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  • All dimensions are in inches.
  • 1/4" raised face will be added to the thickness and overall length unless otherwise specified.
  • Flat face option available.

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ASME B16.47 Welding Neck Flange
Unit of Measure
1 

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)

Approximate Weight

Bolt Circle (C)

Number of Holes

Diameter of Holes

26600WNSA N/A 26 N/A 40.00 in N/A 4.25 in N/A 29.50 in N/A 8.75 in N/A 29.44 in N/A 0.50 in N/A 26.00 in N/A Specified by purchaser N/A 940 lb N/A 36.00 in N/A 28 N/A 2.00 in
28600WNSA N/A 28 N/A 42.25 in N/A 4.38 in N/A 31.50 in N/A 9.25 in N/A 31.62 in N/A 0.50 in N/A 28.00 in N/A Specified by purchaser N/A 1060 lb N/A 38.00 in N/A 28 N/A 2.12 in
30600WNSA N/A 30 N/A 44.50 in N/A 4.50 in N/A 33.75 in N/A 9.75 in N/A 33.94 in N/A 0.50 in N/A 30.00 in N/A Specified by purchaser N/A 1210 lb N/A 40.25 in N/A 28 N/A 2.12 in
32600WNSA N/A 32 N/A 47.00 in N/A 4.62 in N/A 36.00 in N/A 10.25 in N/A 36.12 in N/A 0.50 in N/A 32.00 in N/A Specified by purchaser N/A 1375 lb N/A 42.50 in N/A 28 N/A 2.38 in
34600WNSA N/A 34 N/A 49.00 in N/A 4.75 in N/A 38.00 in N/A 10.62 in N/A 38.31 in N/A 0.56 in N/A 34.00 in N/A Specified by purchaser N/A 1540 lb N/A 44.50 in N/A 28 N/A 2.38 in
36600WNSA N/A 36 N/A 51.75 in N/A 4.88 in N/A 40.25 in N/A 11.12 in N/A 40.62 in N/A 0.56 in N/A 36.00 in N/A Specified by purchaser N/A 1705 lb N/A 47.00 in N/A 28 N/A 2.62 in
38600WNSA N/A 38 N/A 50.00 in N/A 6.00 in N/A 41.50 in N/A 10.00 in N/A 40.25 in N/A 0.56 in N/A 38.00 in N/A Specified by purchaser N/A 1470 lb N/A 45.75 in N/A 28 N/A 2.38 in
40600WNSA N/A 40 N/A 52.00 in N/A 6.25 in N/A 43.75 in N/A 10.38 in N/A 42.25 in N/A 0.56 in N/A 40.00 in N/A Specified by purchaser N/A 1630 lb N/A 47.75 in N/A 32 N/A 2.38 in
42600WNSA N/A 42 N/A 55.25 in N/A 6.62 in N/A 46.00 in N/A 11.00 in N/A 44.38 in N/A 0.56 in N/A 42.00 in N/A Specified by purchaser N/A 2030 lb N/A 50.50 in N/A 28 N/A 2.62 in
44600WNSA N/A 44 N/A 57.25 in N/A 6.81 in N/A 48.25 in N/A 11.38 in N/A 46.50 in N/A 0.56 in N/A 44.00 in N/A Specified by purchaser N/A 2160 lb N/A 52.50 in N/A 32 N/A 2.62 in
46600WNSA N/A 46 N/A 59.50 in N/A 7.06 in N/A 50.25 in N/A 11.81 in N/A 48.62 in N/A 0.56 in N/A 46.00 in N/A Specified by purchaser N/A 2410 lb N/A 54.75 in N/A 32 N/A 2.62 in
48600WNSA N/A 48 N/A 62.75 in N/A 7.44 in N/A 52.50 in N/A 12.44 in N/A 50.75 in N/A 0.56 in N/A 48.00 in N/A Specified by purchaser N/A 2855 lb N/A 57.50 in N/A 32 N/A 2.88 in
50600WNSA N/A 50 N/A 65.75 in N/A 7.75 in N/A 54.50 in N/A 12.94 in N/A 52.88 in N/A 0.56 in N/A 50.00 in N/A Specified by purchaser N/A 3330 lb N/A 60.00 in N/A 28 N/A 3.12 in
52600WNSA N/A 52 N/A 67.75 in N/A 8.00 in N/A 56.50 in N/A 13.25 in N/A 54.88 in N/A 0.56 in N/A 52.00 in N/A Specified by purchaser N/A 3560 lb N/A 62.00 in N/A 32 N/A 3.12 in
54600WNSA N/A 54 N/A 70.00 in N/A 8.25 in N/A 58.75 in N/A 13.75 in N/A 57.00 in N/A 0.56 in N/A 54.00 in N/A Specified by purchaser N/A 3920 lb N/A 64.25 in N/A 32 N/A 3.12 in
56600WNSA N/A 56 N/A 73.00 in N/A 8.56 in N/A 60.75 in N/A 14.25 in N/A 59.12 in N/A 0.62 in N/A 56.00 in N/A Specified by purchaser N/A 4280 lb N/A 66.75 in N/A 32 N/A 3.38 in
58600WNSA N/A 58 N/A 75.00 in N/A 8.75 in N/A 63.00 in N/A 14.56 in N/A 61.12 in N/A 0.62 in N/A 58.00 in N/A Specified by purchaser N/A 4640 lb N/A 68.75 in N/A 32 N/A 3.38 in
60600WNSA N/A 60 N/A 78.50 in N/A 9.19 in N/A 65.25 in N/A 15.31 in N/A 63.38 in N/A 0.69 in N/A 60.00 in N/A Specified by purchaser N/A 5000 lb N/A 71.75 in N/A 28 N/A 3.62 in
Unit of Measure
1