Motorized motor driven dampers are typically used in applications where a very tight seal is required or when the damper has to operate against air pressure such as closing off a zone.
Louvers and dampers il 31.
Our dampers meet air leakage requirements set by ashrae amca and the international energy code council iecc which encourages energy conservation efficiency in building envelope design and may also assist in obtaining.
Dampers are available in motorized and gravity operated versions.
Amca advocacy fire and life safety.
0 18 in wg at 1250 fpm and 11 213 scfm.
Weather louvers model il 31 with channel or angle frame.
Model l517 parallel airfoil control.
February 2013 il31 extruded aluminum louver 6 deep 35 42 drainable blade stationary louver water penetration.
Amca advocacy high performance air systems.
At 1000 fpm intake.
In the interest of product development louvers dampers reserves the right to make changes without notice.
Ul rated fire smoke dampers also block out heat and smoke to contain or vent harmful fumes and slow the spread of fire.