District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1: Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1; German version EN 489-1:2019
Edition 2022-08

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 version EN 13941-1:2019+A1:2021
Edition 2022-06

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 version EN 13941-2:2019+A1:2021
Edition 2022-06

District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Surveillance systems; German version EN 14419:2019
Edition 2020-03

District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 1: Factory made twin pipe assembly of steel service pipes, polyurethane thermal insulation and one casing of polyethylene; German version EN 15698-1:2025
Edition 2025-07

District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 2: Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and one casing of polyethylene; German version EN 15698-2:2025
Edition 2025-07

District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 1: Qualification testing of fitter; German and English version prEN 18213-1:2025
Edition 2025-10

District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Part 2: Qualification testing of PE-Welder; German and English version prEN 18213-2:2025
Edition 2025-10

District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1: Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1
Edition 2022-12-01

District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design
Edition 2022-06-15