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— 34 стр.
Paints and varnishes. Corrosion protection of steel structures by protective paint systems. Development of specifications for new work and maintenance— 54 стр.
BS EN 488. District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene— 30 стр.
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— 32 стр.