Rectangular Industrial Dampers
Heavy-duty rectangular control dampers for industrial applications features that enable them to meet all high temperature, high pressure airflow modulation and shutoff applications.
NAH-720-1, NAH -721-1
Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 20 w.g."
Application
Model NAH-720-1 (Opposed Blade), NAH-721-1 (Parrallel Blaed) are heavy duty flanged frame style industrial control damper that has steel formed airfoil blades.