How a hand pump works

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I am try to explain water hand pump functions as per my vision. hope you like it. • Thank you. • 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 are either piston pumps or plunger pumps • Thank you For Sound- • chill. by sakura Hz | / sakurahertz • Music promoted by https://www.free-stock-music.com • Creative Commons Attribution 3.0 Unported License • https://creativecommons.org/licenses/...

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