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BS 7461:1991 | 30 Sep 1991 | BSI Knowledge
Standard
BS 7461:1991
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
Current
•
Published:
30 Sep 1991
Overview
Preview
References
History
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Product Details
Descriptors
Endurance testing
Valve components
Control devices
Life (durability)
Flow rates
Gas valves
Adjustment
Position switches
Electrically-operated devices
Leak tests
Adjusting devices
Performance testing
Automatic
Valves
Mechanical testing
ICS Codes
23.060.20 Ball and plug valves
Committee
GSE/22
International relationships
Not equivalent to:
EN 161:1991
ISBN
0 580 19830 8
Publisher
BSI