Pumps. CM4120 D. Caspary February, 2004. Outline. Intro to Pumping Classifications of pumps Positive Displacement Pump – Examples and Applications Centrifugal Pumps – Examples and Applications Pump Curves. History of Pumps. First pumps were driven by water wheels or animal powered
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Used to increase the potential and/or kinetic energy state of a fluid
Overwhelming majority of all pumps are some type of Centrifugal Pump.
Positive Displacement Pumps are widely used but for specific applications.
Other Common Types of PD Pumps Displacement and Centrifugal Pumps
Pumps Displacement and Centrifugal Pumps
Closed ImpellerCentrifugal Pump “Family Tree”
Stuffing Box and Packing Gland
When selecting new pump or changing capacity of existing pumps:
Used for estimating pump performance when changing impeller size or RPM
PP, Pump Input power, BHP
PW, Pump Output Power
PMOT, Driver Input Power