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4-inch Steel Flange Rings for Duct Systems

4-inch Steel Flange Rings (pair)

SKU: EG.204F
$74.00Price
Ecogate gates have standard flanged ends built on and therefore are compatible with standard flange rings. This makes installation of gates to the duct system easier. (Flanges come in pairs).
Quantity

  • Industry standard angle flange rings are budget-friendly and compatible with most traditional duct systems. Flanges are sold in pairs (screws are not included).

  • Material: Mild carbon steel (not treated)

     

    Ring Size Inner Diameter Bolt Holes Hole Sizes Bolt Circle Weight (lbs)
    4 4-1/16 6 9/32 4-5/16 0.85
    5 5-1/16 6 9/32 5-5/16 1.2
    6 6-1/16 6 9/32 6-5/16 1.75
    7 7-1/8 6 3/8 8-1/2 2
    8 8-1/8 6 3/8 9-9/16 2.25
    9 9-1/8 6 3/8 10-5/8 2.5
    10 10-1/8 6 3/8 11-13/16 2.75
    12 12-3/16 8 7/16 14 4
    14 14-3/16 8 7/16 16 4.75
    16 16-3/16 8 7/16 18 8
    18 18-3/16 8 7/16 20 8.5
    20 20-3/16 12 7/16 21-3/4 9.5
    22 22-3/16 12 7/16 23-3/4 10.75

     

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