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American ALDES BDD - 4 inches to 16 inches Spring Loaded.
features
• 20 gauge galvanized steel housing
• Aluminum spring loaded butterfly damper blades
• Damper seals against EDPM rubber gasket in 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. (14" and 16" models require adjusting spring tension if used in vertical position, with airflow down)
• Simple installation - entire assembly inserts into duct
• Exterior foam gaskets assure a tight seal against interior surface of duct
BROCHURE
SPECS & TECHNICAL DATA
american aldes ventilation corporation
4521 19th street court E., Ste 104 bradenton
florida 34203 - toll free: 1.800.255.7749
direct: 1.941.351.3441 fax: 1.941.351.3442
