QJ series electric submersible motor water hydraulic pump for well

QJ series electric submersible motor water hydraulic pump for well

Applications and Features:

QJ series submersible motor pump for well is a complete set of equipment to draw water from deep well.It is widely used for farm irrigation,water supply and drainage in factories and mines,providing human being and animals with drinking water in plateau or mountain areas.

The motor part and the pump part are connected as a whole,and the whole equipment operates under water.With compact structure and high efficiency,it is convenient to use and maintain.

Pump Part:At the top of submersible motor pump,the centrifugal pump is connected with motor by rigid shaft coupling.The bearing is water lubricated.The backpressure valve is fixed on the top of the pump to avoid the working parts being damaged by the returned water in pump when the submersible motor pump stops.The water in pump can flow away through the drainage hole in the valve in case the pump is broken in winter.(Note:There is no backpressure valve in low head submersible motor pump).

Motor Part:At the bottom of submersible motor pump,closed water-filled structure,guiding bearing and thrust bearing use water lubricated material.The compensation diaphragm is fixed on the bottom of motor to adjust the differential pressure caused by the ring temperature of motor.The sand-proof structure is fixed on the top of motor to prevent mud and sands to enter inside of motor.

Model Meanings:

Operation Conditions:

1.Power Source:Three-phase AC 380V 50HZ

2.Water temperature should not exceed 20°C

3.Solid content(weight ratio)in water should not exceed 0.01%

4.The PH value should be in between 6.5 and 8.5

5.The chlorine content should not be over 400mg/L

6.We can also design and manufacture the submersible motor pumps beyond the above conditions according to customer’s requirements.

The Choice of Submersible Motor Pump:

The followig content should be understood in order to choose and operate submersible motor pump correctly:

1.Understanding all clauses mentioned in operation conditions

2.Pay attention to the diameter and the depth of well

3.Pay attention to the static water level and the flowing water level of well

4.Pay attention to the water surging capacity of the well

The capacity,head,and the diameter of full set should be shosen according to the water surging capacity,the depth and the diameter of well.The water surging capacity of well should meet the requirement of the capacity of submersible motor pump,so that the submersible motor pump can be under the water totally when it works.

wooden case

1.We will give you the detail picture and information about the product manufacturing process.

2.We promised that we will offer you the best service, high quality and high precision product to you.

1. Competitive price and high precision
2. Prefect after-sale service.
3. One year warranty time.

4. Payment terms:30% TT in advance+70% balance before shipment or total advance.

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electric centrifugal pump Particularly suited to applications including watersupply to civil,agricultural and industrial plants, Pressure boosting, Fire-fighting,heating systems and air-conditioning, QJ series electric submersible motor water hydraulic pump for well Moving industrial liquids,Irrigation, Refrigeration towers, Swimming pools, Washing plants.
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