
Specification for expansion vessels using an internal diaphragm, for sealed hot water heating systems.
NORMA vydána dne 29.10.1976
Designation standards: BS 4814:1976
Note: NEPLATNÁ
Publication date standards: 29.10.1976
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS