• All dimensions are in inches.
  • These flanges will be supplied with a 1/16" raised face unless otherwise specified.
  • Flat face option available.
  • Dimensions are supportive from industry terminology and are a non-committee specification.
  • These flanges are not covered by ASME B16.47 or MSS-SP44 specifications.
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Item #

Nominal Pipe Size

Outside Diameter (O)

Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Hub Diameter (X)

Minimum Fillet Radius (r)

Bore (B)

Approximate Weight (lbs)

Bolt Circle (C)

Number of Holes

Diameter of Holes

26300SOSA N/A 26 N/A 38.25 N/A 3.12 N/A 29.50 N/A 5.37 N/A 30.25 N/A 0.38 N/A 26.25 N/A 595 N/A 34.50 N/A 28 N/A 1.75
28300SOSA N/A 28 N/A 40.75 N/A 3.38 N/A 31.50 N/A 5.68 N/A 32.75 N/A 0.44 N/A 28.25 N/A 729 N/A 37.00 N/A 28 N/A 1.75
30300SOSA N/A 30 N/A 43.00 N/A 3.62 N/A 33.75 N/A 6.12 N/A 34.75 N/A 0.44 N/A 30.25 N/A 840 N/A 39.25 N/A 28 N/A 1.88
32300SOSA N/A 32 N/A 45.25 N/A 3.88 N/A 36.00 N/A 6.56 N/A 36.75 N/A 0.44 N/A 32.25 N/A 964 N/A 41.50 N/A 28 N/A 2.00
34300SOSA N/A 34 N/A 47.50 N/A 4.00 N/A 38.00 N/A 6.81 N/A 38.75 N/A 0.50 N/A 34.25 N/A 1076 N/A 43.50 N/A 28 N/A 2.00
36300SOSA N/A 36 N/A 50.00 N/A 4.12 N/A 40.25 N/A 7.06 N/A 41.00 N/A 0.50 N/A 36.25 N/A 1202 N/A 46.00 N/A 32 N/A 2.12
38300SOSA N/A 38 N/A 46.00 N/A 5.31 N/A 40.50 N/A 6.06 N/A 39.00 N/A 0.50 N/A 38.25 N/A 687 N/A 43.00 N/A 32 N/A 1.62
40300SOSA N/A 40 N/A 48.75 N/A 5.56 N/A 42.75 N/A 6.56 N/A 41.25 N/A 0.50 N/A 40.25 N/A 840 N/A 45.50 N/A 32 N/A 1.75
42300SOSA N/A 42 N/A 50.75 N/A 5.81 N/A 44.75 N/A 6.81 N/A 43.25 N/A 0.50 N/A 42.25 N/A 922 N/A 47.50 N/A 32 N/A 1.75
44300SOSA N/A 44 N/A 53.25 N/A 6.06 N/A 47.00 N/A 6.86 N/A 45.25 N/A 0.50 N/A 44.25 N/A 1055 N/A 49.75 N/A 32 N/A 1.88
46300SOSA N/A 46 N/A 55.75 N/A 6.31 N/A 49.00 N/A 7.06 N/A 47.25 N/A 0.50 N/A 46.25 N/A 1205 N/A 52.00 N/A 28 N/A 2.00
48300SOSA N/A 48 N/A 57.75 N/A 6.56 N/A 51.25 N/A 7.18 N/A 49.25 N/A 0.50 N/A 48.25 N/A 1306 N/A 54.00 N/A 32 N/A 2.00
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