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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
PERFORMANCE DATA CB-T Series Engineering/Performance Data
Fractional Sizes
* 3 hour rated * UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3
Volume Damper Low-Leak OBD 3000-0BDLL-22X22 past 12 months *Note: Ceramic fiber blade insulationh3. 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.
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