Volume Damper Low-Leak OBD 3000-0BDLL-36X10 Specialty Products Double deflection transition box mount

Double deflection transition box mount spiral pipe grille

Spiral pipe diameter must be 4” larger than the width of the grille

REVIT FILES Spiral Diffuser Radius Flush Mount Diffuser Single Deflection

212° Fusible Link

Volume Damper Low-Leak OBD 3000-0BDLL-36X10 Specialty Products Double deflection transition box mounth3. 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.