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We are a professional manufacturer of submersible deep well pumps, offering high-quality and stable products. Our experience allows us to provide customized water pump solutions for a wide range of customers. With our advanced technology and dedicated team, we ensure that every product meets the highest standards in performance, reliability, and efficiency.
**Key Features:**
1. Use of premium brand components
2. Skilled and experienced staff
3. Excellent performance and energy efficiency
4. Direct manufacturing with competitive pricing
**Product Parameters:**
- Flow range: 10–500 m³/h
- Lift range: 15–405 meters
- Diameter range: 32–203 mm
- Temperature range: -15°C to 80°C
The QJ series submersible deep well pump is designed with a rational structure, ensuring low noise, long service life, compact size, lightweight, ease of operation and maintenance, high efficiency, energy saving, and reliable continuous operation. It is ideal for deep well water extraction, field irrigation, sprinkler systems, and water supply and drainage in urban and rural mining enterprises.
**Model Significance:**
Example: 200QJ32-91/7
- 200: Base number
- QJ: Submersible Pump
- 32: Pump flow (m³/h)
- 91: Pump head (m)
- 7: Number of impellers
**Operating Conditions for QJ (SQJ) Deep Well Submersible Pumps:**
1. Voltage: 380V, not exceeding ±5%, frequency 50Hz, deviation no more than ±1%
2. The motor’s inner cavity must be filled with water
3. The first-stage impeller must be submerged at least 2m below the dynamic water level
4. The electric pump unit should be within 70m under static water level
5. The distance from the motor bottom to the well bottom must be over 3m
6. Water temperature must be between 20°C
7. Sand content in water should be ≤0.01% (by weight)
8. pH value of water: 6.5–8.5
9. Hydrogen sulfide level ≤1.5mg/L
10. Chloride ion content ≤400mg/L
11. Water quality must meet the requirements for continuous pump operation
**Specification and Performance Table:**
| 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 specifications and performance data, please contact us directly via email or phone. We are committed to providing you with the best solutions tailored to your needs.