R2B2 Size 6
Maximum RPM for Arrangements 1 and 9 = 5450 • Tip Speed = RPM x 2.749 • Wheel Dia. = 10-1/2" • Inlet and Outlet Area = 0.193 Sq. Ft.

All capacities based on Standard Air (Density .075 #/cu. ft. — 70°F —29.92" Hg. Bar). Performance shown is for R2B2 exhaust fans for installation type B-free inlet, ducted outlet.
Power rating (BHP) does not include drive losses. Performance ratings do not include the effects of appurtenances in the airstream.
Note: Dash (-) = Exceeds Maximum RPM; Asterisk (*) = Unstable Operating Range