production detail message: QDX QX type submersible motor pump is mainly composed by three parts:pump,mechanical seal and motor.pump is at the bottom part of motor pump,which adopt centrifugal impeller ,spiral structure with s single or three phase asynchronous motor.A kind of double end mechanical seal is between pump and motor,"o" rings are applied in all static joints of the pump, inner installed protector prevent the pump from the damage due to abnormal power ,clog and overload ect ModelRated flowRated headRated powerRated voltageRated currentRated speedPipe sizeQDX1.5-16-0.371.5160.372202.828601QDX10-16-0.7510160.75220/3805.2/2.128602QDX40-10-1.540101.5220/3808.8/3.628603QX10-34-2.210342.22205.428601.5QX15-45-4154542209.428602QX12-75-7.512757.52201628601.5Other models and sizes are available as you need