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HVL Series Engineering/Performance Data
Standard Features * Individually adjustable steel curved blades * Lever operated steel multi-shutter damper * Pivoted steel blades for easy firm positioning * All component parts
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar
800-495-0125
and handle
Opposed Blade Volume Damper 3000-0BD-62X54 Smoke-Fire Damper HVL 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.
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