Inline Centrifugal fan
 

Brotherhood's Belt or Direct Drive Duct Fans, Model DFS, provide the industry's best performance and durability.

Model DFS is carefully engineered for efficiency and reliability in supply, exhausts, and returns air applications.

The DFS is designed specifically for low sound levels in ducted applications.

Performance ranges from 400 to 17, 000 CFM (680 to 28, 883 m3/h)
With static pressure up to 3.0 in. WG (745 Pa).

Available in seven sizes ranging from 80 to 200 inches(300-1000mm fan diameter).
Rugged drive frame configuration.
Vibration isolation, assures long life and quiet operation.
Brotherhood subjects these products to extensive life testing, assuring the fans will provide many years of reliable performance.

Specification:
Duct mounted supply, exhaust, or return air fans shall be of the centrifugal, belt driven, inline type.

The fan housing shall be of the rectangular design and constructed of heavy gauge galvanized steel, and shall include rectangular duct mounting collars on the inlet and outlet