Safety and control devices for use in hot water systems. Specification for drop-tight pressure reducing valves of nominal size up to and including DN 50 for supply pressures up to and including 12 bar.
NORMA vydaná dňa 28.6.1991
Designation standards: BS 6283-4:1991
Note: NEPLATNÁ
Publication date standards: 28.6.1991
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS