Volume Damper Low-Leak OBD 3000-0BDLL-42X34 Smoke-Fire Damper REVIT FILES Spiral Diffuser Radius

REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection

PERFORMANCE DATA 600TFG Series Engineering/Performance Data

One-piece removable slide damper for off-season closure

11/32” Wide x 1-27/32” High slots

TVB - Thermal Vapor Blanket

Volume Damper Low-Leak OBD 3000-0BDLL-42X34 Smoke-Fire Damper REVIT FILES Spiral Diffuser Radiush3. 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.