Devices with moving parts for the prevention of contamination of water by backflow. Specification for combined check and anti-vacuum valves of nominal size up to and including DN 42.
NORMA vydána dne 30.11.1982
Designation standards: BS 6282-4:1982
Note: NEPLATNÁ
Publication date standards: 30.11.1982
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Kategorie: Technické normy BS