This rotary valve is in great working condition.
It was used for feeding powder. It has a bag next to the inlet to catch the dust generated.

Make: Buhler Miag
Model: OKFO-28/30
Year: 1987
Made in Germany

SPECS
Inlet: 150mm
Outlet: 100mm

Voltage: 415V 3 Phase
Motor: 1.1kW

Overall Dimensions (mm): 1050 x 950 x 2750 H