Parallel Volume Damper Low Leak 3000PLL-40X18 T-Bar Hinged removable extruded aluminum face

Hinged removable extruded aluminum face frame with signature line marks

Building materials rated 2 hours or less

* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w

Designed to minimize vision into the air duct

HVL Series Submittal

Parallel Volume Damper Low Leak 3000PLL-40X18 T-Bar Hinged removable extruded aluminum faceh3. 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