Product/Service

Arch-Breaking Screw Feeder

Source: Diamondback Technology, by JR Johanson, Inc.
The company's screw feeder with its patented arch-breaking Diamondback Hopper easily retrofits existing bins to eliminate flooding, flushing and erratic flow.
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The company's screw feeder with its patented arch-breaking Diamondback Hopper easily retrofits existing bins to eliminate flooding, flushing and erratic flow. In addition to its arch-breaking capabilities, the screw also densifies powders for sack or bag filling, seals against pressures and vacuums, and provides controlled uniform density for weigh hopper applications.

The screw is for a variety of applications from prefeeding rotary valves to prevent leakage and blow-back into the hopper, to handling cohesive materials at consistent output densities. Its variable speed also accommodates both fast and dribble feed conditions.

The Diamondback Screw Feeder comes in 6-, 12- and 18-inch diameters and is coated on key flight areas with wear-resistant steel. Its removable screw and bearing assembly simplifies maintenance or repairs and shortens process downtime, while the cantilevered screw reduces bearing and seal problems. The screw also is available with extra mating flanges for retrofitting existing hoppers.

Diamondback Screw Features

  • Anti-arching Diamondback Hopper with extra top mating flange to retrofit existing bins
  • Flow pattern adjusters
  • Screw assembly unit for easy removal
  • Optional longer length screw
  • Diamondback air removal hopper for product densification
  • Pneumatic end plate actuator
  • Pressure plate
  • Vent for air bypass rotary feeder
  • Diamondback discharge chute

Diamondback Technology by JR Johanson, Inc., 1237 Archer St., San Luis Obispo, CA 93401. Tel: 805-544-3775. Fax: 805-549-8282.