What are the difference between fan, blower, compressor & pump?

Fan:

• A fan moves large amounts of gas with a low increase in pressure

Blower:

• A blower is a machine for moving volumes of a gas with moderate increase of pressure.: a more powerful fan, if you will. By changing the angle of the blades, a blower will be able to push air in any direction you want it.

Compressor:

• A compressor is a machine for raising a gas – a compressible fluid – to a higher level of pressure., actually making the air denser by cramming air into a small space.

Pump:

• A pump is a machine for raising a liquid – a relatively incompressible fluid – to a higher level of pressure or head.

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