Greenheck’s line of life safety dampers has been expanded with the addition of Model SMD- 401EF smoke damper. With an extruded aluminum frame and airfoil blades, it 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. It 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.
For more information about Greenheck products, visit www.greenheck.com