... NPSH performance.4) Widely application: They are designed for handling more abrasive with solids slurries in the river dredging, Sand reclamation, explosive ... pumps, G/GH gravel pumps, SP/SPR sump pumps, series ZGB slurry pumps, series ZJ slurry pumps, sand pumps, mud pumps, ash pumps, chemical pumps, coal pumps, mine pumps, dredger, sewage pumps ...