Opposed Blade Volume Damper 3000-0BD-32X32 Commercial Standard Features * Full size

Standard Features * Full size fixed bar blade T-Bar lay-in return air grille *

For damper free area chart B click here * 2565 - Round fire door for vertical mount only

Standard Features * 2533 - Square or rectangular for vertical mount only

1x2 T-Bar (8" x 20" duct)

Opposed Blade Volume Damper 3000-0BD-32X32 Commercial Standard Features * Full sizeh3. 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.