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2L Air-Tight Volumetric Feeder with Build-in Agitator & Stainless Steel Hopper- EQ-PF-1S

In stock
Item Number: PF1S

EQ-PF-1S is an air-tight automatic solid powder feeder that includes a motor-driven agitator and stainless steel hopper with a built-in vibrator. It is designed for feeding solid powder into a furnace for continuous firing/heat treating with air-tight. The material is conditioned to a uniform bulk density, evenly filling the flights of the feed screw, eliminating rat-holing and bridging which can cause clogging and buildup of materials.

Note: Upgraded feature - timing control for the external vibration device is added in June 2016.


  • Stainless steel hopper with the vibrator.
  • Feed rate adjustable by the potential knob at the range  0 - 97 ml /min max.
  • 28'' long feed screw for efficient power delivery. Note: The customer may cut the feeding screw into a shorter length if needed.
  • KF25 material delivery port
  • Torque value: 4.45 N.m
  • Max. pressure:  0.2 bar  ( High-pressure powder feeder up to 1 MPa is available at the extra cost.


    • Single Phase 208~240VAC, 200W Max. 
    • 24VDC motor driving.


    • Outside Dimensions: 220mm L x 220mm W x 202mm H
    • Hopper Opening: 180mm x 180mm
    • Normal capacity:   2 Liter


    • One year limited warranty
    • NRTL certification is available upon request.

    Shipping Weight & Dimensions

    • Two Packages
    • 3 lbs, 36"x5"x5"
    • 19 lbs, 18"x14"x14"

    Operation Demo Video


    Application Note

    Feeder-Tube Furnace Assembly

    • You may connect this feeder with a rotation furnace to achieve solid powder feeding automatically (pic.1).
    • In order to keep solid powder flow into the processing tube smoothly under a controlled atmosphere, you may need a tube flange with a KF25 opening (pic.2)
    • Powder grain size shall be around 200 mesh.
     Pic. 1  Pic. 2

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    1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Prices vary from country to country.
    2. We may add extra charges for paper orders and NET 30 terms due to extra labor costs.
    3. The prices listed are subject to change without notice.