ZW-type self-priming non-clogging sewage pump for the single-stage single-suction horizontal suction suction port for the axial suction outlet vertical upward from the suction motor port as clockwise rotation. Pump inlet and outlet connection: According to the basic type of flange (GB115.7-8-88). Supporting motor Y-type asynchronous motor, the choice of ordinary type or explosion-proof, according to the requirements otherwise agreed. The pump body material selection HT200, impeller material selection QT400-18, can also be based on user needs selection of stainless steel, used to transport corrosive media. ZW self-priming non-clogging sewage pump structure: