Volume Damper Low-Leak OBD 3000-0BDLL-28X14 Step Down Ceiling Diffuser Field installable bowtie damper with

Field installable bowtie damper with round ring

CB Series 6X6 REVIT Files

Countersunk mounting holes for flush appearance with stainless sheet metal screws

Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White

SUBMITTALS

Volume Damper Low-Leak OBD 3000-0BDLL-28X14 Step Down Ceiling Diffuser Field installable bowtie damper withh3. 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.