Parallel Volume Damper Low Leak 3000PLL-56X24 Accessories inner dimension and outer dimension

inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color

Blades run parallel to longest dimension

AA-HVL Series Engineering/Performance Data

Standard Features * Galvaneal steel face designed for high air volume delivery * 360 air diffusion * No Labor Collar * Seismic support hangers * Available sizes: 6"

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

Parallel Volume Damper Low Leak 3000PLL-56X24 Accessories inner dimension and outer dimensionh3. 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