The CAV B9 trim can be applied in liquid service where low-level cavitation is evident.
The stepped radially drilled cage design reduces the effects of cavitation, along with the associated problems of noise and erosion, by forcing the cavitation to occur in the center of the cage, away from the metal surfaces. In both flow under and flow over configurations of CAV B9 trim the fluid is divided into many lower energy jets.
By varying the hole diameter and placement, custom flow characteristics can be provided.
CAV B9 can be used as an effective trim for flashing operations in the flow under the seat configuration.
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