BS 7122:1989
Current
The latest, up-to-date edition.
Specification for welded steel tanks for the road transport of liquefiable gases
Hardcopy , PDF
English
08-31-1989
Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
3. Design, manufacture and testing of tanks
4. Information to be supplied by the purchaser and
the manufacturer
5. Certificate of acceptance
Section two. Materials
6. General
7. Identification
8. Condition
9. Analysis
10. Permissible materials
11. Impact and intercrystalline corrosion tests
Section three. Design
12. General
13. Welds
14. Valves and fittings
15. Pressure relief devices
Section four. Manufacture and workmanship
16. General
17. Tolerances
18. Post weld heat treatment
Section five. Inspection and tests
19. General
20. Production control test plates
21. Pressure tests
22. Water capacity
23. Marking
Appendices
A. Typical acceptance certificate
B. Side protection
Tables
1. Impact values
2. Intercrystalline corrosion test
3. Design stress values for austenitic steel bars
4. Design pressure for toxic gases in uninsulated tanks
5. Design pressure for non-toxic gases in uninsulated
tanks
6. Constant C for gas or vapour related to the ratio
of specific heat capacities (K = Cp/Cv) at
standard conditions
Figures
1. Location of side protection relative to the
horizontal centreline of the tank
2. Section of guard rail
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