10″ Butterfly Backdraft Damper

Description

This 10-inch butterfly backdraft damper fits 10″ round duct. It has a galvanized steel collar and lightweight aluminum damper blades.

PRODUCT FEATURES:

• Spring-loaded for positive closure
• 20 gauge galvanized steel housing
• Aluminum spring loaded butterfly damper blades
• Damper seals against EDPM rubber gasket in the closed position for minimal leakage
• Gasket designed for use in temperatures from – 22°F  to 180°F
• Require from 0.04 to 0.08 inches W.G. to begin to open
• May be installed in any position
• Simple installation – entire assembly inserts into duct
• Exterior foam gaskets assure a tight seal against the interior surface of the duct