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In riverbed dredging, the distance between profit and loss is measured in solids concentration and uptime. If you’re using a standard pump, you’re likely moving 80% water and 20% sand while praying the motor doesn’t seize.
At Tussu®pump, we don’t just sell pumps; we provide the “underwater bucket” that never stops. Here is the technical reality of how our hydraulic units dominate riverbed excavation.
1. Stop Pumping Water, Start Moving Solids
The biggest waste of money in dredging is the water-to-sand ratio. A standard pump can’t handle a thick “slurry.”
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The Tussu® Core: We integrate a High-Chrome Agitator directly on the main shaft. It doesn’t just “suck”; it mechanically breaks the compaction of the riverbed.
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The Result: It forces the sand into a high-density mixture, allowing you to hit 70% solids by weight. You move more dirt in one hour than a standard pump moves in four.
2. High-Torque Hydraulic Drive: The “Anti-Clog” Insurance
Electric pumps have a fixed torque curve—they hit a rock, they trip the breaker, or worse, the motor burns out.
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The Tussu® Core: Our pumps run on Variable Displacement Hydraulic Motors. When the material gets thick or a stone enters the intake, the hydraulic system delivers massive, low-end torque to chew through it.
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The Result: If it’s too big to pass, the hydraulic pressure relief valve kicks in. No burnt motors. No electrical hazards. You just reverse the flow from the excavator cab and keep digging.
3. Forget the 7-Meter Suction Limit
If you are working from a barge or the bank with a surface pump, physics limits you to about 7 meters of depth before the pump loses “prime.”
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The Tussu® Core: Our pump is fully submersible and mounts directly to your excavator’s arm.
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The Result: It works at the riverbed. Whether you are at 10, 20, or 50 meters, the discharge volume doesn’t drop. You’re pushing the slurry from the bottom, not trying to pull it from the top.
4. Cr28 Metallurgy: Built for the “Sandblast”
River sand is an abrasive that eats cast iron in days. If your equipment isn’t hard enough, you’ll be replacing the impeller every week.
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The Tussu® Core: Every “wet end” component (Impeller, Volute, and Wear Plate) is cast from 28% High-Chrome Alloy (600+ Brinell Hardness).
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The Result: These parts are designed to handle the constant scouring of gravel and grit, keeping your pump in the water longer and in the repair shop less.
The Bottom Line
In riverbed excavation, the only metric that matters is cubic meters per hour. Tussu® hydraulic submersible pumps eliminate the downtime of electric failures, bypass the physics of suction limits, and maximize the density of every liter you pump.
If you have an excavator and a river to clear, we have the power to move it. Faster.Tussu®pump: Precision Engineering for Extreme Abrasives.
