Pump body:Stainless steel
Impeller:Plastic
Motor:Closed,externally ventilated

QDS 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 impleller.Motor is at the upper part of motor pump and is a single-phase asynchronous motor or three-phase motor.Mechanical seal is between pump and motor,and it's a kind of double end mechanical seal,"O"rings are applied in all static joints of the submersible pump.Inner-insralled protector prevents the pump from damages due to abnormal power,clog and overloas ect.