Opposed Blade Volume Damper 3000-0BD-30X12 Specialty Products Options Recessed screwdriver operated Opposed

Options Recessed screwdriver operated Opposed Blade Damper

945 Series Engineering/Performance Data

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 6" Duct Opening   (front blades parallel to shortest dimension)

Field installable bowtie damper with round ring

Opposed Blade Volume Damper 3000-0BD-30X12 Specialty Products Options Recessed screwdriver operated Opposedh3. 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.