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

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    Unit of Measure


    Flange Type

    N/A Socket-Weld

    Nominal Pipe Size

    N/A 3 1/2

    Outside Diameter (O)

    N/A 8.50

    Thickness (T)

    N/A 0.94

    Raised Face Diameter (R)

    N/A 5.50

    Length Thru Hub (Y)

    N/A 1.25

    Hub Diameter (X)

    N/A 4.81

    Bore (B1)

    N/A 3.55

    Bore (B2)

    N/A 4.07

    Depth of Socket (D)

    N/A 0.88

    Approximate Weight (lbs)

    N/A 11

    Bolt Circle (C)

    N/A 7.00

    Number of Holes

    N/A 8

    Diameter of Holes

    N/A 0.75