Parallel Volume Damper Low Leak 3000PLL-60X28 Smoke-Fire Damper 1550 Series Submittal

1550 Series Submittal

PERFORMANCE DATA 907 Series Engineering/Performance Data

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Blade lock to secure blades once the product is activated

Parallel Volume Damper Low Leak 3000PLL-60X28 Smoke-Fire Damper 1550 Series Submittalh3. 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