Parallel Blade Volume Damper 3000P-56X52 Residential Registers & Grilles SD34 Series Performance Data

SD34 Series Performance Data

Countersunk mounting holes with color matching Philips posi-drive screws

Available in even sizes 6" to 20" and 24"

Face set in an outer T-Bar filter grille frame

Parallel Blade Volume Damper 3000P-56X52 Residential Registers & Grilles SD34 Series Performance Datah3. 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