CLARKSON SLURRY KNIFE GATE VALVES
KGA And KGA+
KGA+ INDEX
1. General information ...................................... 2
2. Initial inspection ............................................ 2
3. Installation instructions ................................ 3
4. Operation ....................................................... 4
5. Lockouts ........................................................ 6
6. General maintenance.................................... 6
7. Spare parts .................................................... 7
8. Storage ........................................................... 8
9. Sleeve replacement ...................................... 9
10. Secondary seal replacement ...................... 10
11. Disassembly and assembly instructions ... 12
12. Field replacement of gates ......................... 15
13. Installation instructions for splash guard . 16
14. Installation instructions for drainplate ..... 16
15. Lifting ........................................................... 17
16. Manual handwheel actuator assembly ...... 18
17. Bevel gear actuator assembly .................... 18
18. Air cylinder actuator assembly................... 19
19. Hydraulic cylinder actuator assembly ....... 19
KGA INDEX
20. General information .................................... 20
21. Initial inspection .......................................... 20
22. Installation instructions .............................. 21
23. Operation ..................................................... 22
24. Lockouts ...................................................... 24
25. General maintenance.................................. 24
26. Spare parts .................................................. 25
27. Storage ......................................................... 26
28. Sleeve replacement .................................... 27
29. Wiper replacement ...................................... 28
30. Disassembly and assembly instructions ... 28
31. Field replacement of gates ......................... 32
32. Installation instructions for splash guard . 33
33. Lifting ........................................................... 34
34. Manual handwheel actuator assembly ...... 35
35. Bevel gear actuator assembly .................... 35
36. Air cylinder actuator assembly................... 36
37. Hydraulic cylinder actuator assembly ....... 36
This instruction manual provides installation,
operation and maintenance recommendations
for both the Clarkson KGA and Clarkson KGA
Plus (KGA+) slurry knife gate valves. The KGA
was first introduced in the 1970’s and the
KGA+ design was introduced in2010. While
both products are very similar, the KGA+ offers
additional features with resulting differences in
maintenance procedures and parts lists.
The first section covers the KGA+, the second
the KGA. Please refer to the KGA+ or KGA
section for complete instructions.
KGA+ and KGA identified
The KGA+ is easily identified from the KGA by
several prominent features:
Mating flanges: the KGA has slotted mating
flanges to mate with ASME B16.5/150 pipe
flanges in sizes above NPS 8 (DN 200). The
KGA+ features full flange design in all size
and can beadapted to many different flange
drillings.
CLARKSON KGA+
VALVE ASSEMBLIES
Installation and maintenance instructions
© 2017 Emerson. All Rights Reserved.Emerson.com/FinalControl VCIOM-06601-EN 17/09
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