Hydroman® 65THY4-6P Pump Description
When it comes to demanding underwater excavation and slurry management, the Hydroman® Hydraulic Submersible Slurry Pump for Dredging sets the industry standard. This Excavator Hydraulic Slurry Pump for Underwater Cleaning is engineered to transform standard hydraulic excavators into high-performance dredging machines. As a Vertical Hydraulic Pump for Submersible Slurry Transfer, it operates fully submerged, leveraging the power of the carrier machine to eliminate the need for external electricity. Specifically designed as a Hydraulic Slurry Pump for Sand and Mud Removal, this unit tackles the toughest materials with ease. Built to function as a Submersible Hydraulic Pump for Excavator Slurry Work, the 65THY4-6P model offers the perfect balance of portability and power for remote or confined job sites.
The Hydroman® 65THY4-6P distinguishes itself from conventional electric pumps through its robust hydraulic drive system. Unlike electric submersibles that are vulnerable to moisture ingress and require specialized power sources, this Industrial Hydraulic Slurry Pump for Underwater Operations draws its energy directly from the auxiliary circuit of an excavator or a dedicated hydraulic power pack. This design eliminates the risk of electric shock in wet environments and provides infinite variability in speed and flow, allowing operators to match the pump’s output precisely to the material being handled.
Design Features & Engineering Excellence:
Direct Hydraulic Drive: Powered by a hydraulic motor, the pump offers superior torque even at low speeds. This allows the Hydraulic Driven Slurry Pump for Mining Applications to maintain consistent suction when handling heavy, compacted materials like sand, gravel, or mine tailings.
High-Chrome Alloy Construction: The critical wear parts—including the impeller, agitator, and volute liner—are manufactured from high-chrome alloy. This metallurgical choice ensures exceptional resistance to abrasive wear, extending the service life significantly compared to standard cast iron pumps when dealing with materials containing up to 70% solids by weight.
Integrated Agitator: A key feature is the built-in high-chrome agitator located at the pump base. This component rotates to fluidize settled solids, creating a dense, homogeneous slurry directly at the suction inlet. This capability is essential for efficient sand and mud removal, preventing the formation of "cones" of dry material that often stop standard pumps.
Robust Seal Protection: To protect the hydraulic motor, the unit utilizes a dual mechanical seal system with a barrier fluid reservoir. This ensures that abrasive slurry particles cannot penetrate the critical motor housing, guaranteeing reliability during prolonged underwater operations.
Hydroman® 65THY4-6P Hydraulic Submersible Slurry Pump Performance Parameters
| Hydraulic Pump Specification | Hydraulic Motor Specification | |||||||
| Model | Outlet (mm) | Capacity (m³/hour) | Head (m) | Power (KW) | Solids handling (mm) | Displacement (ml/r) | Pressure (Mpa) | Oil capacity (L/min) |
| 65THY4-6P | 65 | 30 | 16 | 4 | 14 | 12 | 10 | 18 |
| 65THY4-6P | 65 | 25 | 20 | 4 | 14 | 12 | 14 | 18 |
While the Hydroman® 65THY4-6P is versatile across multiple industries, two primary applications demonstrate its unmatched capability.

High-Efficiency Dredging and Reclamation
For contractors involved in harbor maintenance, river deepening, or lagoon cleaning, the Hydroman® Hydraulic Submersible Slurry Pump for Dredging offers a mobile alternative to large, expensive dredge platforms. By mounting directly to the excavator boom, this pump provides pinpoint accuracy. Operators can walk the machine into shallow water or along banks, lowering the pump to agitate and extract sediment on demand. This configuration is ideal for cleaning settling ponds, stormwater retention basins, and performing beach reclamation where precise material removal is required without dewatering the entire site.

Heavy-Duty Mining and Tailings Management
In mining environments, reliability and wear resistance are paramount. The Hydraulic Driven Slurry Pump for Mining Applications excels in handling coal tailings, mineral processing waste, and settling tank cleanouts. Its ability to pump high-density slurries over distance without clogging makes it the preferred choice for underground sump cleaning and surface tailings reclamation. The hydraulic drive eliminates the ignition risks associated with electric motors in explosive gas environments, providing a safer solution for coal and mineral extraction sites.
Frequently Asked Questions (FAQ)
Q1: How does the Hydroman® 65THY4-6P perform as a Vertical Hydraulic Pump for Submersible Slurry Transfer compared to electric pumps?
A: As a Vertical Hydraulic Pump for Submersible Slurry Transfer, the 65THY4-6P offers superior safety and durability. Electric pumps risk short circuits and motor burnout when seals fail. In contrast, this hydraulic model features a robust mechanical seal system that protects the hydraulic motor from water ingress. Additionally, because it is powered by the excavator’s hydraulics, there is no need for generators or high-voltage cables, making it safer for underwater cleaning in wet or confined spaces.
Q2: Can this unit be used with any excavator for underwater cleaning?
A: Yes, the Submersible Hydraulic Pump for Excavator Slurry Work is designed to interface with standard excavator hydraulic systems. It requires a unit with sufficient hydraulic flow (typically in the range of 70-100 L/min) to drive the pump at optimal speeds. The compact design allows for mounting on the excavator arm via a quick coupler or standard bracket, providing the operator with full articulation to reach deep areas or sloping banks.
Q3: What makes this pump effective for sand and mud removal where other pumps fail?
A: The integrated agitator is the key differentiator. When performing Hydraulic Slurry Pump for Sand and Mud Removal tasks, settled solids tend to compact and resist suction. The rotating agitator mechanically breaks this compaction, mixing the solids with water to create a fluid slurry. This ensures that the pump always operates at peak concentration, preventing cavitation and allowing for continuous, high-volume removal of materials that would otherwise require manual loosening.
Why Choose Hydroman® for Your Submersible Slurry Needs?
The Hydroman® 65THY4-6P is more than just a pump; it is a productivity multiplier. By leveraging the existing power of your heavy machinery, it eliminates the logistical burdens of electric power distribution and simplifies equipment fleets. The focus on high-chrome metallurgy ensures that your investment withstands the most punishing abrasives, from sharp sand grains to jagged mine tailings. Whether you are reclaiming valuable materials from settling ponds or clearing a municipal drainage channel, this pump delivers consistent, high-concentration flow with minimal downtime.
Contact us now! Upgrade your operational capabilities with the Hydroman® Hydraulic Submersible Slurry Pump for Dredging, a vertical unit designed for underwater use, powered by excavator hydraulic systems. With a 65mm (2.5 inch) outlet and robust hydraulic power, it ensures efficient slurry removal. Contact us now!
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+86 311 8722 1317
No. 266, Tianshan St, High-tech Zone, Shijiazhuang City 050000, China.