Parallel Volume Damper Low Leak 3000PLL-52X50 Commercial 2" ADC compliant round collar

2" ADC compliant round collar with bead for ease of installation (square sizes only)

Lever Operated Opposed Blade Damper

Standard Features * Field installable butterfly damper * Available in sizes 6

Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system

Parallel Volume Damper Low Leak 3000PLL-52X50 Commercial 2" ADC compliant round collarh3. 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