Screw feeder is designed for bulk solids conveying or dosing of powder or pellets into batch weighing station.

Features:

1. Gear motor driven by frequency inverter, bearing support in two ends, shaft sealing by air purging system. 

2. Pneumatic pad installed in product inlet for discharge aid of bad flowing bulk materials. 

3. Product distributing and lump breaking device are beneficial to high accuracy dosing. 

4. Screw with  different pitch suitable for bad flowing bulk materials.