District heating pipes - Factory made flexible pipe systems - Part 1: Classification, general requirements and test methods; German version EN 15632-1:2022
Edition 2022-08

Surface boxes and ground plates - Part 4: Conformity assessment
Edition 2022-08

Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 1: Induction bends (ISO 15590-1:2018, modified); German version EN 14870-1:2023
Edition 2023-10

Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanism; German version EN 1680:1997
Edition 1997-03

Gas infrastructure - Quality of gas - Hydrogen used in rededicated gas systems; German version CEN/TS 17977:2023
Edition 2024-06

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made pipe assembly of steel service pipe, polyurethane thermal insulation and a casing of polyethylene; German version EN 253:2019
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 15698-1:2019
Edition 2020-04

District heating pipes - Factory made flexible pipe systems - Part 2: Bonded system with plastic service pipes; requirements and test methods; German version EN 15632-2:2022
Edition 2022-08

Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightness under and after bending applied to the operating mechanisms; German and English version prEN 1680:2023
Edition 2023-11