ONORM EN 488:2003被替代
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：Osterreichisches Normungsinstitut
專家解讀視頻
Specifies requirements and test methods for prefabricated thermally insulated valve assemblies, comprising rigid polyurethane foam insulation, a steel valve, and outer casing of polyethylene.
SS EN 488 Ed. 3 (2011) - Identical
I.S. EN 488:2003 - Identical
NBN EN 488:2003 - Identical
NS EN 488 Ed. 2 (2003) - Identical
NF EN 488:2003 - Identical
UNI EN 488:1995 - Identical
UNE EN 488:2005 - Identical
SS EN 488 Ed. 2 (2003) - Identical
UNI EN 488:2003 - Identical
NEN EN 488:2003 - Identical
BS EN 488:2003 - Identical
DIN EN 488 (2003-05) - Identical
SN EN 488:2003 - Identical
