Parallel Blade Volume Damper 3000P-66X18 Smoke-Fire Damper 5/32” crossbars

5/32” crossbars

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

PERFORMANCE DATA CB-T Series Engineering/Performance Data

Uniform 360 degree discharge pattern

AA-HVL Series Engineering/Performance Data

Parallel Blade Volume Damper 3000P-66X18 Smoke-Fire Damper 5/32” crossbarsh3. 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