WQK-L4 type sewage cutting electric pump,which is a semi-open impeller and a volute chamber structure. The9cr18 alloy blade and cutter are combined into a space rotary cutting structure.The three-dimensional cutting structure makes the cutting and chopping effect better and more obvious.Due to its small size,high head,low load and no overload,this series of electric pumps is suitable for many environments such as factory water drainage,agricultural irrigation,farm drainage,septic tank drainage,water pumping and drainage supply,and water extraction from wells