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
Edition 2020-03-15

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
Edition 2020-06

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; German version EN 488:2019
Edition 2020-03

District heating and district cooling pipes - Bonded pipe systems for directly buried hot and cold water networks - Part 2: Factory made steel valve assembly for draining and venting, polyurethane thermal insulation and a casing of polyethylene; German and English version prEN 488-2:2023
Edition 2023-08

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene; German version EN 448:2019
Edition 2020-03

Pneumatic tube systems - Operating systems
Edition 1998-10

District heating and district cooling pipe systems - Terms and definitions; German version EN 17248:2019
Edition 2019-12

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Part 1: Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene; German and English version prEN 488-1:2023
Edition 2023-08

Heat exchangers - Terminology; German version EN 247:1997
Edition 1997-07

Manufacturing processes chip removal - Part 2: Drilling, countersinking and counterboring, reaming; Classification, subdivision, terms and definitions
Edition 2003-09