Bulk Handling Solutions

Solutions for water treatment operators

Screw Feeder

The CON-V-AIR Solutions volumetric screw feeder is designed to serve the needs of the dry chemical addition in the water treatment industry. Designed for continuous duty and high precision yet highly adaptable by having the same frame for all scrwe sizes.

Designed for hydrated lime, quick lime, potassium permanganate, sodium silicofluoride, soda ash, calcium carbonate & powder activated carbon.


  • Standard SS304 construction, 316 zinc/carbon stell offered as an option
  • Optional load cell platform mounting
  • Feed screw overwrap and vibrator for precise and continuous feeding
  • Variable-speed motor with linear feeding output
  • All models operate on a 1/2 HP motor for the screw (DC or VFD) and a 1/6 HP 120V vibrator

Process Capability

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Screw Feeder
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