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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Options * Sleeve variations h3
AA-HVL Series Engineering/Performance Data
2" ADC compliant round collar with bead for ease of installation (square sizes only)
4-way reversible door on square sizes
Square collar designed for 22" x 22" duct
Volume Damper Low-Leak OBD 3000-0BDLL-56X52 Specialty Products Options * Sleeve variations h3h3. 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.
