• All dimensions are in inches.
  • 1/4" raised face will be added to the thickness and overall length unless otherwise specified.
  • 38" thru 60" sizes are the same as Series "A".
  • Flat face option available.

  • Print PDF
    Unit of Measure


    Flange Type

    N/A Welding Neck

    Nominal Pipe Size

    N/A 28

    Outside Diameter (O)

    N/A 37.50

    Minimum Thickness (T)

    N/A 4.56

    Raised Face Diameter (R)

    N/A 30.88

    Length Thru Hub (Y)

    N/A 7.50

    Hub Diameter (X)

    N/A 29.62

    Minimum Fillet Radius (r)

    N/A 0.50

    Top of Hub (A)

    N/A 28.00

    Bore (B)

    N/A Specified by purchaser

    Approximate Weight (lbs)

    N/A 650

    Bolt Circle (C)

    N/A 34.00

    Number of Holes

    N/A 28

    Diameter of Holes

    N/A 1.88