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RS34 Series Engineering/Performance Data
inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color
120x120 multiple
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system
Volume Damper Low-Leak OBD 3000-0BDLL-58X50 Accessories RS34 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.
