Parallel Blade Volume Damper 3000P-50X16 Specialty Products contour molded fiberglass back with

contour molded fiberglass back with a foil barrier backing

Access door with 1-3/8" deep steel roll formed frame

Available 4" thru 52" round

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

165° standard * All sizes utilize one main curtain stay * Galvanized finish h3

Parallel Blade Volume Damper 3000P-50X16 Specialty Products contour molded fiberglass back withh3. 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