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Kathleen Curry

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Oversized pumps waste energy

Synopsis 

Irrigation pumps are typically over-specified at the design stage, resulting in significantly higher power consumption and operating costs. A pump is generally oversized when it is not operated at or within 20 percent of its Best Efficiency Point (BEP), although it is normally considered acceptable if the duty point falls within 50 percent to 110 percent of the BEP flow rate. By replacing oversized pumps with smaller ones, energy and maintenance savings can be achieved due to lower power consumption requirements and lower wear and tear.

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