Model 4450 Fabricated Metal Louver 4" Deep Drainable Blade

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Vent_4450 Vent_4450dim1 Vent_4450dim2

STANDARD SPECIFICATIONS

  • BLADES: 18 gauge galvanized steel, permanently riveted to frame
  • FRAME: 18 gauge galvanized steel
  • BIRDSCREEN: 19 gauge 1/2" x 1/2" galvanized steel
  • FINISH: Standard Mill.
  • MAXIMUM SINGLE SECTION: 72" x 96"
  • MINIMUM SIZE: 6" x 10"
  • NOTE: A and B are opening dimensions. Unless otherwise specified, louvers are made 1/4" undersize.

OPTIONS

  • -31 Flange
  • -34 Buck Frame (Requires flanged louver).
  • -35 Sill Extension
  • -36 All Welded Construction.
  • -40 Standard screen in removable frame.
  • -42 18 x 16 Mesh aluminum insect screen.
  • -63 Burglar Bars.
  • -81 16 Gauge Construction.
  • -86 Aluminum Construction.
  • -87 Stainless steel Construction.
  • -95 Finishing
4450performance 4450air 4450water

TEST UNIT SIZE 48" X 48" (15 Min. Duration)
Data shown does not include the effect of a 1/2" x 1/2" x 19 ga. galvanized birdscreen. Graphs are corrected to standard air density .075 lb. per cubic foot.
RECOMMENDED MAXIMUM INTAKE FREE AREA VELOCITY 1100 F.P.M.

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