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