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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product
Available in 4" through 24" round
Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system
Standard Features * Converts T-bar products to surface mount * Sizes available: 1x2
1550 Series Engineering/Performance Data
Opposed Blade Volume Damper 3000-0BD-54X30 Smoke-Fire Damper Standard Features * Lightweight Aluminumh3. 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.
