A Submersible Dredging Pump is an essential tool for industries involved in sediment removal, slurry transport, mining operations, and waterway maintenance. Designed to operate directly within the material being pumped, these specialized pumps offer superior efficiency when handling abrasive solids, sand, gravel, sludge, and other challenging materials.
Among the leading solutions available today is the Dragflow HY 85 B Hydraulic Pump, a high-performance submersible dredging pump engineered for demanding industrial environments. Built by Dragflow, a globally recognized manufacturer of dredging and solids handling equipment, the HY 85 B combines durability, power, and advanced pumping technology to deliver exceptional results.
What Is a Submersible Dredging Pump?
A Submersible Dredging Pump is a heavy-duty pump designed to operate while fully submerged in water, slurry, or sediment. Unlike traditional pumps, submersible dredging pumps can be positioned directly at the source of the material, reducing energy loss and improving pumping efficiency.
These pumps are commonly used for:
Harbor and port dredging
Reservoir and dam maintenance
River and canal cleaning
Sand and gravel mining
Industrial sludge removal
Wastewater treatment
Offshore operations
Environmental remediation projects
The Dragflow HY 85 B Hydraulic Pump is specifically engineered to excel in these demanding applications.
Why the Dragflow HY 85 B Is an Industry-Leading Submersible Dredging Pump
High-Chrome Wear Components
One of the key advantages of the Dragflow HY 85 B is its high-chrome wear parts. These components are designed to resist extreme abrasion, making the pump ideal for handling aggressive materials such as sand, gravel, and mineral-rich slurries.
Integrated Agitator for Improved Solids Handling
The built-in agitator continuously stirs settled solids and sediments, allowing the pump to maintain consistent performance even in dense slurry conditions.
Hydraulic Power for Challenging Environments
The hydraulic drive system enables reliable operation in remote locations, underwater environments, and industrial sites where electric power may be impractical.
Low-Speed Design for Extended Service Life
Operating at low rotational speeds reduces wear on internal components, helping to minimize maintenance requirements and increase equipment longevity.
Technical Specifications
The Dragflow HY 85 B Hydraulic Pump delivers outstanding performance across a wide range of applications.
Key Specifications
Pump Capacity: 10 m³/h to 1500 m³/h
Power Range: 14 HP to 400 HP
Maximum Delivery Distance: Up to 1.5 km
Solids Handling Capacity: More than 70% by weight
Wear Components: High-chrome abrasion-resistant materials
Integrated Agitator: Standard feature
Pump Type: Hydraulic Submersible Dredging Pump
These capabilities make the HY 85 B suitable for both small-scale maintenance work and major dredging projects.
Applications of the Dragflow HY 85 B Submersible Dredging Pump
Dam Dredging
Over time, reservoirs accumulate sediment that reduces storage capacity. The Dragflow HY 85 B effectively removes these deposits, helping restore reservoir efficiency.
Sand and Gravel Extraction
Mining and quarry operations depend on reliable equipment for material extraction. The HY 85 B efficiently pumps abrasive aggregates while maintaining high productivity.
Slurry Pumping
The pump is specifically designed to handle dense slurries with high solid content, making it ideal for industrial processing and mining operations.
Bentonite Pumping
Construction, tunneling, and drilling projects benefit from the pump's ability to transport bentonite slurries efficiently.
Dewatering Operations
The pump supports dewatering projects by removing water mixed with sediments and solids from construction sites, mines, and industrial facilities.
Offshore Platform Maintenance
Its hydraulic design and rugged construction make the pump suitable for offshore applications where reliability is critical.
Sewage Treatment Plants
The HY 85 B handles sludge and wastewater solids efficiently, supporting modern wastewater management systems.
Steel Mill Operations
Industrial facilities use the pump to transfer abrasive by-products and dense slurries generated during steel manufacturing processes.
Benefits of Choosing a Submersible Dredging Pump
Higher Pumping Efficiency
Submerged operation allows direct access to the material source, reducing pumping losses and improving productivity.
Superior Solids Handling
The agitator and robust hydraulic design enable efficient transport of high-density slurries and abrasive materials.
Reduced Maintenance Costs
Wear-resistant materials and low-speed operation help extend component life and reduce service requirements.
Increased Operational Flexibility
Hydraulic power allows deployment in remote and challenging environments where conventional pumps may struggle.
Long-Distance Material Transport
The ability to pump materials over distances of up to 1.5 kilometers supports large-scale industrial and dredging projects.
Industries Served
The Dragflow HY 85 B Submersible Dredging Pump is widely used in:
Marine Dredging
Mining and Quarrying
Construction and Infrastructure
Wastewater Treatment
Offshore Oil and Gas
Environmental Restoration
Aggregate Processing
Heavy Industrial Manufacturing
Dragflow: A Global Leader in Dredging Technology
For more than 25 years, Dragflow has specialized in developing innovative dredging and slurry pumping solutions. The company’s equipment is used worldwide for harbor dredging, beach nourishment, sand mining, river restoration, and reservoir maintenance.
The Dragflow HY 85 B Hydraulic Pump reflects the company's commitment to delivering reliable, efficient, and durable pumping solutions for demanding applications.
Submersible Dredging Pump: Maximizing Efficiency with the Dragflow HY 85 B Hydraulic Pump