Model 7252 Fabricated Metal Penthouses

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Vent_7200 Vent_7252diim1 Vent_7252diim2

STANDARD SPECIFICATIONS

  • FRAME: 1 1/2" x 1 1/2" x 1/8" galvanized steel structural angles.
  • BLADES: 18 ga. galvanized steel.
  • ROOF: Removable 18 ga. galvanized steel, press formed and screwed to frame.
  • INSULATION: 1/2" fiberglass on underside of roof.
  • BIRDSCREEN: 19 ga. galvanized steel, 1/2" mesh.
  • CONSTRUCTION: Box corner-18 ga. galvanized steel press formed.
  • FINISH: Standard Mill.

OPTIONS

  • -36 All Welded Construction.
  • -40 Standard Screen in Removable Frame.
  • -42 18 x 16 Mesh Aluminum Insect Screen.
  • -47 1/2" x 1/2" x 19 Gauge P.V.C. Coated Birdscreen
  • -81 16 Gauge Construction.
  • -86 Aluminum Construction.
  • -88 Paint Grip Material Construction.
  • -95 Finishing.

NOTES

  1. A and B are opening dimensions. Unless otherwise specified, penthouses are made 1/2" undersize.
  2. Refer to form #4252 for louver construction.
  3. Refer to catalog #8000 for roof curb information.
  4. Large units, depending on freight requirements, are shipped knocked down in multiple sections for field assembly.
7252performance 7252air 7252freearea

Data shown includes the effect of .051 x 3/4” diamond pattern aluminum birdscreen. Graphs are corrected to standard air density .075 lb. per cubic ft.
RECOMMENDED MAXIMUM INTAKE FREE AREA VELOCITY 950 F.P.M.

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