Oliver Gravity Table, lab size model 30/31

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Model 30 and 31

The most accurate separations possible for small samplings over a huge range of materials, 12″ or less in size.

Separate smaller samples of similar sized materials (seed, grain, spices, herbs, mineral sands, and more) with outstanding efficiency.  The user-friendly design of this laboratory gravity table integrates many of the top features and elements of larger Oliver machines for dynamic and efficient results. The Oliver Laboratory Separator consistently provides engineers with data necessary to accurately predict the expected outcomes of larger production setups in the seed, nut, lumber, mining and recycling industries.

  • Specialized machine and deck design for small lot processing, up to 500 lbs/hr
  • Low noise
  • User friendly design
  • Electronic control for the most precise fan and eccentric speed adjustment

Gravity Separators, also known as gravity air tables or density separators, use a combination of air for weighing, vibration for fluidization and conveying and tilt (or slope) for separation.

Made for ease of use, longevity and above all, accuracy, Oliver Gravity Separators sort dry, granular, free-flowing material into streams according to particle density. This density separation can effectively separate like-size particles with as little as 0.5% difference in specific density.

Capacity with the small grains deck (# 16 Mesh)
is 250 lbs per hour on Wheat, corn, oats, and hemp.

This is a pressure type gravity table.

The deck dimensions are 30″ X 36″.
Dimensions are 54″ H x 42″ W x 42″ L

Shipping dims are: 68″L 50″W 59″H 1000 lbs

Available options:  

  • M = Master Series, adds counterbalance vibration control, indicator gauges, square to round hopper transitions, aspirating feeder, electronic deck speed control
  • ACM = Master series options plus electronic fan speed control
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