Opposed Blade Volume Damper 3000-0BD-62X40 Residential Registers & Grilles Available 4" thru 40" round

Available 4" thru 40" round

Options * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * Tamper proof screws * Standard Color

Back blades are parallel to the longest dimension

212° Fusible Link

Opposed Blade Volume Damper 3000-0BD-62X40 Residential Registers & Grilles Available 4" thru 40" roundh3. 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.