Greenheck’s line of life safety dampers continues to grow with the addition of the Model SMD-401EF smoke damper. Featuring an extruded aluminum frame and airfoil blades, Model SMD-401EF is available in sizes up to 192 inches wide by 120 inches high with a wide range of actuators in modulating or two-position operation. Model SMD-401EF is UL 555S Class I leakage certified and rated for velocities up to 3,000 fpm and pressures up to 6 in wg for both horizontal and vertical installations.

Greenheck

www.greenheck.com 

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