Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 40" w.g.
Model: NAH-720-4
The Model NAH-720-4 is an extremely heavy duty industrial steel airfoil control damper that is rated up to 40" w.g. This damper has 3/8" galvanized steel frame and 12 gauge double skin construction airfoil blades. The NAH-720-4 can also be manufactured in all stainless steel construction.
Download Face and Bypass Details PDF
Download NAH-720-4 CAD Details DWG
