Round In-Duct Mount
VC-9
Volume Control Balancing Damper, Single Thickness Blades, Galvanized Steel Construction, 1" wg Max Pressure, 1500 fpm Max Velocity, 150° F Max Temperature
VC-22
Volume Control Damper, Single Thickness Blades, Galvanized Steel Construction, Channel Frame, 2" wg Max Pressure, 3000 fpm Max Velocity, 180° F Max Temperature without Seals, 150° F Max Temperature with Seals, 6" thru 18" Max Diameter
VC-23
Volume Control Damper or Shut-off Usage, Single Thickness Blades, Galvanized Steel Construction, Channel Frame, 2" wg Max Pressure, 3000 fpm Max Velocity, 180° F Max Temperature without Seals, 150°F / 450°F Max Temperature with Seals, 12" thru 28" Max Diameter
VC-24
Volume Control Damper, Single Thickness Blades, Galvanized Steel Construction, Channel Frame, 2" wg Max Pressure, 3000 fpm Max Velocity, 180° F Max Temperature without Seals, 150° F Max Temperature with Seals, 24" thru 50" Max Diameter
VC-25
Volume Control Damper, Double Thickness Blades, Galvanized Steel Construction, Sleeve Frame, 6" wg Max Pressure, 3000 fpm Max Velocity, 150° F Max Temperature, 4" thru 24" Max Diameter
DBVC-56
Heavy Duty Volume Control Damper, Single Thickness Blades, Galvanized Steel Construction, Channel Frame, 30" wg Max Pressure, 6400 fpm Max Velocity, 1600° F Max Temperature, 12" thru 72" Max Diameter