ES series gravel(sand) pumps are horizontal single-casing slurry pumps with wide passage to transfer sand or slurry with big particle size. The wet parts are made of Ni-hard and high-Chrome alloys to ensure long service life. ES gravel pumps has far better performance than common pumps in dredging, sand mining, barge loading and mineral processing, etc. Featured with all the advantages of ES series, ESG series gravel pumps have achieved extra high head for special working conditions.