Cooperating organizations
Foreword
Specification
Section one. General
1. Scope
2. References
3. Terminology and definitions
4. Types
5. Nominal sizes
6. Nominal pressures
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. Body to bonnet connection
13. Stems
14. Operation
15. Bolting
16. Seats
17. Disks
18. Stem sealing
19. Back seat
20. Direction of flow for stop valves
Section four. Materials
21. Choice of materials
22. Trim
Section five. Testing and inspection
23. Production pressure testing
24. Test certificate
25. Inspection
26. Witnessing of tests
27. Certificate of conformity
Section six. Preparation for despatch
28. After testing
29. Disk position
30. Body ends
Section seven. Marking
31. General
32. Body markings
33. Identification plate markings
34. Body or identification plate markings
35. Material symbols
36. Additional markings
37. Omission of markings
Section eight. Valves for use in ANSI flanged piping
systems
38. Requirements
Section nine. Enquiry or order information
39. Information to be supplied
Appendix
A. Cast iron globe and globe stop and check valves
    for general purposes with ANSI Class 125 flanges
Tables
1. Pressure/temperature ratings
2. Face-to-face and centre-to-face dimensions
3. Minimum outside diameters of sealing faces for
    parallel threaded valves
4. Dimensions of body end ports and seat bores
5. Basic materials
6. Table deleted
7. Dimensions of ANSI Class 125 flanges
8. Pressure/temperature ratings for Class 125 valves
9. Test pressure (gauge) for Class 125 valves