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Definition of Hand pump

Babylon English

pump that is manually operated
Hand pump Definition from Language, Idioms & Slang Dictionaries & Glossaries
WordNet 2.0

Noun
1. a pump worked by hand
(hypernym) pump
Hand pump Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Hand pumps are manually operated pumps; they use human power and mechanical advantage to move fluids or air from one place to another. They are widely used in every country in the world for a variety of industrial, marine, irrigation and leisure activities. There are many different types of hand pump available, mainly operating on a piston, diaphragm or rotary vane principle with a check valve on the entry and exit ports to the chamber operating in opposing directions. Most hand pumps have plungers or reciprocating pistons, and are positive displacement.

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