Qj Submersible Borehole Pump ISO9001 Certified

QJ Series Borehole Pump

1. High-quality components.
2. Professional and experienced team.
3. Outstanding performance and reliability.
4. Direct factory manufacturing.



Product Parameters:
1. Flow range: Q = 10–500 m³/h
2. Head range: H = 15–405 m
3. Diameter range: 32–203 mm
4. Temperature range: -15°C to 80°C

Product Overview:
The QJ series borehole pump is designed with a perfect structure, ensuring quiet operation, long service life, compact size, lightweight, ease of use and maintenance, high efficiency, energy saving, and continuous reliable performance. It does not pollute the water. This pump is ideal for deep well water extraction, field irrigation, sprinkler systems, and water supply and drainage in urban and rural mining enterprises.

Model Identification:
Example: 200QJ32-91/7
200 – Base Number
QJ – Submersible Pump
32 – Flow Rate
91 – Head
7 – Number of Impellers

Operating Conditions for QJ (SQJ) Deep Well Submersible Pumps:
1. Voltage deviation should not exceed ±5% at 380V, and frequency deviation should be within ±1% for three-phase power supply.
2. The motor cavity must be completely filled with water.
3. The first stage impeller should be submerged at least 2 meters below the dynamic water level. The electric pump unit should be placed within 70 meters of the static water level, and the distance from the motor bottom to the well bottom should be more than 3 meters.
4. Water temperature should be between 0°C and 20°C.
5. Sand content in water should not exceed 0.01% by weight.
6. pH value of water should be between 6.5 and 8.5.
7. Hydrogen sulfide level should not exceed 1.5 mg/L.
8. Chloride ion concentration should not exceed 400 mg/L.
9. Water from the source must meet the requirements for continuous pump operation.

Specification and Performance Parameters:
Specification and Performance Parameter
Model Power (KW) Flow (m³/H) 0.2 0.4 1 2
SJ1-6 0.37 H (M) 1 33.5 33 30 19
SJ1-9 0.37 51 50 46 29
SJ1-13 0.55 73 72 67 42
SJ1-7 0.75 96 95 87 55
SJ1-21 1.1 119 118 108 69
SJ1-25 1.1 141 140 129 82
SJ1-28 1.5 158 157 145 92
SJ1-32 1.5 180 179 165 105
SJ1-36 1.5 203 202 186 118
SJ1-39 2.2 221 219 202 128
SJ1-42 2.2 238 236 217 137
For more detailed specification and performance data, please contact us directly via email or phone.

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