Description
WQD10-70-5.5KW Aico Japan 7.5HP Sewage Submersible Pump: High-Pressure Vertical Lift Specialist
Master demanding drainage and waste management tasks with the WQD10-70-5.5KW Aico Japan Sewage Submersible Pump. This industrial-grade powerhouse is engineered for high-lift applications where standard sewage pumps fail to perform. With a robust 7.5HP (5.5KW) three-phase motor and a massive vertical head of 100 meters, this pump is the definitive solution for deep-well dewatering, high-rise building basements, and heavy-duty industrial effluent transfer.
Built to rigorous Japanese industrial standards, the WQD series combines immense starting torque with a specialized impeller design capable of handling suspended solids and fibrous waste. Whether you are dewatering a deep foundation, clearing a flooded mine shaft, or managing municipal sewage, this 2-inch outlet pump delivers the reliability and force required for continuous, heavy-duty operation.
The Aico Japan Engineering Advantage
The WQD10-70-5.5KW is a leader in high-head sewage technology due to its reinforced internal architecture:
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Impressive 100M Vertical Lift: Specifically designed to push waste water vertically up to 100 meters, making it ideal for deep underground structures and high-elevation discharge points.
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Three-Phase 5.5KW Motor: The industrial 380V–415V motor provides stable power and high torque, ensuring the pump can overcome the resistance of thick sludge and debris-laden water.
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High-Strength Non-Clog Impeller: Features a reinforced open impeller designed to shred and pass solids without compromising hydraulic efficiency or causing motor strain.
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Dual Mechanical Seal: Equipped with an Italian-style double-mechanical seal housed in an oil chamber, providing a watertight barrier that protects the motor from the corrosive nature of sewage and industrial chemicals.
Technical Specifications & Performance
| Feature | Specification |
| Model Number | WQD10-70-5.5KW (Aico Japan) |
| Power Output | 7.5 HP / 5.5 KW |
| Voltage | Three-Phase (380V – 415V) |
| Maximum Head (Lift) | 100 Meters |
| Max Flow Rate | 10m³/h – 12m³/h (System Dependent) |
| Outlet Diameter | 2 Inches (50mm) |
| Insulation Class | Class F (High Temperature Resistance) |
| Protection Rating | IP68 (Fully Submersible) |
| Body Material | Heavy-Duty Reinforced Cast Iron |
Product Highlights
1. Specialized High-Lift Efficiency
While most sewage pumps prioritize volume over height, the WQD10-70 is a high-lift specialist. Its internal hydraulic stages are optimized to maintain consistent pressure over long vertical distances, ensuring that waste reaches the surface even from the deepest pits or basement levels.
2. Rugged Industrial Build Quality
The entire pump housing is crafted from high-density gray cast iron. This provides the structural weight necessary to remain stable in turbulent water and ensures the pump can withstand the abrasive materials and physical impacts found in industrial runoff.
3. Smart Thermal Protection
To protect your investment, the 5.5KW motor includes internal thermal overload sensors. If the pump encounters a blockage or the motor temperature rises beyond safe limits, the system automatically cuts power to prevent winding burnout, significantly extending the machine’s lifespan.
4. High-Velocity 2-Inch Discharge
The 2-inch (50mm) outlet is sized for high-velocity discharge. This diameter ensures that the fluid moves fast enough to keep solids in suspension, preventing sedimentation and clogs in your discharge piping during long vertical runs.
5. Ease of Maintenance
Despite its industrial power, the WQD10-70-5.5KW is designed for practical field use. It features a heavy-duty lifting handle for secure deployment and an accessible base plate that can be easily cleared of large debris without dismantling the entire unit.
Primary Applications
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Civil Engineering: Dewatering deep foundation pits, tunnels, and subway construction sites.
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Mining & Industry: Removing slurry and waste water from deep shafts and processing vats.
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Commercial Skyscrapers: Managing waste water and storm water from multi-level underground parking.
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Municipal Waste: High-pressure sewage lifting for urban treatment plants and main sewer lines.
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Agriculture: Pumping liquid manure or heavily silted water from large-scale lagoons to irrigation fields.






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