The BC fan line has four designs to choose from:

• BC-15: for applications to 15"WG, wheel diameter 24" to 73"
• BC-20: for applications to 21"WG, wheel diameter 24" to 89"
• BC-30: for applications to 31"WG, wheel diameter 24" to 89"
• BC-40: for applications to 40"WG, wheel diameter 24" to 89"

Some other design features are direct-drive models to 50"WG, capacities to 300,000 CFM, operating temperatures to 750°F, and BC fans are available in arrangements 1, 4, 8 and 9. Backward curved wheels have mechanical efficencies to 85%. The fans are also available in clockwise and counterclockwise rotations in any of seven standard discharge positions.

Design Features:

• BC-20 Volume - to 260,000 CFM (441,700 m³/hr)
• BC-20 Pressures - to 21"WG (5,230 Pa)
• BC-40 Volume - to 300,000 CFM (509,700 m³/hr)
• BC-40 Pressures - to 40" WG (9,950 Pa)