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— 32 стр.
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— 38 стр.
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— 20 стр.
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— 20 стр.