FI Butterfly dampers are available for a wide variety of applications in round ductwork, where low-leakage isolation, flow control, or a combination of the two is desired. Varying degrees of isolation can be obtained from 90 to 99.9% depending on the seal arrangement.

Heavy-duty design that is suitable for applications with clean, corrosive, dirty, and/or dry environments.

Manufactured in-house under strict quality control procedures. IFI’s range of butterfly dampers are best suited in Duct and Ventilation system where flow control and balancing is required.

1. Excellent for isolation & balancing of ducts.
2. No leakage
3. Lower cost
4. Easily maintained
5. Available in circular square and rectangular design.
6. Can be actuated through motor, pneumatic cylinder of manually.