Parallel Blade Volume Damper 3000P-58X14 Smoke-Fire Damper Check out the All About

Check out the All About Spirals page

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * Tamper proof screws * Standard Color

* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount

Surface mount fixed blade grille with airfoil blades at 0°

For damper free area chart B click here * 2665 - Round fire door for vertical mount only

Parallel Blade Volume Damper 3000P-58X14 Smoke-Fire Damper Check out the All Abouth3. 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