BS 5159:1974
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
05-31-2007
English
12-31-1974
Cooperating organizations
Foreword
Specification
Section one. General
1. Scope
2. References
3. Terminology and definitions
4. Patterns
5. Nominal diameters and sizes
6. Nominal pressure
7. Pressure/temperature ratings
Section two. Body ends
8. Flanged body ends
9. Screwed body ends
Section three. Design and manufacture
10. Bodies
11. Body tappings
12. Operation
13. Bolting
14. End flanges
15. Joints
Section four. Materials
16. Choice of materials
17. Trim
Section five. Testing and inspection
18. Testing
19. Test certificate
20. Inspection
21. Witnessing of tests
22. Certificate of conformity
Section six. Preparation for despatch
23. After testing
24. Ball position
25. Body ends
26. Jointing surfaces
Section seven. Marking
27. General
28. Body markings
29. Body or identification plate markings
30. Material symbols
31. Additional markings
32. Omission of markings
Section eight. Valves for use in ANSI flanged piping
systems
33. Requirements
Section nine. Enquiry or order information
34. Information to be supplied
Appendix
A. Cast iron and carbon steel ball valves for general
purposes with ANSI Class 125, Class 150, Class 300
Class 400 and Class 600 flanges
Tables
1. Pressure/temperature ratings
2. Face-to-face dimensions
3. Minimum outside diameters of sealing faces for
parallel threaded valves
4. Dimensions of body end ports
5. Basic materials
6. Test durations
7. Value X for steel ring-joint flanges
8. Dimensions of ANSI Class 125 flanges
9. Pressure/temperature ratings for Class 125 valves
10. Test pressure (gauge) for Class 125, Class 150,
Class 300, Class 400 and Class 600 valves
Figures
1. Valve patterns
2. Body tapping locations for different types of ball
and body construction
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