A device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action is termed as Pump. Pumps operate by some mechanism ( reciprocating or rotary), and consume energy to perform mechanical work by moving the fluid.
Pumps may be classified on the basis of the applications they serve, the liquids they handle, and their orientation in space.
All pumps are divided into two major categories:
Pumps may be classified on the basis of the applications they serve, the liquids they handle, and their orientation in space.
All pumps are divided into two major categories:
Positive Displacement:
The positive displacement pump operates by alternating of filling a cavity and then displacing a given volume of liquid. The positive displacement pump delivers a constant volume of liquid for each cycle against varying discharge pressure or head.
The positive displacement pump operates by alternating of filling a cavity and then displacing a given volume of liquid. The positive displacement pump delivers a constant volume of liquid for each cycle against varying discharge pressure or head.
Dynamic pump:
The dynamic pump produce a head and a flow by increasing the velocity of the liquid through the machine with the help of a rotating vane impeller.
Dynamics pumps can further be classified as:
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