Flowserve Valtek Beta Positioners for Control Valves - Manual (Page 13)

24-13 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
* All of the above parts are in stock, and can be purchased in any one of 34 spare parts kits. For selecting and ordering the appropriate kit
or a new positioner, contact your Valtek representative or the factory.
Figure 17: Beta Positioner – Exploded View
61. Snap rings
62. Follower pin
63. Nut
64. Lock washer
65. Nut
66. Pneumatic adapter
67. Bolt, socket head
69. O-ring
70. I/P module assembly
73. Bolt, socket head
74. Snap ring
75. Vent screen
76. Ball
77. Post
78. Bushing, rotary
101. Instrument diaphragm assembly
102. Zero adjusting arm assembly
103. Range arm assembly
129. O-ring, vented 40. Spool
41. Summing beam assembly
42. Upper diaphragm retaining plate
43. Diaphragm base
45. Stud
46. Spring
47. Stud
48. Instrument capsule O-ring
49. Instrument diaphragm assembly
50. Lower diaphragm retaining plate
52. Spool valve body
53. Screw
54. Spool valve O-rings
55. Cam shaft, rotary, vented
56. Cam, rotary
57. Cam shaft, rotary
58. Follower arm, rotary
59. Cam shaft nut, rotary
60. Cap, rotary 20. Zero adjustment knob
21. Snap ring
22. Zero arm
23. Zero adjustment lock knob
24. Zero adjusting screw
25. Pivot
26. Lock washer
27. Cam, linear
28. Bushing, linear
29. Cam shaft, linear
30. Cam shaft, linear, vented
31. Follower arm
32. Lock washer
33. Nut
34. Feedback spring
35. Screw
36. Screw
38. Nut
39. Screw
Positioner Parts List*
1. Cover
2. Screw
3. Gasket
4. O-ring
5. Pressure gauge 0-150 psi
6. Pressure gauge 0-30 psi
7. Base
8. Snap ring
9. Pivot screw
10. Pivot bushing
11. Front range plate
12. Range adjustment gear
13. Range adjustment arm
14. Rear range plate
15. Bearing
16. Screw
17. Snap ring
18. Return spring
19. Screw