Pump

device that moves fluids (liquids or gases) by mechanical action From Wikipedia, the free encyclopedia

Pump
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A pump is a machine which moves a liquid from one place to another, often upwards.

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A hand-pump

Pumps need some kind of power, often kinetic energy, to make them work. Sometimes the power comes from a person. Sometimes the power comes from a motor.

Types of pumps

There are many different kinds of pumps. Some types of pumps are:

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Drawing of the inside of a metering pump head to show how it works. The piston moves back and forth inside the pump head.

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