![]() A flanged bearing provides radial support at the upper shaft. It uses a single-row spherical roller and self-aligning combination radial/thrust lower support bearing. The pump provides variable capacity at constant speed. Pumps can be set at a fixed angle, or the lower end can be supported by a hoist to vary the pump angle and for maintenance access. ![]() It transports liquid inside a stationary tube, simplifying design and eliminating grouting. The Tube-mounted screw pump from Schreiber incorporates the Archimedean screw pump concept in a self-contained unit for ease of installation and construction. No variable-speed electrical controls are required. The pumps offer low operating costs, low maintenance, nonclogging operation and minimal head. ![]() ![]() Patterned after the Archimedean screw, the pump’s assembly consists of a simple screw, upper bearing, lower bearing and drive arrangement. They lift large volumes efficiently at low head at any treatment stage. Screw pumps from Lakeside Equipment Corporation offer built-in variable capacity that automatically adjusts the pumping rate and power consumption to match incoming flow while operating at a constant speed. Get Pumps articles, news and videos right in your inbox! Sign up now. ![]()
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