WN dredging pump is a heavy-duty horizontal slurry pump designed for large flow dredging and sediment handling applications. It is widely used in river dredging, harbor construction, sand pumping and industrial wastewater systems.
1. Performance Parameters
- Size range: 300 mm (12″) to 1000 mm (40″)
- Flow capacity: up to 25,000 m³/h
- Head: up to 76 m
- Structure: single casing / double casing design
For more pump models, please visit our slurry pump products.
2. Structural Design
The WN series dredging pump is a single-stage, single-suction cantilever horizontal pump.
WN Dredging Pumps Performance Parameters:
| Model | Flow (m3/hr) | Head (m) | Speed (rpm) | Eff. η (%) |
NPSH (m) | Inlet Diameter (mm) | Outlet Diameter (mm) | Max. particle size (mm) |
| 200 WND | 600-800 | 20-40 | 700-900 | 60-65 | <4.5 | 250 | 200 | 178 |
| 200 WN | 750-1000 | 40-65 | 700-850 | 70-72 | <4 | 250 | 200 | 180 |
| 250 WND | 950-1100 | 20-40 | 500-700 | 65-70 | <4 | 300 | 250 | 220 |
| 250 WN | 1100-1300 | 40-65 | 500-650 | 70-74 | <4 | 350 | 250 | 144 |
| 300 WND | 1500-1800 | 20-40 | 400-600 | 65-68 | <4 | 350 | 300 | 241 |
| 300 WN | 1800-2200 | 40-65 | 400-550 | 74-78 | <4 | 450 | 300 | 241 |
| 350 WN | 2600-3000 | 40-65 | 400-550 | 74-78 | <4.5 | 450 | 350 | 241 |
| 400 WN | 2800-3200 | 20-40 | 400-550 | 74-78 | <4.5 | 450 | 400 | 250 |
| 450 WN | 3200-3850 | 40-67 | 350-500 | 76-80 | <4.5 | 600 | 450 | 354 |
| 500 WND | 3600-4200 | 20-40 | 220-320 | 72-75 | <4.8 | 600 | 500 | 330 |
| 500 WN | 4500-5500 | 40-65 | 350-450 | 78-80 | <4.8 | 650 | 500 | 250 |
| 600 WN | 5000-9000 | 55-80 | 280-420 | 81-85 | <6 | 660 | 600 | 220 |
| 700 WN | 8000-12000 | 60-85 | 280-380 | 83-85 | <6 | 760 | 700 | 280 |
| 900 WN | 12000-19000 | 50-75 | 280-330 | 85-87 | <6 | 960 | 900 | 320 |
| 1000 WN | 16000-25000 | 23-76 | 181-290 | 85-87 | <6 | 1200 | 1000 | 350 |
3. Applications
WN dredging pumps are widely used in:
- River and lake dredging projects
- Harbor and port construction
- Sand and gravel extraction
- Civil engineering drainage systems
- Underground and foundation dewatering
- Industrial wastewater and sludge discharge
4. Key Features
- High flow capacity for large-scale dredging
- Wear-resistant material for sand and slurry handling
- Stable operation under harsh conditions
- Suitable for long-distance transport
- Available in single and double casing design
5. Selection Guide
When selecting a WN dredging pump, consider:
- Required flow rate
- Dredging depth
- Solid particle size
- Pump installation environment
- Discharge distance
Proper selection ensures higher efficiency and longer service life.
6. FAQ
Q1: What is WN dredging pump used for?
It is used for sand dredging, river cleaning, harbor engineering and slurry transport.
Q2: Can it handle sand and gravel?
Yes, it is designed for high solid content and abrasive materials.
Q3: What makes it different from normal slurry pumps?
WN dredging pumps are designed for ultra-high flow capacity and large particle handling.
7. Technical Support
For technical support or pump selection, please contact our team.
