Typically, more than 75% of the pumps installed in an industry are centrifugal pumps. Centrifugal pumps are the most common pumps used for pumping water in industrial applications.These pumps are used for special services with particular conditions existing in industrial sites.ĭynamic pumps are also characterized by their mode of operation: a rotating impeller converts kinetic energy into pressure or velocity that is needed to pump the fluid. Rotary pumps are further classified as internal gear, external gear, lobe, and slide vane, etc. Rotary pumps if the displacement is by rotary action of a gear, cam, or vanes in a chamber of the diaphragm in a fixed casing.Reciprocating pumps are used only for pumping viscous liquids and oil wells. Reciprocating pump if the displacement is by reciprocation of a piston plunger.Positive displacement pumps are further classified based on the mode of displacement:
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