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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Recommended Minimum Sleeve Thickness for Fire Dampers
Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments
3/4" round collar
212° Fusible Link
Opposed Blade Volume Damper 3000-0BD-56X18 Residential Registers & Grilles Recommended Minimum Sleeve Thickness forh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
