DS EN 488:2011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：Danish Standards
专家解读视频
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.
2011 Edition Re-Issued in March 2014 & incorporates AMD 1 2014. 2011 Edition is still active and will be withdrawn on 31-08-2014. (03/2014)
EN 488:2015 - Identical
