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Low profile design for tight mechanical areas
parallel to longest dimension
Blades are parallel to the longest dimension
2" ADC compliant round collar with bead for ease of installation
Air Patterns
Parallel Volume Damper Low Leak 3000PLL-70X60 Smoke-Fire Damper Low profile design for tighth3. 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
