Parallel Blade Volume Damper 3000P-50X32 Specialty Products Louvers designed with rolled rib

Louvers designed with rolled rib for maximum strength and rigidity

904 Series Performance Data

080") Aluminum Construction 1/8" GA (

For damper free area chart A click here * 2663 - Out-of-Airstream fire door

Parallel Blade Volume Damper 3000P-50X32 Specialty Products Louvers designed with rolled ribh3. 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