EN 253:1990 Preinsulated bonded pipe systems for underground hot water networks; pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of high density polyethylene
2015EN 253:2009+A2:2015 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
2013EN 253:2009+A1:2013 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
2009EN 253:2009 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 (Incorporates Amendment A1: 2013)
2003EN 253:2003 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 Includes Amendment A2: 2006
1994EN 253:1994 Preinsulated Bonded Pipe Systems for Underground Hot Water Networks - Pipe Assembly of Steel Service Pipes, Polyurethane Thermal Insulation and Outer Casing of Polyethylene
1990EN 253:1990 Preinsulated bonded pipe systems for underground hot water networks; pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of high density polyethylene