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Volumetric Feeder with Build-in Agitator & Stainless Steel Hopper- EQ-PF-1S

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Item Number: EQ-PF-1S

EQ-PF-1S is an automatic feeder included 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. 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, 97cm^3/min max.
  • 28'' long feed screw for efficient powder delivery. Note: Customer may cut the feeding screw into a shorter length if needed.
  • KF25 material delivery port
  • Torque value: 4.45 N.m


    • Single Phase 208~240VAC, 200W Max. 
    • For operation under 110VAC, please order a 500W  transformer


    • Outside Dimensions: 220mm L x 220mm W x 202mm H
    • Hopper Opening: 180mm x 180mm 

    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 rotation furnace to achieve solid powder feeding automatically (pic.1).
    • In order to keep solid powder flow into processing tube smoothly, you may need tube flange with KF25 opening (pic.2)
    • Connect one of the two possible swivel assemblies (Pic.3, Pic.4) to the KF25 flange.
    • Powder grain size shall be around 200 mesh.
    • Larger (5 cf)  feeder is available (Pic.5)
    1. Feeder Setup 2.KF25 Flange 3.EQ-HS-1MF 4.EQ-HS-MFS25 5.Large Feeder

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    1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
    2. We may add extra charges for paper order and net30 terms due to extra labor cost.
    3. The prices listed are subject to change without notice.