... capacity, low consumption, little loss of the sand during the washing process, low failure rate.and is the best reasonable choice ... decelerator and gears wheel. The sand and stone flow into washing launder from feeding launder, rolls with the impellor, and grinds ... the out launder from the rotary impellor to finish the washing task. Main Technical DataModel 261028163016Impeller specs(mm)(out dia×width ...