BS 7461:1991 Electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow control (Obsolescent but remains current)
Publication Year
1991
Document Status
Current
Abstract
Additional requirements and test methods. Supplements BS EN 161.
Document History
Supersedes BS 5963:1981. Declared obsolescent but remains current. Confirmed October 2005.
ISBN
0580198308
Publisher Information
British Standards Institution
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