Parallel Blade Volume Damper 3000P-28X28 Accessories 2" thin-line roll formed out-of-airstream

2" thin-line roll formed out-of-airstream frame

Extruded aluminum frame with signature line marks

945 Series Submittal

60% free area * Soft White Options * Countersunk screwholes with matching Phillips #8 x 1-1/2" oval Screws * 10 or 12 gauge steel * Tamper proof screws

Parallel Blade Volume Damper 3000P-28X28 Accessories 2" thin-line roll formed out-of-airstreamh3. 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