... Ni hard and high chromium abrasion resistance alloys (more than 26% Chrome alloy). 8/6E-G sand and gravel pump ... horizontal, centrifugal, one stage, single casing gravel (sand) pump2) High head, large capacity, high efficiency.3) Good NPSH performance.4) Widely application ... more abrasive with solids slurries in the river dredging, Sand reclamation, Sugar beet , explosive sludge in metal melting, ...