WM Meyer & Sons Rotary Airlock Feeder Valve 4x7" Rectangle Flange

Used Condition.  -Flange has a  corner broken off on one side.
4" x 7" Rectangle flange.  
4" x 7-1/2"" opening.
7-1/2" x 11" Flange OD.  6-Bolt.  7/16" Untapped Holes.  
1-3/8"  Shaft Dia.  2-1/2" Length.
3" Rotor Blade height.
12" Height. (Flange to flange)
13-1/4"L x 10"W motor mount plate.