Product Lines

Dissimilar Speed Double Concentric Auger Feeder with Flow Inducing Hopper - Model 120

Model 120 Dry Solids Volumetric Feeder… with Dissimilar Speed, Double Concentric Auger Metering Mechanism and Flow-Inducing Hopper


The Model 120 Volumetric Feeder features a flow-inducing 'Recipro-Pivotal' (R-P) Hopper mounted above a feed chamber housing Acrison’s unique Dissimilar Speed, Double Concentric Auger Metering Mechanism. The integral oscillating hopper produces a positive downward flow of dry solid ingredients into the feeder’s feed chamber where the Dissimilar Speed Double Concentric Auger Metering Mechanism conditions the material to a consistent state, while effectively and reliably filling the metering auger from a full 360º.


  • Unique 'Recipro-Pivotal' (R-P) Hopper and Double Concentric Metering Mechanism combine to produce an extremely versatile and effective dry solids feeder capable of metering a wide variety of  ingredients accurately and efficiently
  • All Steel Construction – provides long-term durability with minimal maintenance requirements
  • Feed rates from 0.0012 to 200 cubic feet per hour


  • All product contact parts are 304 stainless steel including the feeder’s drive shafts and seal components.
  • All models equipped with a constant speed gearmotor for the R-P Hopper and a variable speed AC or DC gearmotor for the metering auger with either a  30:1 or 50:1 speed range.


  • Various materials of construction
  • Sanitary construction to comply with USDA and FDA codes and requirements
  • Quick-disconnect construction for ease-of-cleanout
  • Various AC and DC variable speed motor controllers and control modes
  • Integral (R-P) Hoppers up to 5 cubic feet in capacity