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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension
For damper free area chart B click here * 2565 - Round fire door for vertical mount only
Opposed Blade Damper standard on 4" widths
Countersunk mounting holes for flush appearance with stainless sheet metal screws
Performance Data With Opposed Blade Damper
Opposed Blade Volume Damper 3000-0BD-44X34 T-Bar Standard Features Double deflection surfaceh3. 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.
