Continental Fan BDD150 6" Spring Loaded Backdraft Dampers
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Continental Fan BDD150 6" Spring Loaded Backdraft Dampers
BDD backdraft dampers are available in the spring-loaded and gravity style backdraft dampers. The spring loaded dampers are available in 4", 5", 6", & 8"models with a center pin design and a 10" & 12" center post design. Features: Neoprene damper seal minimizes leakage. 20 gauge steel housing, aluminum spring loaded butterfly damper blades. Gasket designed to withstand temperatures from -22 F to 180 F. Requires from 0.04 to 0.08 in. wg pressure to open. Simple installation in any position - entire assembly inserts into duct. Exterior foam gasket assures a tight seal against duct. Includes stamped metal sleeve with center pin design. Specifications: Size: 6".