... 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 ... , horizontal, centrifugal, one stage, single casing gravel (sand) pump2) High head, large capacity, high efficiency.3) Good NPSH performance.4) Widely application: They ...