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850 Series Engineering/Performance Data
Round Bowtie Damper
032 Aluminum construction * Tamper proof screws * Standard Color
Standard Features * Adjustable curved blade
Volume Damper Low-Leak OBD 3000-0BDLL-30X28 Step Down Ceiling Diffuser 850 Series Engineering/Performance Datah3. 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.
US$ 159.99
US$ 87.88
US$ 13.15
