Twin-screw feeder for powders and micro-granules
In industrial processes, handling and feeding poorly flowing, baking, and bridging products can be a significant challenge. These products, such as powders or micro-granules, often cause blockages or irregular flow, affecting overall process efficiency and productivity.

Accurate feeding of challenging materials
The ZD 12 B from Three-Tec is a volumetric twin-screw feeder designed to tackle the difficulties of handling poorly flowing, baking, and bridging products. It comes equipped with a discharge aid and bridge breaker to ensure smooth material flow. Users can choose between a horizontal or vertical discharge pipe to fit their specific setup. This feeder’s versatility is enhanced by options for both AC three-phase or servo motors, allowing throughput from 0.1 to 57 l/h. Its compact design, with a weight of approximately 20 kg, includes intervention protection to ensure safe operation. The dosing hopper can hold up to 8.5 liters, making it suitable for various batch sizes.
Benefits
- Ensures smooth flow of challenging materials
- Customizable discharge options
- Allows for precise throughput control
- Available with multiple motor options
- Compact and safe design