ASME B16.47 Class 900 Series B 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
26900WNSB26 40.25 5.31 30.00 10.1929.250.44 26.00Specified by purchaser 1050 35.50 20 2.62
28900WNSB28 43.50 5.81 32.25 10.8831.380.5028.00 Specified by purchaser 1520 38.25 20 2.88
30900WNSB30 46.50 6.12 34.50 11.38 33.50 0.5030.00 Specified by purchaser 1820 40.75 20 3.12
32900WNSB3248.75 6.31 36.50 11.9435.75 0.5032.00 Specified by purchaser 2065 43.00 20 3.12
34900WNSB3451.75 6.75 39.00 12.56 37.88 0.56 34.00 Specified by purchaser 2450 45.50 203.38
36900WNSB3653.006.8140.5012.81 40.000.56 36.00 Specified by purchaser 2520 47.25 24 3.12