... centrifugal, one stage, single casing gravel (sand) pump2) High head, large capacity, high efficiency.3) Good NPSH performance.4) Widely application ... .5) Long bearing life: The bearing assembly is with large diameter shaft and short overhang. 6) Wear resistant wet ... and the balance against the B/L copyDate Of DeliveryWithin 15 days after receive your depositCompany InfoShijiazhuang Tianyuan Pump CO., ...