... (more than 26% Chrome alloy). 8/6E-G sand and gravel pump TYPEOUTLETDIAMETERSPEEDN(r/min)Performance parameterALLOWABLE MATING MAX ... 1) Cantilevered, horizontal, centrifugal, one stage, single casing gravel (sand) pump2) High head, large capacity, high efficiency.3) Good ... in the river dredging, Sand reclamation, Sugar beet , explosive sludge in metal melting, grudging in dredger and course of river ...