Water Well Journal

January 2017

Water Well Journal

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Through a knowledge of the COS and consulting with the power utility and relevant pump curves, the designer can gen- erally and quickly determine the approximate horsepower re- quirements, bowl and motor diameter range, approximate riser pipe size and type, available well clearance, and the operating voltage and phase required for the project. A submersible pump and motor each have unique construction features needed for the higher speed and deeper well service, as illus- trated in a cutaway drawing (Figure 2). Once knowledge of the intended capacity and head are esti- mated, the designer should determine the estimated horse- power that will be required to enable estimating the needed WATER WORKS from page 31 Figure 1. Typical submersible deep-well pump installation. Not to Scale waterwelljournal.com 32 January 2017 WWJ

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