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2" ADC compliant round collar with bead for ease of installation (square sizes only)
Opposed Blade Damper standard on 4" widths
Dampers above 80 square inches free area will be provided with blade insulation
945 Series Submittal
Ideal for residential and light commercial application
Parallel Blade Volume Damper 3000P-54X30 Smoke-Fire Damper 2" ADC compliant round collarh3. 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
