... H:5-60m Function Introduction :Series SP sump pumps are vertical, centrifugal slurry pumps submerged in water to work. They are designed ... for delivering abrasive, large particle and high-density slurries. These Pumps needn’t shaft sealing or sealing water. They also can ... "M":wear-resistant alloy. "RU": rubber. 100RV(L) cement slurry pumps