Article by Three-Tec GmbH: Dosing Units / Feeders Precisely Tailored to the Customer’s Needs

Article by Three-Tec GmbH: Dosing Units / Feeders Precisely Tailored to the Customer’s Needs

Three-Tec GmbH (Switzerland) - Every feeding task has its own specific requirements and framework conditions. To achieve the best results, the feeding device must therefore be precisely customized to the task. Three-Tec offers a very wide range of feeding systems, which are suitable for almost every dosing application. Our strength lies in customer-oriented dosing solutions, which are designed and produced especially for the customers purposes. This allows Three-Tec to always offer the best solution for every requirement. Our highly qualified employees therefore manufacture mostly unique pieces and small series at our site in Seon AG, Switzerland.


  • Particle size range: 0.02 to 1 mm
  • Bulk density range: 0.15 to 2 kg/dm3
  • Throughput range: 100 to 20,000 l/hr
  • Twin screw diameter: 80 mm
  • Hopper volume: up to 750 liters


  • Coating of parts in contact with the product according to customer requirements (e.g. DLC coating)
  • The standard of flange design for inlet and outlet according to customer requirements
  • For continuous gravimetric feeding “Loss-in-weight” with a differential feeding control, the feeder can be equipped with three load cells
  • Insulation for cold or hot bulk materials is available, as well as additional heating or cooling options
  • Ground and polished with surface roughness according to customer requirements
  • Connection for WIP/CIP cleaning and connecting pipes for dust-free venting


Picture 1 Caption:

Twin screw with concave shape, tray wiper as a discharge aid with exchangeable blades.

Picture 2 Caption:

Twin screw feeder for throughputs up to 40,000 kg/hr.

Picture 3 Caption:

Outlet tube vertical with sealed counter bearing support (view from the outlet side).

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