Parallel Blade Volume Damper 3000P-46X42 Commercial Single deflection radius mount spiral

Single deflection radius mount spiral pipe grille with adjustable blades

Standard Features * 2649 - Round damper for vertical mount only

12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U

Maintains horizontal airflow pattern

Parallel Blade Volume Damper 3000P-46X42 Commercial Single deflection radius mount spiralh3. 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