Parallel Volume Damper Low Leak 3000PLL-52X44 Smoke-Fire Damper For damper free area chart

For damper free area chart A click here * 2663 - Out-of-Airstream fire door

1/4” Wide x 1-27/32” High slots

Delivers supply air in a 360°air pattern

Please Contact Us For Quantity Pricing

Parallel Volume Damper Low Leak 3000PLL-52X44 Smoke-Fire Damper For damper free area charth3. 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