
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:Polish Committee for Standardization

专家解读视频
2009 + A2 2015 [14/12/2015]2009 + A1 2013 [12/06/2013]2009 [16/02/2009]2005 AMD 2 2007 [05/10/2007]2005 AMD 1 2007 [19/01/2007]2005 [29/03/2005]2004 [15/03/2004]1999 [12/03/1999]
2009 Edition Re-issued in June 2013 & incorporates AMD 1 2013. (08/2013)
EN 253:2009 - Identical