QJ/QJR Submersible Borehole Pump (Deep Well Pump), Size DN550

Model No.: QJ550 Hits: 47

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General
QJ/QJR Submersible Borehole Pump (Deep Well Pump) designed for pumping clean water from deep wells, rivers, reservoirs and mines etc., as well as applications in industrial water supply , agricultural irrigation projects. Fire fighting and so on.
QJR is specially designed for geothermal applications featured by heat-resisting, anti-corrosion and anti-aging properties, water temperature up to 90℃

Construction & Features

• Compact vertical centrifugal multi-stage design with perfect standardization and generalization, easy operation and convenient maintenance.
• A complete electric submersible pump includes a water pump set, electric motor, a discharge piping, water-proof cable and a control panel.
• Submersible motor filled with clean water for cooling and lubrication. And the pressure regulation switch, located at the bottom of motor, shall automatically operate to
• balance the pressure fluctuation caused by temperature variations.
• A sand slinger and oil-sealed skeleton are equipped at the upper part of motor to form a closed operating system for the motor, thus preventing any sand to penetrate into the motor.
• Water injection hole, as well as air release hole, are designed at the upper part of the motor, and water release hole at bottom (lower) part.
• Thrust bearing and collar are designed at lower part of motor to stand the weight of the squirrel caged rotor and the axial thrust residual.
• Water-proof electromagnetic wiring for stator with excellent insulation.

Performance Data
Flow Range：5 ~ 1000m3/hr
Head Range：10 ~ 400m
Fluid Temp.：0 ~ 90℃
PH Value： 6.5 ~ 8.5
Sand Content：up to 0.01% for stator with excellent insulation.





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