Page 116 - HVAC Pump Handbook

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Physical Description of HVAC Pumps

Physical Description of HVAC Pumps 113

Figure 5.5 Horizontal, multistage, volute pump, flexible coupled for clear service. (From
Patterson Pump Company HVAC Pumps and Systems Manual, 2004.)

without special priming equipment. Typical applications are chiller
sumps and open energy storage tanks such as are used in cold water
or ice storage systems.
Because of their self-priming requirements, the efficiency of these
pumps is lower than the efficiency for other single-suction pumps of

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