Parallel Volume Damper Low Leak 3000PLL-70X60 Smoke-Fire Damper Air Patterns

Air Patterns

Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various opening pressures

2" ADC compliant round collar with bead for ease of installation

round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U

Parallel Volume Damper Low Leak 3000PLL-70X60 Smoke-Fire Damper Air Patternsh3. 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