District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
NORMA vydaná dňa 14.6.2017
Designation standards: UNE-EN 448:2017
Note: NEPLATNÁ
Publication date standards: 14.6.2017
The number of pages: 33
Approximate weight : 99 g (0.22 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE