Product introduction:
QGD type screw submersible pump is mainly composed by three parts:pump casing,mechanical seal and motor.Pump is at the upper part of motor pump,which consists of stator.Motor is at the lower part of motor pump and is single-phase or three-phase currency .Mechanical seal is between pump and motor,and it is a kind of double sides mechanical seal.“O”rings are applied in all connection of the submersible pump. The voltage can be 220V or 380V and frequency should be at least 50HZ.

Application:
This series pump can work smoothly within highest head.this screw submersible pump as a high head,high efficiency pump is widely used of irrigation,high-efficiency oxygen supply in agriculture,adding pressure to run water in country side and city,draining in industries and mines.

Operating conditions

Water temperature up to 35oC.

Maximum sand content:0.3%

Maximum suction :100m

Motor

Three-phase:440V±10%(380-415V)

single-phase:230V±10%(220-240V)

equip with special start-up control box.