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  • ASME B16.47 Welding Neck Flange
  • 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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Item #

Nominal Pipe Size

Outside Diameter (O)

Minimum Thickness (T)

Raised Face Diameter (R)

Length Thru Hub (Y)

Hub Diameter (X)

Minimum Fillet Radius (r)

Top of Hub (A)

Bore (B)

Bolt Circle (C)

Number of Holes

Diameter of Holes

Approximate Weight

N/A 26 N/A 34.12 in N/A 3.50 in N/A 29.00 in N/A 5.69 in N/A 27.62 in N/A 0.56 in N/A 26.19 in N/A Specified by purchaser N/A 31.62 in N/A 32 N/A 1.38 in N/A 400 lb
N/A 28 N/A 36.25 in N/A 3.50 in N/A 31.00 in N/A 5.88 in N/A 29.75 in N/A 0.56 in N/A 28.19 in N/A Specified by purchaser N/A 33.75 in N/A 36 N/A 1.38 in N/A 450 lb
N/A 30 N/A 39.00 in N/A 3.69 in N/A 33.25 in N/A 6.22 in N/A 32.00 in N/A 0.56 in N/A 30.25 in N/A Specified by purchaser N/A 36.25 in N/A 36 N/A 1.50 in N/A 550 lb
N/A 32 N/A 41.50 in N/A 4.06 in N/A 35.50 in N/A 6.62 in N/A 34.00 in N/A 0.62 in N/A 32.25 in N/A Specified by purchaser N/A 38.50 in N/A 32 N/A 1.62 in N/A 685 lb
N/A 34 N/A 43.62 in N/A 4.06 in N/A 37.50 in N/A 6.81 in N/A 36.12 in N/A 0.62 in N/A 34.25 in N/A Specified by purchaser N/A 40.62 in N/A 36 N/A 1.62 in N/A 750 lb
N/A 36 N/A 46.12 in N/A 4.06 in N/A 39.75 in N/A 7.12 in N/A 38.00 in N/A 0.62 in N/A 36.25 in N/A Specified by purchaser N/A 42.88 in N/A 32 N/A 1.75 in N/A 840 lb
N/A 38 N/A 48.12 in N/A 4.38 in N/A 41.75 in N/A 7.56 in N/A 40.00 in N/A 0.62 in N/A 38.25 in N/A Specified by purchaser N/A 44.88 in N/A 36 N/A 1.75 in N/A 915 lb
N/A 40 N/A 50.12 in N/A 4.56 in N/A 43.88 in N/A 7.81 in N/A 42.00 in N/A 0.62 in N/A 40.25 in N/A Specified by purchaser N/A 46.88 in N/A 40 N/A 1.75 in N/A 990 lb
N/A 42 N/A 52.50 in N/A 4.69 in N/A 46.00 in N/A 8.06 in N/A 44.00 in N/A 0.62 in N/A 42.31 in N/A Specified by purchaser N/A 49.00 in N/A 36 N/A 1.88 in N/A 1135 lb
N/A 44 N/A 54.50 in N/A 5.00 in N/A 48.00 in N/A 8.44 in N/A 46.19 in N/A 0.62 in N/A 44.31 in N/A Specified by purchaser N/A 51.00 in N/A 40 N/A 1.88 in N/A 1235 lb
N/A 46 N/A 57.50 in N/A 5.06 in N/A 50.00 in N/A 8.75 in N/A 48.38 in N/A 0.62 in N/A 46.31 in N/A Specified by purchaser N/A 53.75 in N/A 36 N/A 2.00 in N/A 1470 lb
N/A 48 N/A 59.50 in N/A 5.06 in N/A 52.25 in N/A 8.81 in N/A 50.31 in N/A 0.62 in N/A 48.31 in N/A Specified by purchaser N/A 55.75 in N/A 40 N/A 2.00 in N/A 1575 lb
N/A 50 N/A 61.50 in N/A 5.44 in N/A 54.25 in N/A 9.25 in N/A 52.38 in N/A 0.62 in N/A 50.31 in N/A Specified by purchaser N/A 57.75 in N/A 44 N/A 2.00 in N/A 1710 lb
N/A 52 N/A 63.50 in N/A 5.62 in N/A 56.25 in N/A 9.56 in N/A 54.44 in N/A 0.62 in N/A 52.31 in N/A Specified by purchaser N/A 59.75 in N/A 48 N/A 2.00 in N/A 1840 lb
N/A 54 N/A 65.88 in N/A 5.38 in N/A 58.25 in N/A 9.44 in N/A 56.50 in N/A 0.62 in N/A 54.31 in N/A Specified by purchaser N/A 62.12 in N/A 48 N/A 2.00 in N/A 1980 lb
N/A 56 N/A 69.50 in N/A 6.06 in N/A 60.50 in N/A 10.56 in N/A 58.81 in N/A 0.69 in N/A 56.31 in N/A Specified by purchaser N/A 65.00 in N/A 36 N/A 2.38 in N/A 2595 lb
N/A 58 N/A 71.94 in N/A 6.06 in N/A 62.75 in N/A 10.81 in N/A 60.94 in N/A 0.69 in N/A 58.31 in N/A Specified by purchaser N/A 67.44 in N/A 40 N/A 2.38 in N/A 2770 lb
N/A 60 N/A 73.94 in N/A 5.94 in N/A 65.00 in N/A 10.69 in N/A 62.94 in N/A 0.69 in N/A 60.31 in N/A Specified by purchaser N/A 69.44 in N/A 40 N/A 2.38 in N/A 2870 lb
1 - 18 of 18 | Results Per Page | View | Unit of Measure
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