Supper material design, longer service life. Submersible design, easy for installtion, lower noise. Submersible slurry pump Submersible slurry pump Power source: three-phase 380V AC 50Hz, 440V, 60Hz. Medium temperature should not exceed 40 degrees Celsius, medium doesn't contain flammable and explosive gas Solid granule maximum thickness in medium: gray sediment for 45%, mineral sediment for 60% ...