District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems; German and English version EN 14419:2009— 51 стр.
District heating pipes - Preinsulated bonded twin pipe systems for directly buried hot water networks - Part 2: Fitting and valve assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene— 18 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; German version EN 448:2015— 36 стр.
District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design; German and English version EN 13941-1:2019— 326 стр.
District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 2: Installation; German and English version EN 13941-2:2019— 195 стр.
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German and English version EN 489:2009— 57 стр.
