The Dorr-Oliver® Gorator™ Chopper Pump: durable solution for your unique needs
A durable product reduces time and money waste. The Gorator Chopper Pump handles the heavy-duty processes of size reduction and distribution. It also comes in different models to match the needs of a wide variety of industries.
Gorator Chopper Pump - Effective distribution for a wide range of materials
There are various industries that require a reliable pump with specific functions to match the industry’s needs. The Gorator Pump comes in different models to fill the needs of each industry.
- The 6x4x10 model is made for maximum flow and controlled size reduction. It’s best used for complete mixing, stripping, dispersion or delumping.
- The 4x4PP model mixes and disperses for liquid/liquid materials or liquid/solid materials. It also pumps fluids with heavy amounts of grit.
Between these models, the Gorator Pump can handle materials like synthetic fibers, sludges, slurries, high-density pulps, rubber dispersion, slaughter-house residue, high-viscosity materials, chemical residue, industrial waste and paper stocks. While this is not a comprehensive list of all the materials that can be processed by the Gorator Pump, it illustrates the variety of materials it can handle.
Paper and pulp mills
Pulpers take up more energy depending on the efficiency of the chopper pump. With the Gorator Pump, pulpers deliver 50% more production. This reduces the mills’ required horsepower days per ton. The Gorator breaks up ground wood bull-screen rejects, disperses wet-strength secondary fiber and prevents plugging of black liquor guns in recovery boiler systems. The Gorator’s shearing action fiberises, deflakes and shreds without cutting fibers.
Many industries use the Gorator Pump to process industrial wastewater. Chemical and petrochemical plants use the Gorator Pump to disintegrate liquid waste before it is incinerated.
The chemical processing industry is able to save money with the Gorator Pump since it acts as several machines in one. It’s able to size, shred and pump plastics, rubber and adhesives. By controlling particle size, the Gorator prevents clogged lines in polymerization and crystallization trains. This allows hazard-free screening and keeps processes moving smoothly. There are many other ways that the Gorator enhances chemical processing plants through size reduction, shredding, extraction, separation and disintegration.
Fish wastes, citrus peels, secondary vegetable products and even bones are all processed in the Gorator for the food industry. It has been designed to withstand the heavy stress of shearing for reduction and dispersion.
To meet the preferences and needs of your operation, the different Gorator models can be further customised. The mixing and dispersion intensity level can be adjusted and controlled by the user. Since each operation has unique space available, the Gorator can also be adjusted to fit the space offered.
Clogs are a frequent burden with chopper pumps. But when a product works easily and effectively, your operation saves time and money. Even under difficult conditions, the Gorator self-cleans and won’t clog.
Saved costs, optimised options and quality distribution - Gorator Chopper Pump
Optimised options for a variety of needs in multiple industries
- There are three different Gorator models, each catered to different preferences. The food, chemical processing and paper industries are a few who benefit from the different models.
Time and cost efficiency
- The Gorator Pump is made to withstand significant wear over long periods of time. This prevents replacement or repair. The Gorator Pump also saves costs by acting as multiple machines in one. Clog-induced downtime is also largely avoided because the Gorator design significantly decreases blockackage.
Quality size reduction and distribution of processed material
- The user can control the material’s mixing and dispersion intensity. With horizontal and vertical installment options, the ability to run dry and lower horsepower speeds, the Gorator can thoroughly distribute the material you need.
Gorator Pump models to match each material
To keep your operation functioning without bumps in the road, the Gorator is designed to defy clogs.
This is accomplished through a few aspects of the design. For one, the notched teeth in the rotor plate connect with the teeth in the stator bars to grind the material. Second, placing the rotor at an oblique angle at the end of the chopper pump shaft keeps material from building up. Finally, the impeller forces the pumped material directly through the outlet which prevents a common cause of clogs. Since it can be inconvenient or occasionally impossible to supply liquid to the Gorator, these chopper pumps can be made to run dry or partially dry without damage.
GN 6x4x10 horizontal
To effectively process anything that enters it’s 6” inlet, this model is largely furnished from cast 304 or 316 stainless steel. The rotor plate, liner bars and end liner segments are abrasion resistant stainless steel. The discharge slots can be adjusted by 3/16” segments to allow size customisation. It operates up to 100HP at 1800 rpm.
GNV 6x4x10 vertical
This model is similar to the GN 6x4x10. It’s vertical design facilitates the flow and processing of materials that don’t move easily. It’s often connected directly to the bottom of a mixing vessel which accelerates mixing, dispersion and extraction.
This model is cast iron with a hardened steel rotor plate, tool steel liner bars and WS Meehanite end rings. Its inlet is 4” and its outlet is 3”. The discharge openings can be matched with different standard parts, and it operates up to 60 at 1800 rpm. It also comes with a short overhand shaft for minimal deflection under shock loads.
PP 4x4 v-angled rotor pump
This Gorator is purely used for chopper pumping and ideal for high viscosity slurries with large quantities of debris. It’s made of heat-treated WS Meehanite that is wear and impact resistant. It’s rotor is 8”, v-angled and dynamically balanced. Typically it comes furnished with vari-drive motor for flow rate control. It operates up to 60 at 1550 rpm.