
Specification for electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow control.
STANDARD published on 30.9.1991
Designation standards: BS 7461:1991
Publication date standards: 30.9.1991
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS
Additional requirements and test methods. Supplements BS EN 161. Status: Confirmed