Air Balance Balancing Dampers Are Used For Flexible Duct Or Spiral Pipe Applications.
Air Balance Balancing Dampers are made with nylon bearings and galvanized steel frame and blade for lasting durability. Dampers may be mounted horizontally or vertically. Blade will extend into airstream in most cases. Maximum face velocity is 1500 FPM. Round Dampers measure 4-1/2" deep, while Rectangular Dampers and Square Dampers measure 3-1/2" deep.