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BS 1963:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Specification for pressure operated relay valves for domestic, commercial and catering gas appliances
Hardcopy , PDF
01-12-2002
English
31-08-1990
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Design and construction
4 Mechanical strength
5 Performance
6 Marking and information
7 Packaging
Appendix
A Equivalent gas rate
Tables
1 Torque and bending moment values
2 Maximum permitted internal leakage
3 Closing times
Figures
1 Paint scratch test apparatus
2 Schematic illustration of bending moment test
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