SP100RV Heavy Duty Sump Pumps are available in various standard lengths to suit common sump depths, for very deep sumps or where high shaft speeds limit the length of the pump. 100RV vertical slurry pumps are also used for mill scale pumping, pumping of machine tool cuttings and wood chip pumping applications. Is there a better way to pump sewage, overflows and other collected dirty water around the plant The answer is Yes. SP vertical slurry pump can solve problems when pumping sewage. For example, the oil pan on the ground is difficult to maintain, pit or hole-in-the-ground slurry handling situation.