NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

DIN EN 448 [CURRENT] references following documents:

Document number Edition Title
EN ISO 2553 2019-04 Welding and allied processes - Symbolic representation on drawings - Welded joints (ISO 2553:2019, Corrected version 2021-09) More 
EN ISO 9001 2015-09 Quality management systems - Requirements (ISO 9001:2015) More 
EN 15698-1 2019-10 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 More 
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 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 
EN 489-1 2019-10 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 More