B_0311_EN_Greenheck

Combination Fire Smoke Damper by Greenheck

March 9, 2011

Industry’s lowest pressure drop.


The Model FSD-331 combination fire smoke damper by Greenheck is three-hour rated with Class I leakage, features a high-strength airfoil-style blade, and operates with velocity ratings up to 4,000 fpm.

The steel airfoil blade combined with Greenheck’s profile frame design creates the industry’s lowest pressure drop.

Model FSD-331 is available in a vertical mount with a maximum size of 120 inches wide x 96 inches high.

For more information on the Model FSD-331 combination fire smoke damper, visit www.greenheck.com

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