• All dimensions are in inches.
  • These flanges will be supplied with a 1/16" raised face unless otherwise specified.
  • Flat face option available.

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    Unit of Measure


    Nominal Pipe Size

    N/A 28

    Outside Diameter (O)

    N/A 40.75

    Thickness (T)

    N/A 3.56

    Raised Face Diameter (R)

    N/A 31.50

    Approximate Weight (lbs)

    N/A 1315

    Bolt Circle (C)

    N/A 37.00

    Number of Holes

    N/A 28

    Diameter of Holes

    N/A 1.75