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Pump
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A pump is a machine which moves a liquid or a gas from one place to another, often upwards. There are many different kinds of pumps. Pumps need some kind of power to make them work. Sometimes the power comes from a person. Sometimes the power comes from a motor.
Drawing of the inside of a metering pump head to show how it works. The piston moves back and forth inside the pump head.
Some types of pumps are:
- Air pump, also called a compressor if the outlet pressure is relatively high.
- Boiler feedwater pump
- Fire pump
- Fuel pump
- Heat pump, which is very different in how it works and what it does.
Sources[edit | edit source]
- The initial version of this article on Vikidia is a copy of the article Pump on the Simple English Wikipedia.