Product Description
Toyo GR Slurry Pumps
The Toyo GR Slurry Pumps provide heavy-duty submersible pumping for dense, abrasive slurry containing settled solids. Their patented shaft-mounted agitator loosens sediment and directs the mixture towards the semi-open impeller. Therefore, the pump can transfer material that may settle around the inlet of a conventional submersible unit.
Moreover, the top-discharge, self-cooling design supports operation while fully submerged or partially immersed. Consequently, GR pumps suit narrow sumps, construction pits and industrial tanks where liquid levels can fluctuate.
GR Pump Design and Cooling
Each Toyo GR heavy-duty pump uses a top outlet that routes the pumped liquid around the motor for cooling. As a result, suitable models can continue operating during partial immersion.
In addition, Toyo equips the range with thermal protection as standard. Therefore, the control system can respond to excessive motor temperature when installers connect the protection correctly.
Main Features and Benefits
- Patented Toyo shaft-mounted agitator
- Semi-open slurry impeller
- Top outlet discharge
- Self-cooling construction
- Partial-immersion capability
- Heavy-duty shaft and bearings
- Double mechanical seals in an oil bath
- Custom four-pole electric motor
- Motor service factor of 1.15
- High-chrome impeller, wear plate and agitator
- Adjustable wear plate on GR15 and larger models
- Alternative metallurgy options
- Deep-installation versions available
Together, these features make the Toyo GR Slurry Pumps suitable for demanding solids-transfer and sediment-removal duties.
GR Slurry Pump Performance
The GR range provides capacities up to 192 m³/h. Moreover, suitable configurations can transport slurry containing up to 55% solids by weight.
Toyo also positions the range for slurry densities of approximately 1.25 kg/dm³ and above. However, these figures describe series-wide capabilities. Therefore, engineers must select the exact model from its individual hydraulic curve and solids-passage data.
Patented Toyo Agitator System
The agitator mounts directly on the pump shaft. During operation, it lifts settled sand, sediment and sludge before the impeller draws the material into the casing.
Consequently, the Toyo agitator slurry pump creates a more uniform mixture around the inlet. Moreover, continuous agitation can reduce manual excavation and sump cleaning.
Nevertheless, the agitator cannot process every material. Therefore, users must identify particle hardness, shape and concentration before selecting the pump.
Wear-Resistant Hydraulic Components
Toyo manufactures the impeller, wear plate and agitator from cast chrome iron containing approximately 24% to 28% chromium.
As a result, these components resist abrasive wear from sand, minerals and industrial sediment. Moreover, Toyo can provide selected GR pumps in alternative metallurgies, including stainless steel.
However, engineers must verify the complete slurry chemistry before choosing materials.
Adjustable Wear Plate
GR15 and larger models include an adjustable wear plate. Therefore, technicians can restore the clearance between the impeller and wear surface as components gradually wear.
Consequently, adjustment helps preserve hydraulic efficiency and pumping capacity. In addition, facilities may extend component life before replacing major hydraulic parts.
Heavy-Duty Motor and Sealing
The Toyo GR Slurry Pumps use a custom four-pole motor with a 1.15 service factor. Therefore, the motor can support changing loads during dense-slurry pumping.
Meanwhile, a strong shaft and carefully selected bearings support the rotating assembly. Two mechanical seals operate inside an oil bath; consequently, the sealing system protects the motor from abrasive slurry.
Solids and Operating Limits
Published GR Series limits include:
- Maximum capacity: Up to 192 m³/h
- Solids concentration: Up to 55% by weight
- Particle size: Up to 40 mm
- Standard slurry temperature: Up to 60°C
- Permitted pH range: 4–14
- Standard operating depth: Up to 30 m
However, these limits do not apply simultaneously to every model. Therefore, users must confirm the selected pump’s individual specifications.
Deep-Installation GR Pump Versions
Standard GR pumps operate at depths up to 30 metres. Alternatively, special GR15 to GR30 versions can work at depths up to 60 metres without an additional external device.
Consequently, these deep-installation variants suit selected pits, shafts and submerged industrial applications. However, cable length, pressure rating and exact construction must match the required depth.
Typical Slurry Applications
The Toyo GR Slurry Pumps may support:
- Construction-pit dewatering with sediment
- Sand and slurry transfer
- Industrial sump cleaning
- Tank and lagoon clean-out
- Mining and mineral-processing slurry
- Quarry water containing solids
- Settling-basin cleaning
- Abrasive sludge pumping
- Foundation and piling work
- Process-residue transfer
- Dredging support
- Narrow-space slurry pumping
Moreover, the top-discharge layout suits confined spaces. Nevertheless, engineers must review the required head, particle size and abrasion level for every project.
Choosing the Correct Toyo GR Pump
Correct selection depends on flow, total head, slurry density, solids percentage and maximum particle size.
In addition, engineers should confirm slurry temperature, pH, operating depth, metallurgy, motor supply and installation arrangement. Therefore, specialists should select the Toyo GR Slurry Pumps from model-specific curves and technical data.
Otherwise, an unsuitable pump may suffer rapid wear, insufficient flow or motor overload.
Request UAE Pricing and Technical Support
Contact our pump specialists for technical selection, specifications and UAE pricing.
Please provide the required flow, total head, slurry density, solids percentage, particle size, temperature and operating depth. Consequently, our team can recommend the correct Toyo GR Slurry Pumps configuration.