Corn Oil Extraction: COSS Unit Specs

The Self-Cleaning COSS Unit


– Maximum hydraulic capacity = 7,925gph
– All wetted centrifuge parts are stainless steel construction
– Proprietary disc stack configuration for corn oil/stillage application

High Speed Bowl

– Solids holding capacity = 3.7 gallons
– 60HP, 440V/3PH/60HZ, electric motor with IP55 protection, class F insulation, thermistors for thermal overload
– Bowl manufactured of Super-duplex and AISI 304 quality stainless steel
– Calibrated high precision disc stack made of AISI 316
– Wear protection inserts for bowl bottom discharge ports made of AISI 316


– Flow unit made of AISI 304 stainless steel
– Fluid outlet with sight glass, control valve, and pressure gauge
– Clean fluid discharged by means of a paring disc under pressure and foam free
– Corn oil is discharged by means of a paring disc under pressure and foam free
– Set of interface regulating rings

Frame and Drive System

– Bowl covers and solids discharge cyclone made of AISI 304 stainless steel, special noise reduction design (double wall with sound insulating material)
– Bowl vertical shaft made of stainless steel AISI 431, driven by helical gear pair with orthogonal axes, and high precision ball bearings
– Manual brake with pin made of AISI 304 stainless steel
– Case iron frame covered with AISI 304 stainless steel
– Belt driven
– Foundation plate with shock absorbers and fleet made of AISI 304 stainless steel
– Special spanners for assembly/disassembly of bowl
– Operation, maintenance, spare parts manual

Control Panel Includes

– Allen Bradley CPU (central processing unit)
– Allen Bradley 1000 panel view
– Centrifuge contractor with overloads
– Touch screen control interface
– Ethernet capabilities for remote monitoring
– Panel provision for easy integration to existing system
– Emergency “shutdown” push/pull button
– 480 3-phase electrical requirements (standard)

Operation and Spare Parts

– Complete operation manual and trouble-shooting guide provided
– Spare parts list and installation instructions provided

Technical Data

– Hydraulic capacity = 7,925gph (product characteristics can affect capacity)
– Solids chamber capacity = 3.7 gallons
– Bowl speed = 5,200rpm
– Motor = 45kw
– Max outlet pressure = 72psig
– Min pressure of operating water = 29psig

Dimensions and Weight

– Length = 76in
– Width = 52in
– Height = 70in
– Gross Weight = 6,172lbs

Standard Offering Includes

– Electric control / power panel stainless steel
– Invertor for electric motor activation
– Frame externally coated by stainless steel liner
– Motor protection in stainless steel
– Inlet/outlet flow unit
– Solenoid valves unit and surge tank for operating water
– Foundation plate with shock absorbers
– Set of spare gaskets and seals
– Lubricant oil for first change

Available Options

– Stillage / syrup intercept kit
– Self-cleaning pre-filter
– Micrometric valve for flow-rate regulation
– Flow meter for stillage feed and corn oil
– Discharge monitoring system
– Tank and pump for discharged solids
– Vibrations monitoring system
– Pneumatic brake
– Electrical brake
– Integrated swing hoist with chain to move bowl parts
– Control programming and integration package