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At Tussu Pump, we know that on a construction site or in a mining pit, equipment failure isn’t just an inconvenience—it’s a massive expense. That’s why our KBZ Series Submersible Dewatering Pumps are engineered with a high-chrome semi-open impeller and a specialized water-cooling path to prevent motor burnout, even in the most demanding “dry-run” conditions.
Here is how Tussu KBZ pumps are solving real-world dewatering challenges for our global partners:
Real-World Success: Tussu KBZ Series in Action
Case Study 1: Urban Metro Infrastructure (South Asia)
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The Challenge: A massive subway excavation project encountered unexpected groundwater seepage mixed with heavy bentonite slurry and abrasive sand. Standard drainage pumps were clogging every 48 hours, stalling the tunnel boring machine.
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The Tussu Solution: We deployed a fleet of Tussu KBZ47.5 (7.5kW) and KBZ611 (11kW) pumps.
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The Result: Thanks to the High-Chrome Alloy Impeller and the rugged cast iron body, the Tussu KBZ series handled the abrasive solids without a single clog for over 1,200 hours of continuous operation. The project manager noted that Tussu’s specialized mechanical seals significantly reduced their maintenance downtime.
Case Study 2: Open-Pit Quarry & Aggregates (Middle East)
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The Challenge: A limestone quarry needed to clear rainwater from a collection sump. The water was highly alkaline and contained high concentrations of rock dust, which had previously destroyed the aluminum housings of competitor pumps.
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The Tussu Solution: We recommended the Tussu KBZ615 (15kW) with its heavy-duty ductile iron construction.
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The Result: The KBZ615’s top-discharge design allowed for continuous cooling of the motor as the water passed through the housing. This ensured the pumps could run safely even as the water level dropped to the minimum. The client has since replaced their entire fleet with Tussu KBZ models.
Why the Tussu KBZ Series Outperforms the Competition
What makes a Tussu KBZ pump different from a generic dewatering pump? It’s in the details:
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Wear-Resistant Materials: We use 27% High-Chrome Alloy for impellers and suction plates, specifically designed to resist the “sandblasting” effect of abrasive slurries.
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Superior Motor Cooling: The flow-through design means the pumped liquid cools the motor. This allows Tussu KBZ pumps to operate at low water levels for extended periods without overheating.
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Field-Replaceable Parts: In line with the Tussu philosophy, all KBZ parts are 100% interchangeable with industry standards, ensuring you can find spares or perform maintenance anywhere in the world.
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Heavy-Duty Mechanical Seals: We utilize dual silicon carbide seals in an oil chamber, providing a bulletproof barrier against water ingress.
Tussu KBZ Selection Guide
| Model | Outlet (inch) | Output (kW) | Max Head (m) | Max Flow (m3/h) |
| KBZ21.5 / KBZ31.5 | 2″ / 3″ | 1.5 | 15 – 20 | 27 – 40 |
| KBZ32.2 / KBZ22.2 | 3″ / 2″ | 2.2 | 21 – 26 | 30 – 50 |
| KBZ33.7 / KBZ43.7 | 3″ / 4″ | 3.7 | 25 – 30 | 55 – 90 |
| KBZ45.5 / KBZ47.5 | 4″ | 5.5 / 7.5 | 35 – 40 | 100 – 105 |
| KBZ611 / KBZ615 | 6″ | 11 / 15 | 30 – 45 | 145 – 155 |
Trust Tussu for Your Toughest Dewatering Tasks
Whether you are managing a skyscraper foundation or a deep-pit mine, Tussu Pump provides the power you need and the reliability you demand. Our KBZ series is the ultimate combination of heavy-duty performance and cost-effective operation.
