Submersible vortex pump Weir Specialty Pumps
Wemco Pump

Tough enough to handle grit. Abrasion-resistant alloys extend pump wear life.
Rimmed impeller.
Hydraulic design incorporates a 2-step wear mechanism to "even out" wear on component parts, maximizing their service life.
Low life cycle cost - Life of the most expensive component - the casing - is maximized by sacrificing the least expensive component - the impeller.

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