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Volumetric Feeders

Thayer’s Models PF-S and PFM-S Volumetric Powder Feeders control both flooding and clogging problems associated with difficult-to-handle powders. Deep Tear-Drop “U” trough screw feeder, featuring a dual wound horizontal agitator that moves material away from both front and back walls of the conditioning chamber above. With standard capacities of up to 635 cubic feet per hour, higher capacities are available upon request.


  • High Capacity
  • Patented U-Trough Design
  • Tough to Handle Materials
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