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2500/2600 Installation Instructions
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
450 Series Submittal
Single deflection radius mount spiral pipe grille with adjustable blades
*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches
Opposed Blade Volume Damper 3000-0BD-52X50 Specialty Products 2500/2600 Installation Instructionsh3. 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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