SPECIFICATIONS
Submersible Slurry Pump Description
When your dredging or mining operation faces extreme abrasion and thick sediment, you need equipment that doesn’t quit. The Hydroman® 300THY280 Hydraulic Submersible Slurry Pump with Agitator delivers unmatched reliability. As a 12 Inch Excavator Hydraulic Slurry Pump for Cleaning, it mounts directly onto your excavator’s hydraulic circuit, turning your machine into a high-performance dredging unit. This 280kW Vertical Submerged Pump for Slurry Removal operates fully immersed, handling solids concentrations up to 70% by weight. It is a true Heavy Duty Hydraulic Pump with Agitator for Slurry, engineered to lift settled sand, tailings, and industrial waste without clogging. Additionally, its design as an Excavator Mounted Submersible Pump for Underwater Slurry allows deep-water operation where electric pumps fail.
Unlike standard centrifugal pumps that choke on thick sludge, this hydraulic beast powers through the most demanding conditions. The built-in agitator creates a powerful vortex, fluidizing compacted sediments into a pumpable slurry. Whether you are cleaning settling ponds or reclaiming valuable minerals from tailings, the Industrial Hydraulic Slurry Pump for Thick Sediment keeps working when others overheat or wear out. Below, we break down why this pump is the preferred choice for project managers and dredging contractors worldwide.
Design Features of the High Efficiency Submerged Pump for Slurry Handling
The Hydroman® 300THY280 incorporates three core engineering innovations that set it apart from conventional submersible slurry pumps. Each feature directly addresses the pain points of high-wear, high-solid applications.
All wear components—including the impeller, casing, and suction plate—are cast from high-chrome alloy (hardness >58 HRC). This material resists abrasive wear from sharp sand, crushed ore, and fly ash far better than cast iron or polymer linings. In field tests, the 300THY280 delivers 3–5 times longer service life compared to standard slurry pumps when handling quartz-rich materials. The adjustable suction wear plate also allows you to restore clearance as components wear, maintaining peak efficiency without replacing parts prematurely.
Instead of relying on electric motors that risk short circuits underwater, this pump uses a radial piston hydraulic motor. You can power it from any hydraulic power pack or directly from your excavator’s auxiliary circuit (flow rate up to 280 L/min, pressure up to 350 bar). The agitator shares the same hydraulic supply, rotating independently from the main impeller. This means you can vary the agitator speed on the fly to match sediment hardness—soft sludge needs less stirring, while compacted gravel requires full vortex power. No electric cables, no subsea connectors, and zero risk of motor burn-out.
Many pumps sacrifice durability for speed. The Hydroman® 300THY280 operates at a relatively low rotational speed (typically 600–900 rpm) while generating massive torque. This reduces internal wear and allows large solids (up to 75mm / 3 inches in diameter) to pass through the 12-inch discharge without jamming. The semi-open vortex impeller creates a gentle but powerful flow pattern that keeps solids suspended, minimizing recirculation losses. Combined with a heavy-duty bearing cartridge and double mechanical seal with an oil chamber, this pump runs for thousands of hours in abrasive slurries with minimal maintenance.
Excavator Mounted Submersible Pump Parameters
| Hydraulic Pump Specification | Hydraulic Motor Specification | |||||||
| Model | Outlet (mm) | Capacity (m³/h) | Head (m) | Power (kW) | Solids handling (mm) | Displacement (ml/r) | Pressure (Mpa) | Oil capacity (L/min) |
| 300THY280-6P | 300 | 1200 | 50 | 280 | 90 | 710 | 22 | 710 |
While the Hydroman® 300THY280 adapts to many scenarios, two applications demonstrate its true value. Each requires the unique combination of hydraulic power, agitator action, and submersible durability.
Mining Tailings Reclamation – Why the Excavator Mounted Submersible Pump for Underwater Slurry Is Indispensable
Tailings ponds and settling tanks accumulate dense layers of fine solids mixed with process water. Conventional electric pumps struggle because the solids settle into a concrete-like bed. The Hydroman® 300THY280 mounts on a long-reach excavator, allowing you to lower the pump directly into the tailings pond. Its agitator breaks up the settled layer, converting years of compacted slurry into a mobile mixture. The pump then transfers this high-density slurry to a centrifuge, filter press, or re-processing plant.
Why this beats alternatives: No need to drain the pond or build a permanent pumping station. The excavator provides both positioning and hydraulic power, so one machine handles agitation and pumping. Mines using this setup report recovering up to 15% more valuable minerals from old tailings while reducing reclamation time by half.
River Dredging and Port Maintenance – The Industrial Hydraulic Slurry Pump for Thick Sediment in Action
Port basins and navigation channels accumulate thick organic silt, clay, and urban runoff debris. Electric submersible pumps often clog on ropes, plastics, or matted vegetation. The Hydroman® 300THY280, with its 12-inch discharge and vortex impeller, passes common debris without stopping. Mounted on a barge excavator, it moves along the dredging face, sucking up sediment from depths up to 30 meters (using additional hydraulic hoses).
The built-in agitator prevents “sand boil” effects by fluidizing the material before it reaches the pump intake, ensuring a consistent solids concentration of 50–70% by weight. Port authorities in Southeast Asia have used this pump to remove over 50,000 cubic meters of silty clay in a single season without a single hydraulic motor failure. For environmental dredging, the low-speed operation minimizes turbidity plumes, keeping you compliant with water quality regulations.
Frequently Asked Questions About the Hydroman® 300THY280 Hydraulic Submersible Slurry Pump
The key is the combination of a vortex impeller and an independent side-mounted agitator. The agitator liquefies settled solids before they enter the pump, while the vortex impeller creates a swirling flow that keeps particles moving. Unlike standard slurry pumps that rely on high-speed impeller blades to cut through solids (which leads to rapid wear), the 300THY280 uses hydraulic torque to push material gently but forcefully. The 12-inch discharge opening also handles large debris. In practice, clogging is extremely rare unless you pump materials with long fibrous content (ropes, textiles), and even then, the hydraulic motor can reverse direction briefly to self-clear the intake.
Yes, provided your hydraulic power unit has adequate cooling and filtration. The pump itself has no thermal limitations because the hydraulic motor dissipates heat into the surrounding slurry, which acts as a coolant. Many mining operations run the Hydroman® 300THY280 for weeks non-stop during tailings reclamation campaigns. The only required maintenance is checking the mechanical seal oil every 500 hours and inspecting the suction wear plate for wear. However, we recommend a spare pump on-site for critical continuous projects, as the high-chrome wet parts eventually wear after 2,000–4,000 hours depending on abrasiveness.
Two distinctions: First, the 300THY280 is specifically engineered for excavator mounting, with ISO 108-3 hydraulic couplers and a reinforced lifting eye that withstands the forces of swinging the pump into position. Second, its flow and pressure requirements match common excavator hydraulic systems (typically 200–350 bar, 200–280 L/min). Standard hydraulic submersible pumps often require a separate power pack because they need higher flow or lower pressure than an excavator can provide. The Hydroman® 300THY280 also includes a pressure-compensated flow control valve, so you can run it from any excavator without damaging the pump or the host machine. Just connect the case drain and supply lines, and you are ready to dredge.
Why Project Managers Choose Hydroman® – And How You Can Get One Today
After reviewing the specifications and real-world performance, one thing becomes clear: The Hydroman® 300THY280 Hydraulic Submersible Slurry Pump with Agitator is not an overhyped product—it is a solution for people who have lost weeks to broken electric pumps or clogged suction lines. The pump’s high-chrome alloy construction, independent agitator, and hydraulic drive system address the three root causes of slurry pump failure: abrasion, sedimentation, and electrical vulnerability.
Whether you are reclaiming tailings in a Chilean copper mine, cleaning fly ash ponds at a thermal power plant, or dredging a clogged marina in the Middle East, this pump delivers. And because it is hydraulic, you do not need to invest in a dedicated power source—your existing excavator or skid-steer becomes a mobile dredging station.
Hydroman® 300THY280 hydraulic Submersible Slurry Pump (12 inch, 280kW) ensures powerful vertical underwater slurry removal. Equipped with agitator for efficient sediment handling. Contact us today for reliable solutions!
Reach out to our engineering team with your specific slurry density, particle size, and required lift. We will provide a customized duty point calculation, a wear parts prediction, and a competitive quote. For urgent inquiries, ask about our express delivery program for Industrial Hydraulic Slurry Pump for Thick Sediment models. Your downtime ends here.
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