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Manufacturer: American Warming and Ventilating
9" Tunnel Transit Damper
Damper Depth9 1/2"
DescriptionExtruded Aluminum Airfoil Tunnel Damper, 250 C/1 HR, Thermal Shock Construction, 6,000,000 Transient Pressure Reversals
Max Face Velocity4000 FPM
Max Pressure21 in. wg
Max Temperature482 F
Min Size6" x 8"
Max Size48" x 102"
Frame Material3/16" Thk. 6063 T5 Extruded Aluminum
Blade Material100 6063 T5 Extruded Aluminum Airfoil, 9 1/4" Max Width
Axles3/4" Dia. Plated Steel or Stainless Steel, Stub
BearingsOil Impregnated Bronze
LinkagePlated or Stainless Steel Bars and Arms w/ Stainless Steel Pins and OIB Bearings
ActuatorElectric or Pneumatic Options Are Available
SealsSilicone On Blade Edges w/ Stainless Steel Compression At Jambs Is Standard (upon request, see seal options)