Parallel Blade Volume Damper 3000P-68X54 Accessories Front blades are parallel to

Front blades are parallel to the shortest dimension

PERFORMANCE DATA

Standard Features * Extruded aluminum (

1550 Series Submittal

For damper free area chart A click here * 2563 - Out-of-Airstream fire door

Parallel Blade Volume Damper 3000P-68X54 Accessories Front blades are parallel toh3. 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