ASME B16.47 Class 300 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
26300WNSB26 34.12 3.50 29.00 5.69 27.62 0.5626.19Specified by purchaser 40031.62 32 1.38
28300WNSB2836.25 3.50 31.00 5.88 29.75 0.56 28.19Specified by purchaser 450 33.7536 1.38
30300WNSB3039.003.69 33.25 6.22 32.00 0.56 30.25Specified by purchaser 550 36.25 36 1.50
32300WNSB3241.50 4.06 35.50 6.62 34.00 0.62 32.25Specified by purchaser 685 38.50 32 1.62
34300WNSB3443.62 4.06 37.50 6.81 36.12 0.62 34.25Specified by purchaser 750 40.62 36 1.62
36300WNSB3646.12 4.0639.75 7.1238.00 0.62 36.25Specified by purchaser 840 42.8832 1.75
38300WNSB3848.12 4.38 41.75 7.56 40.00 0.62 38.25 Specified by purchaser 91544.8836 1.75
40300WNSB4050.12 4.5643.88 7.81 42.00 0.62 40.25 Specified by purchaser 990 46.88401.75
42300WNSB4252.50 4.69 46.008.06 44.00 0.62 42.31 Specified by purchaser 113549.0036 1.88
44300WNSB4454.50 5.00 48.00 8.44 46.190.62 44.31Specified by purchaser 123551.00 40 1.88
46300WNSB4657.50 5.06 50.00 8.75 48.38 0.62 46.31 Specified by purchaser 147053.7536 2.00
48300WNSB4859.50 5.06 52.258.81 50.31 0.62 48.31Specified by purchaser 157555.7540 2.00
50300WNSB5061.50 5.4454.25 9.25 52.38 0.62 50.31 Specified by purchaser 1710 57.7544 2.00
52300WNSB5263.50 5.6256.25 9.56 54.44 0.62 52.31 Specified by purchaser 1840 59.7548 2.00
54300WNSB5465.88 5.3858.25 9.44 56.50 0.62 54.31Specified by purchaser 1980 62.12 48 2.00
56300WNSB5669.50 6.06 60.5010.56 58.81 0.69 56.31 Specified by purchaser 259565.0036 2.38
58300WNSB5871.94 6.06 62.75 10.81 60.94 0.69 58.31Specified by purchaser 2770 67.4440 2.38
60300WNSB6073.94 5.9465.00 10.6962.94 0.69 60.31 Specified by purchaser 2870 69.4440 2.38