Pay in 4 interest-free payments of $141.75 Learn more
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
For ceiling or sidewall applications
floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
linkage and handle enclosed in valve to assure trouble-free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * SCB41 - 4-way air pattern * SCB31 - 3-way air pattern * SCB41 O or SCB31 O - steel lever operated opposed blade damper * SCB42 or SCB32 - no damper * Tamper proof screws * Standard Color
Round ceiling radiation butterfly damper
Volume Damper Low-Leak OBD 3000-0BDLL-28X22 Smoke-Fire Damper For ceiling or sidewall applicationsh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
US$ 169.86
US$ 419.29
US$ 290.02
US$ 1109.12
US$ 24.14
US$ 18.62
US$ 24.00
US$ 632.70
US$ 175.12
US$ 451.73
US$ 431.30
US$ 367.84
