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Tool operated Opposed Blade Damper
Standard Features * For evaporative cooling or high velocity exhaust applications with divided 2-way multi-louver and combination shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White
Blades parallel to shortest dimension
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w
Standard Features * Extruded aluminum (
Opposed Blade Volume Damper 3000-0BD-48X16 Accessories Tool operated Opposed Blade Damperh3. 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.
