Opposed Blade Volume Damper 3000-0BD-62X44 past 12 months Countersunk mounting holes for flush

Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws

Curved saddle with gasket provides airtight fit to spiral pipe

inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color

Options * Sleeve variations h3

Opposed Blade Volume Damper 3000-0BD-62X44 past 12 months Countersunk mounting holes for flushh3. 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.