Tamco Dampers
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TAMCO Install Types

Install Types for aluminum control dampers.

Flanged to Duct
1" flange frame

Flanged to Duct Series 7600 and 7600 CW

MINIMUM SECTION SIZE:
4½”w x 4¾”h (115 mm x 121 mm)


MAXIMUM SECTION SIZE:
25 pi² (2,3 m²)
60 po L x 60 po H (1524 mm x 1524 mm)
48 po L x 75 po H (1220 mm x 1905 mm)

  • Heavy-duty backdraft damper is manufactured with 1” (25.4 mm) flanged frames around the entire face and rear perimeters of the damper, allowing the duct to be directly fastened to it.
  • Flanged to Duct Install Type heavy-duty backdraft dampers provide greater free area and lower pressure drop, because the damper frame is mounted outside the duct perimeter.
  • Finished inside frame dimensions of the heavy-duty backdraft damper will be identical to the opening width & height dimensions.
  • Finished outside frame dimensions will be 2” (50.8 mm) larger than the opening width & height dimensions.
  • Linkage extends up to 1.31" (33.3 mm) beyond the outer edge of the frame for single-section wide dampers.
  • Always provide opening width and height dimensions, when ordering. Width dimension is always parallel to blades. Height dimension is always perpendicular to blades.

TAMCO Heavy-Duty Backdraft Damper Installation Guidelines