Volume Damper Low-Leak OBD 3000-0BDLL-58X40 T-Bar PERFORMANCE DATA 915 Series Engineering/Performance

PERFORMANCE DATA 915 Series Engineering/Performance Data

Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper

Submittals and Performance Data

Free area equals more than 75% of nominal size

SUBMITTALS

Volume Damper Low-Leak OBD 3000-0BDLL-58X40 T-Bar PERFORMANCE DATA 915 Series Engineering/Performanceh3. 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.