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 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, a correctly connected control system can respond to excessive motor temperature and help protect the pump.
Key Features and Benefits
The Toyo GR Slurry Pumps provide:
- 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 support demanding solids-transfer, sediment-removal and abrasive slurry applications.
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 overall series capabilities. Therefore, engineers should select each Toyo GR pump from its individual hydraulic curve and solids-passage data.
Patented Toyo Agitator System
The agitator mounts directly on the pump shaft. During operation, it loosens settled sand, sediment and sludge before the impeller draws the mixture into the casing.
Consequently, the Toyo GR Slurry Pumps can create a more uniform solids concentration around the inlet. Moreover, continuous agitation may reduce manual excavation and sump-cleaning requirements.
Nevertheless, the agitator cannot process every type of material. Therefore, users should identify particle hardness, shape, size 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 provide strong abrasion resistance for sand, minerals and industrial sediment. Moreover, Toyo can provide selected GR configurations in alternative metallurgies, including stainless steel.
However, engineers should review the complete slurry chemistry before choosing construction 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, regular 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 range uses a custom four-pole motor with a 1.15 service factor. Therefore, the motor can accommodate changing loads during dense-slurry pumping.
Meanwhile, a strong shaft and heavy-duty bearings support the rotating assembly. Two mechanical seals operate inside an oil bath; consequently, the sealing system helps protect the motor from abrasive slurry.
Operating Range
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 configuration. Therefore, users should confirm the selected model’s individual specification.
Deep-Installation GR Versions
Standard Toyo GR Slurry Pumps operate at depths up to 30 metres. Alternatively, special GR15 to GR30 versions can operate at depths up to 60 metres without an additional external device.
Consequently, these configurations may suit deep pits, shafts and submerged industrial applications. However, cable length, pressure rating and pump construction must match the required installation depth.
Toyo GR Applications in India
The GR slurry pump range may support applications across India such as:
- 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
- Confined-space slurry pumping
Moreover, the top-discharge design suits narrow or restricted installation areas. Nevertheless, engineers should review the required head, particle size, solids concentration and abrasion level before final selection.
Selecting the Correct Toyo GR Pump
Correct selection depends on:
- Required flow and total head
- Slurry density
- Solids concentration
- Maximum particle size
- Slurry temperature
- pH
- Operating depth
- Construction material
- Motor supply
- Installation arrangement
Therefore, engineers should select the Toyo GR Slurry Pumps from model-specific hydraulic curves and technical data. Otherwise, an unsuitable configuration may suffer excessive wear, insufficient flow or motor overload.
Product Enquiries in India
The Toyo GR Slurry Pumps are presented through Pumps Bharat for construction, mining, quarrying, industrial sump cleaning, sediment removal, dredging and other abrasive slurry applications across India.
When submitting an enquiry, please provide the required flow, total head, slurry density, solids percentage, particle size, temperature, pH and operating depth. Consequently, the available GR configurations can be evaluated against the application requirements.