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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
Spiral pipe diameter must be 4” larger than Height of the duct opening
Hinged removable extruded aluminum face frame with signature line marks
PERFORMANCE DATA 907 Series Engineering/Performance Data
12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U
Parallel Blade Volume Damper 3000P-50X20 Accessories Spiral pipe diameter must beh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
