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While operations were wound down in Tupelo Pentair continued to expand its water products business. In July 2004, Pentair bought WICOR Industries, the former water systems subsidiary of Wisconsin Energy, for $850 million. [19] WICOR made water pumps, filters, and pool equipment components under the Sta-Rite, SHURflo, and Hypro brands.
In 1965, the Motor division invented the enclosed canopy, two-compartment motor, a design that improved the reliability in pool pump motors by separating the switching components from the motor windings. In 1967, fourth generation Smith family member, Lloyd B. Smith, was elected chairman and chief executive officer of the company.
Brine draw: Water is directed through a jet pump, which pulls salt water from the brine tank, before the water and brine pass through the resin bed in the normal direction, if co-current, or in the reverse direction, if counter-current. [12] The output of this typically thirty-minute process is discarded through the drain hose.
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A spiral pump, sometimes called a Wirz pump or incorrectly Wirtz pump, is a low lift pump which is composed of a long piece of metal plating, which is wound into a coil and sealed at the top and back extremities so as to resemble a cylinder. The outer cavity serves as the inlet, while the inner (partial) tube serves as the outlet.
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Product is fed into the hydrocyclone tangentially under a certain pressure. This creates a centrifugal movement, pushing the heavier phase outward and downward alongside the wall of the conical part.
Other sources of thermal energy for storage include heat or cold produced with heat pumps from off-peak, lower cost electric power, a practice called peak shaving; heat from combined heat and power (CHP) power plants; heat produced by renewable electrical energy that exceeds grid demand and waste heat from industrial