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Greenheck Model SMD-401EF Aluminum Smoke Damper

March 30, 2017
The Model SMD-401EF smoke damper comes in sizes up to 192 in. wide by 120 in. high with a wide range of actuators in modulating or two-position operation.
Hpac Com Sites Hpac com Files Uploads 2017 03 13 Greenheck Smd 401 Ef Smoke Damper Web

Featuring an extruded aluminum frame and airfoil blades, the Model SMD-401EF smoke damper is available in sizes up to 192 in. wide by 120 in. 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