Opposed Blade Volume Damper 3000-0BD-26X18 past 12 months remove the two center cones

remove the two center cones as a unit and reposition the six screws

52h * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

MRI Compatible

Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2

Opposed Blade Volume Damper 3000-0BD-26X18 past 12 months remove the two center conesh3. 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.