NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
DIN EN 489-1 [CURRENT] references following documents:
Document number | Edition | Title |
---|---|---|
EN 15698-2 | 2019-10 | 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 More |
EN 448 | 2019-10 | 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 More |
EN 488 | 2019-10 | 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 More |