BS 7461:1991
Current
The latest, up-to-date edition.
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
Hardcopy , PDF
English
30-09-1991
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Valves fitted with throughput adjusters
4 Valves fitted with proof of closure switches
5 Valves fitted with closed position indicator switches
6 Valves incorporating start-gas flow control and
valves in which the flow rate may be varied
electrically
Appendices
A Test for valves fitted with throughput adjusters
B Test for valves fitted with proof of closure switches
C Test for valves fitted with closed position
indicators
D Tests for valves incorporating start-gas flow control
and in which the flow rate may be varied
Additional requirements and test methods. Supplements BS EN 161.
| Committee |
GSE/22
|
| DevelopmentNote |
Together with BS EN 161 supersedes BS 5963(1981) Supersedes 91/75437 DC (09/2003) Reviewed and confirmed by BSI, December 2011. (11/2011)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| Standards | Relationship |
| EN 161:2011+A3:2013 | Similar to |