BS 1552:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for manual shut-off valves for use with 1st, 2nd and 3rd family gases
Hardcopy , PDF
15-04-1995
English
31-10-1989
Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Materials
4. Design
5. Manufacture
6. Connections
7. Gas tightness
8. Nominal flow rate
9. Mechanical performance
10. Mechanical performance
11. Fire resistance
12. Operational data
13. Marking
14. Labelling
Appendix
A. Equivalent gas rate
Table
1. Torque and bending moment values
Figure
1. Paint scratch test apparatus
Design and performance of valves operating at declared pressure up to 350 mbar on 1st and 2nd family gases and up to 2 bar on 3rd family gases. Valves up to and including size R2 and maximum bore of 50 mm or equivalent free area.
Committee |
GSE/22
|
DevelopmentNote |
BS DRAFT 93/713954 DC
|
DocumentType |
Standard
|
Pages |
12
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
Supersedes |
BS 2051-1:1973 | Tube and pipe fittings for engineering purposes Copper and copper alloys capillary and compression tube fittings for engineering purposes |
BS 2051-2:1984 | Tube and pipe fittings for engineering purposes Specification for olive type copper alloy compression tube fittings |
BS 476-8:1972 | Fire tests on building materials and structures Test methods and criteria for the fire resistance of elements of building construction |
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