Qj Submersible Borehole Pump ISO9001 Certified

QJ Series Borehole Pump

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



Product Specifications:
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 a high-efficiency, submersible pump designed for deep well water extraction. It features a compact and lightweight structure, making it easy to install and maintain. With low noise levels, long service life, and energy-saving operation, this pump is ideal for various applications such as irrigation, water supply systems, and industrial use. It ensures clean and pollution-free water delivery, suitable for both urban and rural environments.

Model Identification:
Example: 200QJ32-91/7
- 200: Base number
- QJ: Submersible pump model
- 32: Pump flow rate (m³/h)
- 91: Pump head (m)
- 7: Number of impellers

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

Specification and Performance Parameters:
Specification and Performance Parameters
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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