Daniels Fans manufactures standard industrial backward curved bladed fans in both direct drive and belt drive. The BC backward curved blowers are an excellent choice for efficient delivery of high air volumes. These fans are available in Aluminum and Stainless Steel construction. Fans available in AMCA B and C spark resistant construction. For AMCA A construction please consult the factory.

Performance Range

Volume – Up to 180,000 CFM / 305,000 m3/h
Static Pressure – Up to 36″ @ 70°F / 915mm @ 20°C
Maximum Temperature – 750°F / 400°C
For fans less than 36″/900mm or less than 50,000 CFM/85,0000 m3h, see Cincinnati Fan model HDBC.


Type – Centrifugal Backward Curved Blades
Diameters – 40 to 60 inches / 1016 to 1524mm
Belt Drive Arrangement 9CB available up to 250 HP. HP above 250 Consult Factory.
Direct Drive Arrangement 8 available up to 600 HP.
Direct Drive Arrangement 4 Consult Factory.

Typical Applications

General Ventilation
Dust Collection
Combustion Air
Oven and Drying Systems
For Industrial Backward Curved Fans 36” and under, please see the Cincinnati Fan and Ventilation HDBI Series product offering.

Features and Benefits
Industrial Fans Features & Benefits
See the Daniels Fans difference.
Product Arrangements
4 standard arrangements available.
Product Options
Industrial Fans Options
Standard accessories that don’t increase delivery schedules.
Maintenance Manual
Maintenance Manual
PDF format