN 488:2015 - Identical
EN 488:2015 - Identical
UNE EN 488:2012 - Identical
NF EN 488:2015 - Identical
SS EN 488 Ed. 4 (2015) - Identical
