Screw pump Weir Specialty Pumps
Wemco-Hidrostal Screw Centrifugal Pumps

Screw-Centrifugal Impeller offers high efficiency, clog-free pumping.
The right pump for transporting most sludges and raw sewage. No other pump offers more quality or experience-proven features than Hidrostal to insure reliability and unsurpassed performance. The range is available in cast iron construction with an abrasion resistant option of high chrome iron impeller and suction liner.
Customer Benefits

High Efficiency - Smooth flow, and low turbulence produced by the screw/centrifugal impeller keep hydraulic losses to a minimum. The result is pumping efficiencies unequaled by any other "clog-free" pump.
Clog-Free Operation - No blockage mean minimum attention and minimum maintenance.
Gentle Action - Prevents damage to delicate solids.
Low NPSH Requirements - Help to keep thick sludges and large solids moving as available suction head decreases.
Positive Suction Flow - Enables pump to handle thick sludges.
Abrasion Resistant Construction - with 550 Brinell, Hi-chrome iron impeller & externally adjustable suction liner available.

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