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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Spiral pipe diameter must be 4” larger than Height of the duct opening
and handle
Designed for ceiling or sidewall applications
Sleeve Submittal
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
Opposed Blade Volume Damper 3000-0BD-54X24 Specialty Products Spiral pipe diameter must beh3. 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.
