Parallel Volume Damper Low Leak 3000PLL-36X22 Smoke-Fire Damper Modern step-down design with 4-way

Modern step-down design with 4-way air diffusion

950 Series Engineering/Performance Data

w/ Screwdriver Operated Opposed Blade Damper

3-way register with stiffened 1/2" fan shaped louvers for silent operation

450 Series Submittal

Parallel Volume Damper Low Leak 3000PLL-36X22 Smoke-Fire Damper Modern step-down design with 4-wayh3. 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