Compact 1655 Full Variable Speed Centrifuge

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This centrifuge was developed to provide customers with a Full Variable Speed centrifuge suitable for applications where a small footprint is required due to limited space. The Tec-C1655-FVS centrifuge is a significantly shorter than our models with a direct driven conveyor drive.

With real-time full variable speed adjustment capability of all operating parameters, operators have the ability to fine tune the centrifuge for optimum performance over a wide range of different applications, and in situations where process characteristics are ever changing.

Full variable speed capability is achieved by applying three variable frequency drives to each drive motor of the centrifuge respectively (main drive, conveyor drive, and feed rate). This allows operators to adjust the differential rpm, feed rate and “G” of the centrifuge while in full operation.

A Pro Logic Control (PLC) and touch screen can also be added to the control system providing a level of control logic to help achieve your process automation and preset parameter needs.


  • Drilling Fluids Processing
  • Dewatering
  • Barite Recovery
  • Rendering
  • Waste Fluids Treatment, Recovery, and Disposal
  • Produced Water Processing
  • Pulp and Paper
  • Sump Cleaning
  • Heavy Oil Drilling and Plant Processes
  • Distillers (Brewing Industry)

Maximum Hydraulic Capacity is 265 GPM/min. or 1 M3/min. (rated with water)
Maximum Rate of Solid Loading: 14,000 lbs/hour

Operating Speeds for Oilfield Applications

Low Speed Operations for High Gravity solids removal (i.e. barite)
Bowl Speed: 1,480 – 2,000 RPM

Acceleration: 498 – 908 G’s
Differential: 40 – 60 RPM

High Speed Operations for Low Gravity solids removal (i.e. fine drilled solids)
Bowl Speed: 2,814 – 3,150 RPM
Acceleration: 1,800 – 2,255 G’s
Differential: 25 – 40 RPM

Maximum Safe Operating Speed
Bowl Speed: Max Recommend: 3,150 RPM
Acceleration @ 3,150 RPM: 2,255 G’s
Differential: 60 RPM

Pool Port (pond) Adjustment
1 – 13 units of adjustment.

Beach Angle
10 degree beach angle

Flighting Pitch
110mm (4.25 in.)

Maximum Safe Operating Conveyor Torque
100,000 in/lbs (11.3 kNn) of torque

Gearbox Ratio
56:1 ratio

The following is a formula used to calculate ‘G’ force:
G = Bowl Diameter (in) X Bowl RPM2 X .0000142