Parallel Blade Volume Damper 3000P-60X44 T-Bar PERFORMANCE DATA 915 Series Engineering/Performance

PERFORMANCE DATA 915 Series Engineering/Performance Data

Options 14 GA 304 SS Construction

Ceiling opening must be 4” larger in length and width than the nominal duct size

Back blades are parallel to the longest dimension

450 Series Submittal

Parallel Blade Volume Damper 3000P-60X44 T-Bar PERFORMANCE DATA 915 Series Engineering/Performanceh3. 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