Product Description
Toyo DP Slurry Pumps
The Toyo DP Slurry Pumps provide extra-heavy-duty submersible pumping for sand, gravel, rock and dense abrasive slurry. Toyo developed the range for demanding mining, dredging and industrial sediment-removal applications.
The patented agitator loosens settled material before the closed impeller draws it into the pump. Therefore, the unit combines slurry pumping with active sediment excavation around the inlet.
Heavy-Duty DP Pump Design
Each Toyo DP pump combines a closed impeller with large hydraulic passages for compatible solids. Consequently, sand, gravel and rock particles can move through the casing with fewer restrictions.
Moreover, a short, strong shaft and heavy-duty bearings support the rotating assembly. As a result, the pump withstands changing loads while handling dense and abrasive slurry.
Key Features and Benefits
The Toyo DP Slurry Pumps provide:
- Patented shaft-mounted Toyo agitator
- Closed slurry impeller
- Large solids passages
- Heavy-duty shaft and bearings
- Oil-bath mechanical seals
- Custom four-, six-, eight- or ten-pole motors
- Motor service factor of 1.35
- High-chrome impeller, wear plates and agitator
- Adjustable wear-plate system
- Capacity up to 720 m³/h
- Solids concentration up to 70% by weight
- Particle passage up to 120 mm
- Deep-water versions available
- High-temperature configurations available
Together, these features support severe solids-handling and abrasive slurry duties.
Toyo DP Slurry Pump Performance
The DP range provides capacities up to approximately 720 m³/h. Moreover, suitable configurations can transport slurry containing up to 70% solids by weight.
Toyo also positions these pumps for slurry densities of approximately 1.35 kg/dm³ and above.
However, these figures represent series-wide limits. Therefore, engineers should select each Toyo DP pump from its model-specific hydraulic curve, motor output and solids-passage data.
Patented Toyo Agitator
The agitator mounts directly on the pump shaft. During operation, it loosens compacted sand, sediment, gravel and process residue around the inlet.
Consequently, the Toyo DP Slurry Pumps create a more uniform and pumpable mixture. Moreover, continuous agitation may reduce manual sump excavation and sediment removal.
Nevertheless, the agitator cannot process every material. Therefore, users should identify particle size, hardness, shape and concentration before pump selection.
Closed Impeller and Large Solids Passages
The closed impeller develops the hydraulic force required to move dense slurry. Meanwhile, large internal passages allow compatible solids to travel through the pump.
As a result, the DP design can handle materials that may obstruct conventional dewatering pumps.
However, physical passage size alone does not confirm suitability for every particle. Therefore, engineers should also consider shape, hardness and settling behaviour.
High-Chrome Wear Components
Toyo manufactures the impeller, wear plates and agitator from cast chrome iron containing approximately 24% to 28% chromium.
Therefore, these parts provide strong abrasion resistance against sand, gravel, minerals and rock particles.
DP10 and smaller pumps use one adjustable wear plate, while larger models generally use two. Consequently, technicians can restore hydraulic clearances as wear develops and help maintain pumping efficiency.
Motor, Shaft and Seal Protection
The Toyo DP Slurry Pumps use custom low-speed motors with a 1.35 service factor. Therefore, the motors can provide substantial torque for heavy slurry transfer.
Moreover, a strong shaft and carefully selected bearings support the impeller and agitator. Mechanical seals operate inside an oil bath, which lubricates and cools the sealing faces.
As a result, the pump maintains dependable mechanical performance in severe slurry conditions.
Solids Handling and Operating Range
Selected DP configurations can pass compatible particles up to approximately 120 mm and handle slurry containing up to 70% solids by weight.
Published series-wide limits include:
- Maximum capacity: Up to 720 m³/h
- Slurry density: Approximately 1.35 kg/dm³ or higher
- Solids concentration: Up to 70% by weight
- Maximum particle size: Up to 120 mm
- Standard slurry temperature: Up to 60°C
- High-temperature version: Up to 80°C
- Permitted pH range: 4–14
- Standard operating depth: Up to 30 m
- Special operating depth: Up to 120 m
However, these maximum values do not apply simultaneously to every model. Therefore, users should confirm the individual specification before ordering.
Deep-Water and Material Options
Standard Toyo DP pumps operate at depths up to 30 metres. Alternatively, special configurations can work at depths up to approximately 120 metres.
Moreover, Toyo can provide alternative metallurgies, including selected stainless-steel configurations. Therefore, engineers can match construction materials to abrasion and chemical conditions.
Toyo DP Applications in India
The Toyo DP Slurry Pumps may support applications across India such as:
- Mining and mineral processing
- Dredging and harbour works
- Sand and gravel extraction
- Quarry slurry transfer
- Tailings and process residue
- Construction-pit cleaning
- Industrial sump excavation
- Settling-basin cleaning
- Lagoon and tank clean-out
- Abrasive sediment transfer
Moreover, the agitator design suits applications where solids settle around the pump inlet. Nevertheless, engineers should calculate the complete system head and review slurry characteristics before final selection.
Selecting the Correct Toyo DP Pump
Correct selection depends on:
- Required flow and total head
- Slurry density
- Solids concentration
- Maximum particle size
- Particle hardness and shape
- Temperature and pH
- Abrasion level
- Operating depth
- Motor supply
- Installation arrangement
Therefore, engineers should select the Toyo DP Slurry Pumps from model-specific hydraulic and dimensional data. Otherwise, an unsuitable configuration may experience excessive wear, insufficient flow or motor overload.
Product Enquiries in India
The Toyo DP Slurry Pumps are presented through Pumps Bharat for mining, dredging, quarrying, tailings handling, construction, sediment removal and other extra-heavy-duty slurry applications across India.
When submitting an enquiry, please provide the required flow, total head, slurry density, solids concentration, particle size, temperature, pH and operating depth. Consequently, the available Toyo DP configurations can be evaluated against the application requirements.