40PVSPR Rubber Lined Mining Sump Pump SPR rubber Vertical Slurry Pump Materials - Pumps can be manufactured in abrasive and corrosive resistant materials. Small Sump Pump Discharge Pipe - Metal for SP; elastomer covered for SPR. All wetted metal parts are completely rust protected. Low Pressure Slurry Pump Lower Strainer - Bolted metal or polyurethane for SP; moulded snap-on elastomer for SPR. Open Impeller Sump Pump Impeller - Double suction impellers (top and bottom entry) induce low axial bearing loads and have heavy deep vanes for aximum wear resistance and for handling large solids. Wear resistant alloys, polyurethane and moulded elastomer impellers are interchangeable. The impeller is adjusted axially within the casting during assembly by external shims under the bearing housing feet. No further adjustment is necessary. Rubber Sump Pump Agitation - An exte…