BS 7461:1991

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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

Published By	Publication Date	Number of Pages
BSI	1991	10

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Categories: 23.060.20 - Ball and plug valves, BSI

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Description

This standard specifies the requirements and test methods for throughput adjusters, proof of closure switches, closed position indicator switches, start-gas flow control and electrical variation of flow rate when fitted to electrically operated automatic gas shut-off valves which themselves fall within the scope of BS EN 161.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Additional requirements and test methods. Supplements BS EN 161.

Additional information

Status	Confirmed
Pages	10
Publication Date	1991-09-30
ISBN	0 580 19830 8
Related National Standard Of	EN 161:1991
Standard Number	BS 7461:1991
Title	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
Replaces	BS 5963:1981
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
Publisher	BSI
Committee	GSE/22
ICS Codes	23.060.20 - Ball and plug valves

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BS 7461:1991

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