Submersible dredge, also called submersible slurry pump dredger, is designed and manufactured with optimized hydrodynamics technology for sand dredging and silt clearing. OCEAN Pump brand ZJQ series submersible dredge is equipped with our own specially designed submersible dredger pump, advanced high efficiency suction reamer head and the famous brand motor. All of them are integrated together to realize high dredger suction ratio, more thorough dredging and large slurry or sand output.
OCEAN Pump brand heavy duty submersible pump is made of high-chromium alloy material with good wear-resisting property and big flow passage way which is suitable for transportation of even 60mm diameter medium including mud with big solid particles, ore pulp, coal pulp and coarse sand, etc. The flexible sensing probe can realize over-heating protection, water-intake inspect protection and oil chamber protection, ensuring long and safe pump operation under abominable working conditions. Our submersible dredge features reliable, efficient and robust design, strong dredge body construction, cost saving, easy to operate and maintain. It is the best dredging equipment for small and medium scale multifunctional dredging projects.

Submersible Dredge Specifications
| No | Model | Unit | SPD311 | SPD5811 | SPD58115 | SPD8115 |
|---|---|---|---|---|---|---|
| 1 | Dredger body size (L*W*H) | m | 3.0×1.0x1.0 (2 PCS) | 5.8×1.0x1.0(2 PCS) | 5.8×1.0x1.0(2 PCS) | 8.0×1.0x1.0(2 PCS) |
| 2 | Pump power | KW | 11~15 | 22~37 | 45~75 | 90~132 |
| 3 | Pump size | inch | 4/6 | 4/6 | 4/6/8 | 6/8/10 |
| 4 | Pump flow capacity | cbm/hr | 50~150 | 75~300 | 100~600 | 200~1250 |
| 5 | Max. passing gravel diameter | mm | 21 | 45 | 36 | 56 |
| 6 | Max. dredging depth | m | 25 | 25 | 25 | 25 |
| 7 | Max.Discharge distance | m | 300 | 600 | 900 | 1100 |
| 8 | Discharge pipe diameter | inch | 4/6 | 4/6 | 4/6/8 | 6/8/10 |
| 9 | General control Box (optional) | KW | 15-22 | 30-45 | 55-90 | 110-160 |
| 10 | Generator (optional) | KW | 30 | 45-75 | 90-150 | 120-320 |
| 11 | Other configuration | Operation room, Electric hoist, cable roller, winder, anchor, shelter, etc | ||||
| 12 | Cable length | m | 10 | |||
| 13 | Power Supply | 380V, 50Hz, 3 phrase | ||||
| 12 | Remark | 1. Hydraulic system pump is available. 2. Generator power is affected by control box start way. 3. Max 3 pieces of extra agitator can be added. 4. Above data could be adjusted and customized according to your specific requirements. |
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Submersible Dredge Features
- Heavy duty, reliable and robust dredge body design and construction.
- Specially designed dredger pump, suction reamer head and motor to realize high dredger suction ratio and more thorough dredging.
- Best wear-resisting.Good wear-resisting property and big flow passage way that make the dredger pump suitable for mud, sand, big solid particles, ore pulp, coal pulp and coarse sand dredging.
- Triple protection. Flexible sensors to realize over-heating protection, water-intake inspect protection and oil chamber protection to ensure long and safe pump operation under abominable working conditions.
- Especially for multifunctional small and medium scale dredging projects
- High-chromium alloy material, aluminum alloy, stainless steel pump material available for different work site situation.
- One pump could add 3 pieces of extra agitator for higher work efficiency.
- Hydraulic system pump available.

Submersible Dredge Applications
OCEAN Pump had been dedicated in designing and manufacturing sand pump, slurry pump, gravel pump and sand dredgers for over 20 years. Our sand pump and sand dredge products had been exported to over 60 countries. They are widely used for sand dredging, mud dredging, port building and deepening in ponds, rivers, artificial lakes, ports, seas, reservoirs, boat docks, canals and waterfront sites, etc. Our ZJQ series submersible slurry pump dredger is suitable for the following applications.
- Sand and sludge dredging;
- Public facilities such as ports, canal, sediment dredging;
- Mine waste such as sedimentation tank, pumping coal, slag and pit sand all contain solid material solution cleaning;
- Industrial waste such as slag, dross, sludge, petroleum and asphalt residues dredging;
- River silt dredging, underwater dredging, aggregate sludge cleaning, marble powder dredging, sewer silt dredging, etc.




About OCEAN Pump
As the New Hi-tech Enterprise certificated by the Government, OCEAN Pump is the leading sand pump and sand dredger manufacturers, suppliers and exporters from China. We have more than 30 talented technical experts and 15,000 square meters factory. More than 4 series 20 kinds of sand pumps, slurry pumps, sand dredgers and related parts had been manufactured to satisfy your pumping requirements. Product innovation, quality assurance and customer satisfaction are our continuous commitment to all our partners.
OCEAN Pump is not only manufacturing best quality sand pump and sand dredger products but also providing custom product design, fabrication and after-sale service. If you have any questions or inquiries, please fill and submit the following form, we will reply as soon as possible.
