24 November 2023

Pump Classifications | Types of Pump

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Pump Classifications

1.) Type of Pumps :- Classified by operating principle


1.1 ) Positive Displacement Pumps

  • Reciprocating pump

  • Displacement by reciprocation of piston plunger

  • Used only for viscous fluids and oil wells

  • Rotary pump

  • Displacement by rotary action of gear, cam or vanes

  • Several sub-types

  • Used for special services in industry

  • For each pump revolution

  • Fixed amount of liquid taken from one end

  • Positively discharged at other end

  • Used for pumping fluids other than water

1.2) Dynamic pumps

  • Mode of operation

  • Rotating impeller converts kinetic energy into pressure or velocity to pump the fluid

  • Two types

  • Centrifugal pumps: pumping water in industry – 75% of pumps installed

  • Special effect pumps: specialized conditions



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