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  4. Backward-Inclined Blowers for Restaurant Exhaust - Series BI UL

Backward-Inclined Blowers for Restaurant Exhaust - Series BI UL

Backward-Inclined Blowers for Restaurant Exhaust - Series BI UL
  • Backward inclined self cleaning wheel
  • Heavy gauge all welded housing
  • Weather Cover (serves as belt guard)
  • Precision spun inlet cone
  • AMCA licensed to bear the AMCA seal
  • Adjustable inlet foot to prevent distortion on uneven surfaces
  • Drain fitting for grease removal
  • Bolted & gasketed cleanout door
  • UL 762 label
  • Shaft seal
  • Top quality bearings
  • Heavy duty welded frame
  • Adjustable motor pulley
  • Housing painted with UL recognized powder paint
  • Heavy duty motor plate


Recommended CFM 100 through 1000 CFM


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Item # Wheel Diameter Blower Specifications
10 BI 10-5/8 in 10 5/8 Inch Wheel Diameter
Outlet Area (SQ. FT.) 0.452
Tip Speed (FPM) = 2.78 x RPM
Max. BHP = 0.0283 x (RPM/1000)3
12 BI 12-1/4 in 12 1/4 Inch Wheel Diameter
Outlet Area (SQ. FT.) 0.855
Tip Speed (FPM) = 3.21 x RPM
Max. BHP = 0.079 x (RPM/1000)3
15 BI 15 in 15 Inch Wheel Diameter
Outlet Area (SQ. FT.) 1.282
Tip Speed (FPM) = 3.93 x RPM
Max. BHP = 0.217 x (RPM/1000)3
18 BI 18-1/4 in 18 1/4 Inch Wheel Diameter
Outlet Area (SQ. FT.) 1.898
Tip Speed (FPM) = 4.78 x RPM
Max. BHP = 0.580 x (RPM/1000)3
20 BI 20 in 20 Inch Wheel Diameter
Outlet Area (SQ. FT.) 2.280
Tip Speed (FPM) = 5.24 x RPM
Max. BHP = 0.910 x (RPM/1000)3
22 BI 22-1/4 in 22.25 Inch Wheel Diameter
Outlet Area (SQ. FT.) 2.821
Tip Speed (FPM) = 5.83 x RPM
Max. BHP = 1.562 x (RPM/1000)3
24 BI 24-1/2 in 24.50 Inch Wheel Diameter
Outlet Area (SQ. FT.) 3.490
Tip Speed (FPM) = 6.41 x RPM
Max. BHP = 2.420 x (RPM/1000)3
27 BI 27 in 27.00 Inch Wheel Diameter
Outlet Area (SQ. FT.) 4.260
Tip Speed (FPM) = 7.07 x RPM
Max. BHP = 3.982 x (RPM/1000)3
30 BI 30 in 30.00 Inch Wheel Diameter
Outlet Area (SQ. FT.) 5.260
Tip Speed (FPM) = 7.85 x RPM
Max. BHP = 6.743 x (RPM/1000)3
36 BI 36-1/2 in 36.50 Inch Wheel Diameter
Outlet Area (SQ. FT.) 7.785
Tip Speed (FPM) = 9.56 x RPM
Max. BHP = 17.977 x (RPM/1000)3
9 BI 9-3/16 in 9 3/16 Inch Wheel Diameter
Outlet Area (SQ. FT.) 0.33
Tip Speed (FPM) = 2.41 x RPM
Max. BHP = 0.0205 x (RPM/1000)3