Parallel Blade Volume Damper 3000P-68X58 past 12 months Performance Data

Performance Data

3-hour fire resistance rating

904 Series Submittal

and 2x4 panels * Soft White

Parallel Blade Volume Damper 3000P-68X58 past 12 months Performance Datah3. 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