Tobee Wear Parts Impeller SPR10206 of 100mm SPR Vertical Sump Pumps are made of Ethylene Propylene Diene Monomer (EPDM) material which replace original 100RV-SPR Vertical Pump Parts on site. Tobee Vertical slurry pump named vertical spindle pump, Vertical sump pump, vertical cantilever pump. vertical submerged pump. Vertical sewage pump, Column pump as well. Impeller SP10206 - Double suction impellers (top and bottom entry) induce low axial bearing loads and have heavy deep vanes for maximum 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. Casing SP10092 - Has a simple bolt-on attachment to the base of the column. It is manufactured from a wear resistant alloy for the SP and from moulded elastomer for the SPR. Back Liner SP10041 - It forms a pump chamber with throat bush and volute liner where the slurry would flow through them, Tobee offers back liners are interchangeable with stardard pump back liners with high chrome, natural rubber, polyurethane for different working condition.