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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Options Recessed screwdriver operated Opposed Blade Damper
For damper free area chart A click here * 2563 - Out-of-Airstream fire door
2550 Series Engineering/Performance Data
Fractional Sizes
Concealed mounting holes
Parallel Blade Volume Damper 3000P-70X18 T-Bar Options Recessed screwdriver operated Opposedh3. 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
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