Submersible axial flow pump and Submersible mixed flow pump Application QSZ submersible axial flow pump and QSH submersible mixed flow pump adopts the dry type fully enclosed submersible three-phase asynchronous motor with vertical upper pump structure. The pump is integrated with the motor and submerged into the water. It is mainly used in small and medium-sized electromechanical irrigation and drainage stations in plain areas and the pump is suitable for emergency flood control and drainage.