QGD SUBMERSIBLE SCREW PUMP SERIES
1. Product Introduction:
QGD/QG type submersible screw pump is mainly composed by three parts: Pump, mechanical seal and motor. Pump is at the upper part of motor pump, which consists of by stator and rotator. Motor is at the lower part of motor pump and is a single-phase or three-phase asynchrnous motor. Mechanical seal is between pump and motor, and it is a kind of double endmechanical seal"O"rings are applied in all static joins of the submersible pump, inner-installed protector prevents the pump from damages due to abnormal power, clog and overload etc.
2. Scope Of Application:
Without limit of lift, it can work smoothly within allowed highest lift. The screw submersible pump is high life, high efficiency pump and widely used in flat convy, irrigation and spray, high-efficiency oxygen supply in agriculture, adding pressure to running water in countryside and city, drainage in pits and mines, syrup and chemical liquid supply in feed stuff lines.
3. Operating Condition:
A. Medium temperature is less 40.
B. Medium pH is between 65 and 8.5.
C. Volumeratio of sand content or undissolving solid in water shall be no more than 0.1%, the size shall be not bigger than 0.2mm.
D. Submersible depth is not deeper than 0.5.