Greenheck's DFD-310 Fire Damper: Reliable Fire Protection for HVAC Systems.
Perform takeoffs in minutes, not hours!
Try for FreeThe DFD-310 is a dynamic 3-hour rated fire damper designed for use in HVAC systems. It features a 2³/₁₆ inch narrowline frame and is UL listed for up to 4 in. wg pressure, 4000 fpm velocity, and 286°F temperature.
This damper complies with the National Fire Protection Association (NFPA 90A, 92, 101, and 105) and the International Building Code (IBC). It is UL classified for 3 hours and carries the AMCA 500-D damper label.
The DFD-310 is ideal for use in a variety of applications, including schools, hospitals, and office buildings.
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