Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more.


Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 35" w.g.


The Model NAH-720-3 is a heavy duty flanged frame style industrial control damper. It is designed to control airflow and provide shutoff in hvac or industrial process control systems. This model is available in parallel or opposed blade action.