The WL/LW pumps adopts particular large channel sturcutre. So drainage capacity has been improved greatly. It can effectively pass the solid grain whose diameter is about 50% of the pump caliber.
WL/LW pump is for vertical sewage and not underwater structure.
sewage system of municipal works
sewage discharging of living plot
sewage discharging of public facilities
sewage discharging of factory and mine corporation
other transportation of non-erosion of clear medium
unit to other water discharging system