ASME B16.47 Class 400 Series A Welding Neck Flanges

ProductsNominal Pipe SizeOutside 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 (lbs) Bolt Circle (C)Number of HolesDiameter of Holes
26400WNSA26 38.25 3.50 29.50 7.6228.62 0.44 26.00 Specified by purchaser 650 34.50 28 1.88
28400WNSA28 40.75 3.75 31.50 8.12 30.81 0.50 28.00Specified by purchaser 785 37.00 28 2.00
30400WNSA 3043.00 4.00 33.75 8.62 32.94 0.50 30.00 Specified by purchaser 905 39.25 28 2.12
32400WNSA32 45.25 4.25 36.00 9.12 35.00 0.50 30.00 Specified by purchaser 1065 41.50 28 2.12
34400WNSA34 47.50 4.38 38.00 9.50 37.19 0.56 34.00 Specified by purchaser 1200 43.50 28 2.12
36400WNSA36 50.00 4.50 38.00 9.88 39.38 0.56 36.00 Specified by purchaser 1340 46.00 32 2.12
38400WNSA38 47.50 4.88 40.75 8.12 39.50 0.56 38.00 Specified by purchaser 935 44.00 32 1.88
40400WNSA40 50.00 5.12 43.00 8.50 41.50 0.56 40.00 Specified by purchaser 1090 46.25 32 2.00
42400WNSA42 52.00 5.25 45.00 8.81 43.62 0.56 42.00 Specified by purchaser 1190 48.25 32 2.00
44400WNSA44 54.50 5.50 47.25 9.18 45.62 0.56 44.00 Specified by purchaser 1375 50.50 32 2.12
46400WNSA46 56.755.75 49.50 9.62 47.75 0.56 46.00Specified by purchaser 1525 52.7536 2.12
48400WNSA48 59.50 6.00 51.50 10.12 49.880.56 48.00 Specified by purchaser 179055.25 28 2.38
50400WNSA50 61.75 6.19 53.62 10.56 52.00 0.56 50.00 Specified by purchaser 1950 57.50 32 2.38
52400WNSA5263.75 6.3855.62 10.8854.00 0.56 52.00Specified by purchaser 2125 59.5032 2.38
54400WNSA5467.00 6.69 57.88 11.38 56.12 0.56 54.00 Specified by purchaser 2565 62.25 28 2.62
56400WNSA5669.00 6.88 60.12 11.75 58.25 0.56 56.00 Specified by purchaser 2710 64.25 32 2.62
58400WNSA5871.00 7.00 62.1212.06 60.25 0.5658.00 Specified by purchaser 323066.25 32 2.62
60400WNSA6074.25 7.31 64.38 12.56 62.38 0.56 60.00 Specified by purchaser 3820 69.0032 2.88