R2B2 Size 10 Maximum RPM for Arrangements 1 and 9 = 3600 • Tip speed = RPM x 4.58 • Wheel Dia. = 17-1/2" • Inlet and Outlet Area = 0.545 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
