Parallel Blade Volume Damper 3000P-62X40 Commercial 1/4” Wide x 1-27/32” High

1/4” Wide x 1-27/32” High slots

Available in 4" through 24" round

Double deflection surface mount grille with adjustable airfoil blades

Negator stainless steel closure springs mounted on spring pin brackets

Hinged removable door with hinges parallel to the longest dimension

Parallel Blade Volume Damper 3000P-62X40 Commercial 1/4” Wide x 1-27/32” Highh3. 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