Kice Rotary Airlock Valve. Model: F1090. S/N: 18115. Size: 10 in.x 8 in. x 8 in. Displacement: 0.33 cu. ft./rev. Valve rotors are precision machined to match their bodies, with standard clearances of .004 +/- .001 . Drop-thru inboard bearing model with cast gray iron body and end plates. A popular choice for standard applications. Inlets/outlets: (2) 8 in. L x 8 in. wide infeed/exit ports each with 11 in. L x 11 in. W flanges and (8) 3/8 in. dia. thru-holes. Overall dimensions: 18 in. L x 13 in. W x 13-1/2 in. H. (GD)