Mac Equipment Rotary Airlock Feeder Valve 8x12" Round Flange

In Good Working Condition.  Removed From a Working Environment.
8"x 8" Round Flange with 12" Adapter on One End.
10" Rotor Dia.
3.5" Blade Height.
1-3/4" Shaft Dia.
28" Overall Length.
Steel Flanges and Steel Rotor.