| Customization: | Available |
|---|---|
| Material: | Tungsten Carbide |
| Pressure: | High Pressure |
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Finished ST ball and seat
Half-finished ST ball and seat
| CODE | INSTRUCTION | HARDNESS | MATERIAL |
| SS | Stainless steel | Ball: HRC 58-65 Seat: HRC 52-56 |
9Cr18Mo(AISI440C) 6Cr18Mo(AISI440A) |
| ST | Cobalt alloy casting | Ball: HRC 56-63 Seat: HRC 50-56 |
Cobalt, chromium and tungsten alloy |
| ST | Cobalt alloy, powder metallurgy | Ball: HRC 53-60 Seat: HRC 51-57 |
Cobalt, chromium and tungsten alloy |
| TC | Tungsten carbide | Ball: HRA 88-89 Seat: HRA 88-89.5 |
Tungsten with cobalt adhesive |
| Type | Fluid, mm2 | Dw, mm | D, mm | d mm | H, mm |
| V11-106 | 107 | 15.8750 | 20.142 | 11.68 | 12.70 |
| V11-125 | 153 | 19.0500 | 23.317 | 13.97 | 12.70 |
| V11-150 | 227 | 23.8125 | 29.667 | 17.02 | 12.70 |
| V11-175 | 345 | 28.5750 | 35.255 | 20.96 | 12.70 |
| V11-225 | 569 | 34.9250 | 43.688 | 26.92 | 12.70 |
| V11-250 | 869 | 42.8625 | 51.054 | 33.27 | 12.70 |
| V11-375 | 1623 | 57.1500 | 78.029 | 45.47 | 19,05 |
Valve balls and seats are used in the manufacture of valves of submersible sucker-rod pumps, a check valve used for oil and gas production. Valve balls and seats are the most critical parts of the pump, because it is subject to the greatest chemical and mechanical stress.
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