Volume Damper Low-Leak OBD 3000-0BDLL-50X48 Accessories 2" thin-line roll formed out-of-airstream

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

945 Series Submittal

Adjustable baffle controllers to direct airflow horizontally or vertically

425 Series Submittal

Volume Damper Low-Leak OBD 3000-0BDLL-50X48 Accessories 2" thin-line roll formed out-of-airstreamh3. 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.