Opposed Blade Volume Damper 3000-0BD-56X22 Specialty Products 425 Series Engineering/Performance Data

425 Series Engineering/Performance Data

REVIT FILES T-Bar Modular Core Diffuser with Round Collar 16

AA-HVL Series Engineering/Performance Data

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Opposed Blade Volume Damper 3000-0BD-56X22 Specialty Products 425 Series Engineering/Performance Datah3. 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.