Manual Water Pump

Person using a mechanical pump for suction fresh water. 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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