POSITIVE DISPLACEMENT PUMP P020
These pumps are also called PD pumps or rotary pumps. They come in a variety of designs that include:
- Sliding vane
- Progressive cavity
The capacity of a rotary pump is determined by the speed of the shaft. The head or pressure output of a rotary pump is determined by the horsepower available and the strength of the casing.
See: Rotary pumps, R019