Page 166 - HVAC Pump Handbook

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HVAC Pump Performance

HVAC Pump Performance 163

Figure 6.17 Vortexing in HVAC pumps. (From James H. Ingram, Suction side problems:
Gas entrainment, Pump and System Magazine, September 1994, p. 34.)

Vortexing can occur easily when water is taken from a tank, partic-
ularly if the water outlet is on the side or bottom of the tank, as
shown in Fig. 6.17a; a fully developed vortex is shown in this figure.
Vortexing can be eliminated by placing an antivortexing plate above a

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