Safety devices for use in hot water systems. Specification for drop-tight pressure reducing valves of nominal size up to and including DN 54 for supply pressures up to and including 12 bar.
NORMA vydána dne 30.11.1982
Designation standards: BS 6283-4:1982
Note: NEPLATNÁ
Publication date standards: 30.11.1982
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS