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floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
Standard Features * Modular core ceiling diffuser * Modular core has galvaneal steel blades in
916 Series Submittal
Allows for 2-way airflow adjustment
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Parallel Blade Volume Damper 3000P-40X18 Commercial floors and partitions with fireh3. 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
