BS EN 448:1995 Preinsulated bonded pipe systems for underground hot water networks. Fittings assemblies of steel service pipes, polyurethane thermal insulation and outer casing of high density polyethylene
2019BS EN 448:2019 District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene
2015BS EN 448:2015 District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
2009BS EN 448:2009 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
2003BS EN 448:2003 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
1995BS EN 448:1995 Preinsulated bonded pipe systems for underground hot water networks. Fittings assemblies of steel service pipes, polyurethane thermal insulation and outer casing of high density polyethylene