Parallel Volume Damper Low Leak 3000PLL-70X56 Step Down Ceiling Diffuser Designed to handle high volumes

Designed to handle high volumes of air with horizontal flow

14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U

Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less

HVL Series Submittal

2x4 T-Bar (22" x 46" duct)

Parallel Volume Damper Low Leak 3000PLL-70X56 Step Down Ceiling Diffuser Designed to handle high volumesh3. 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