BQS2.2kw-90kw mining explosion-proof sewage desilting submersible pump is specially designed by our company with stainless steel construction to pump corrosive fluids containing sand. The volute casing, impeller and other flow passage parts utilize wear-resistant, corrosion-resistant casted alloy materials with precision. The pump base and shell utilize 304 stainless steel material to greatly improve product service life, which meets the needs of mine drainage.