Volume Damper Low-Leak OBD 3000-0BDLL-52X18 Residential Registers & Grilles Front blades are parallel to

Front blades are parallel to the shortest dimension

Damper manufactured from corrosion tested galvanized mild steel (G-90)

Heavy gauge cold roll steel

FGAD Series Submittal

Volume Damper Low-Leak OBD 3000-0BDLL-52X18 Residential Registers & Grilles Front blades are parallel toh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.