Parallel Volume Damper Low Leak 3000PLL-34X28 Smoke-Fire Damper Note: Sizes are Listed Nominal

Note: Sizes are Listed Nominal Duct Opening

Non-standard size collar (available in 6" through 20")

All steel galvaneal construction

Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws

Adjustable aluminum curved blades

Parallel Volume Damper Low Leak 3000PLL-34X28 Smoke-Fire Damper Note: Sizes are Listed Nominalh3. 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