• Product Category
  • Louver
  • Application
  • Combination
  • Frame Material
  • Extruded Aluminum
  • Frame Thickness
  • 0.081
  • Actuator Location
  • In Airstream
  • Blade Material
  • Extruded Aluminum
  • Blade Thickness
  • 0.072
  • Blade Type
  • Drainable
  • Blade Orientation
  • Parallel
  • Blade Angle
  • 35
  • Linkage Location
  • Internal
  • Frame Depth
  • 4"
  • Free Area %
  • 45.44
  • Control Type
  • Motorized or Manual
  • Intake Exhaust
  • Both
  • Max Velocity FPM
  • 800
  • Rectangular Square Shape
  • Yes
  • Round Shape
  • No
  • Triangular Shape
  • No
  • Options
  • - 31
  • Flange
  • - 45
  • 1/2" x 1/2" x .063 Aluminum Screen (Removable)
  • - 40
  • Standard Screen in Removable Frame
  • - 42
  • 18 x 16 Mesh Aluminum Insect Screen (Removable)
  • - 43
  • 18 x 16 Mesh Bronze Insect Screen (Removable)
  • - 44
  • 1/2" x 1/2" x 16 Gauge S.S. Screen (Removable)
  • - 47
  • 1/2" x 1/2" x 19 Gauge PV C Coated Birdscreen
  • - 34
  • Buck Frame (Requires Flanged Louver)
  • - 35
  • Sill Extension (Min. List $40.00)
  • - 89
  • Sleeve up to 16" deep , .18 ga galv. , Specify depth in comments (Min. list $70)
  • - 92
  • Jackshaft
  • - 92
  • Operator

 

 

THE BEGINNING OF WATER PENETRATION IS 880 F.P.M. 
It is possible for moisture to penetrate louvers under adverse atmospheric conditions. For critical applications, drained ductwork or other means of drainage is recommended. Data shown does not include the effect of the birdscreen. Graphs are corrected to standard air density .075 lb. per cubic foot. 
TEST UNIT SIZE 48” X 48”  
RECOMMENDED MAXIMUM INTAKE FREE AREA VELOCITY 800 F.P.M.