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1600 Series Engineering/Performance Data
To adjust diffuser
Access door with 1-3/8" deep steel roll formed frame
Allows for 2-way airflow adjustment
Installation Ring only
Volume Damper Low-Leak OBD 3000-0BDLL-40X12 Commercial 1600 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.
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