Opposed Blade Volume Damper 3000-0BD-50X48 Smoke-Fire Damper 2" ADC compliant round collar

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

14" * Soft White Options * Field installable Bowtie Damper (BD) * TVB - Thermal Vapor Blanket * HVD - Hinge Down Face

055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White

Standard Features * Fixed blade return air T-Bar lay-in filter grille * Square collar for 20 1/2" x 20 1/2" duct * Hinged removable face * 20" x 20" x 1" filter (not included) * Seismic support holes * Soft White Options * 920 TFG - steel outer frame * 920 2 TFG - 2" filter spacing (filter not included) * No Labor Collar - square to round (2x2 only) * 1x2 (20x8 filter) or 2x4 (20x44 filter) * Satin Anodized Finish available on this product

* 3100 Series - Face and By-Pass dampers * Sleeve variations * 12 gauge galvaneal construction * Flat head and sill frame construction * Extended square operating shaft (extending 7-1/2" beyond the air control frame) * Round operating shaft (1/2" diameter) * Oil impregnated bronze bushings * Spring closed or spring open dampers * Outside mounting flange * Direct mount damper motors * Fractional and odd sizes available

Opposed Blade Volume Damper 3000-0BD-50X48 Smoke-Fire Damper 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.