Stainless Steel Seawater Submersible Pump 7.5kW-410kW with 5-2000 m³/h Flow and 10-600m Head Range
Industrial-grade stainless steel submersible pumps designed for seawater applications with power range from 7.5kW to 410kW and voltage options from 380V to 1140V.
- Flow Range: 5-2000 m³/h
- Head Range: 10-600 meters
- Well Diameter: φ175-φ600mm (7"-18" or customized)
- Power Range: 7.5kW-410kW
- Voltage Options: 380V/415V/420V/440V/460V/480V/660V/1140V
- Frequency: 3-phase 50Hz/60Hz
- Protection Class: IP68
Corrosion-resistant seawater submersible pumps are engineered for offshore platform fire-fighting, thermal dissipation, seawater desalination, coastal fountains, mariculture, and ground source heat pump systems in coastal regions.
- Seawater, alkaline corrosive water, clean water, rainwater, mining water, drinking water
- Temperature Range: +5°C to +35°C (High temperature option: 120°C)
- Solid Content: ≤0.01% by mass
- pH Range: 1-12
- Premium stainless steel construction for superior corrosion resistance
- Integrated motor and pump design with simple structure
- Easy installation, operation, disassembly and maintenance
- Enhanced water quality performance
| Model | Motor Power (kW) | Flow Range (m³/h) | Head Range (m) | Outlet Size | Rated Current (A) |
|---|---|---|---|---|---|
| 175QJH10-121/9 | 7.5 | 9-11 | 96-140 | 1.2" | 18.4 |
| 175QJH10-135/10 | 9.2 | 9-11 | 130-140 | 1.2" | 22.1 |
| 175QJH10-150/11 | 9.2 | 9-11 | 144-146 | 1.2" | 22.1 |
| 175QJH10-165/12 | 11 | 9-11 | 158-172 | 1.2" | 26.1 |
| 175QJH10-180/13 | 11 | 9-11 | 173-187 | 1.2" | 26.1 |
| 175QJH10-195/14 | 13 | 9-11 | 187-203 | 1.2" | 30.1 |
| 175QJH20-143/11 | 15 | 18-22 | 120-165 | 2" | 49.7 |
| 200QJH15-81/6 | 7.5 | 13-17 | 68-92 | 3" | 18 |
| 200QJH20-93/7 | 10 | 18-22 | 79-107 | 2" | 24.7 |
| 200QJH20-108/8 | 13 | 18-22 | 92-125 | 2" | 29.7 |
| 200QJH20-121/9 | 13 | 18-22 | 103-140 | 2" | 29.7 |
| 200QJH20-135/10 | 15 | 18-22 | 115-156 | 2" | 33.9 |
| 200QJH25-182/13 | 22 | 23-27 | 150-210 | 2" | 48.2 |
| 200QJH32-160/10 | 25 | 29-35 | 136-184 | 3" | 54.5 |
| 200QJH40-182/14 | 37 | 37-43 | 154-214 | 3" | 79.7 |
| 200QJH50-105/7 | 25 | 46-54 | 84-126 | 3" | 54.5 |
| 200QJH50-117/9 | 25 | 46-54 | 94-140 | 3" | 54.5 |
| 200QJH50-120/8 | 30 | 46-54 | 96-144 | 3" | 65.4 |
| 200QJH50-143/11 | 37 | 46-54 | 121-165 | 3" | 79.7 |
| 200QJH100-30/2 | 15 | 80-120 | 26-32 | 4" | 33.9 |
| 250QJH50-200/10 | 45 | 46-54 | 170-230 | 3" | 94.1 |
| 250QJH50-240/12 | 55 | 46-54 | 204-276 | 3" | 127.9 |
| 250QJH50-280/14 | 63 | 46-54 | 268-322 | 3" | 152.3 |
| 250QJH63-100/5 | 30 | 58-68 | 75-100 | 3" | 64.2 |
| 250QJH63-200/10 | 55 | 58-68 | 170-230 | 3" | 114.3 |
| 250QJH63-220/11 | 63 | 58-68 | 180-253 | 3" | 127.9 |
| 250QJH63-260/13 | 75 | 58-68 | 220-299 | 3" | 152.3 |
| 250QJH63-300/15 | 90 | 58-68 | 205-343 | 3" | 182.8 |
| 250QJH140-60/4 | 37 | 130-150 | 52-69 | 5" | 77.8 |
| 250QJH160-30/2 | 22 | 148-172 | 25-35 | 5" | 47.9 |
| 250QJH160-45/3 | 30 | 148-172 | 38-51 | 5" | 64.2 |
| 250QJH160-60/4 | 45 | 148-172 | 52-69 | 5" | 94.1 |
| 250QJH160-75/5 | 55 | 148-172 | 65-86 | 5" | 114.3 |
| 300QJH200-100/5 | 90 | 186-214 | 85-115 | 6" | 183.8 |
| 300QJH200-120/6 | 110 | 186-214 | 100-138 | 6" | 222.1 |
| 300QJH240-22/1 | 22 | 223-257 | 18-25 | 6" | 249.5 |
| 300QJH240-44/2 | 45 | 223-257 | 37-51 | 6" | 47.3 |
| 300QJH240-66/3 | 75 | 223-257 | 56-76 | 6" | 95.4 |
| 300QJH240-88/4 | 100 | 223-257 | 75-101 | 6" | 154.1 |
| 300QJH400-40/1 | 75 | 368-432 | 38-42 | 8" | 152.3 |
| 300QJH400-80/2 | 160 | 368-432 | 76-84 | 8" | 284.4 |
| 300QJH400-120/3 | 220 | 368-432 | 117-123 | 8" | 439.2 |
| 300QJH500-60/4 | 140 | 460-540 | 57-63 | 8" | 249.5 |
| 300QJH500-75/5 | 180 | 460-540 | 72-78 | 8" | 317.5 |
Contact us for custom specifications if our standard models don't meet your requirements.
Successfully deployed 316 stainless steel seawater submersible pump delivering 300m³/h flow at 100m head with 140kW power. Operating at optimal efficiency with current consumption of 188A versus rated 277.8A.
- Three-phase power supply: 380V (±5%), 50Hz (±1%)
- Motor must be filled with clean water
- Primary impeller submerged at least 2m under dynamic water level
- Pump unit depth: less than 70m under static water level
- Motor foot clearance: minimum 3m above well bottom
- Water temperature: ≤20°C (standard)
- Sand content: ≤0.01% by mass
- pH range: 1-10
- Hydrogen sulfide content: ≤1.5 mg/l
- Chloride ion content: ≤400 mg/l
- Continuous water supply required
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