Opposed Blade Volume Damper 3000-0BD-54X40 T-Bar 2" ADC compliant round collar

2" ADC compliant round collar with bead for ease of installation

Blades parallel to shortest dimension

Designed for ceiling or sidewall applications

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

Standard Features * Single plaque ceiling diffuser * 360 air diffusion * Hinged-down core for easy duct access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"

Opposed Blade Volume Damper 3000-0BD-54X40 T-Bar 2" ADC compliant round collarh3. 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.