Opposed Blade Volume Damper 3000-0BD-72X34 Smoke-Fire Damper All steel parts with galvanized

All steel parts with galvanized finish or zinc coating

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"

Standard Features * Stamped 22 gauge steel curved blade T-Bar lay-in supply diffuser * Field adjustable * Five air patterns: 101 - one way

1” rim size (2” larger than nominal duct size / order size)

Designer Color or Satin Anodized Finish available on this product Drawings * CB10 * CB20 * CB30 * CB40

Opposed Blade Volume Damper 3000-0BD-72X34 Smoke-Fire Damper All steel parts with galvanizedh3. 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.