A pump is a device is designed and operated move liquids, gases, slurries, or other fluids.
Common types of pumps based on the method for moving a fluid include
- Positive displacement pumps: gear pump, progressing cavity pump, roots-type pump, peristaltic pump, reciprocating-type pump, compressed-air-powered double-diaphragm pump.
- Impulse pumps: hydraulic ram pump
- Velocity pumps: centrifugal pump, radial flow pump, axial flow pump, mixed flow pump, eductor-jet pump
- Gravity pumps
- Steam pumps