ASME B16.47 Class 600 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 Holes Diameter Diameter of Holes
26600WNSB2635.00 4.38 28.62 7.12 27.50 0.5026.00Specified by purchaser 550 31.75 28 1.75
28600WNSB2837.50 4.56 30.88 7.50 29.62 0.50 28.00 Specified by purchaser 650 34.0028 1.88
30600WNSB3040.25 4.94 33.12 8.06 31.75 0.50 30.00 Specified by purchaser 810 36.5028 2.00
32600WNSB32 42.75 5.12 35.25 8.50 33.880.50 32.00 Specified by purchaser 95038.75 282.12
34600WNSB34 45.755.56 37.50 9.1936.00 0.56 34.00 Specified by purchaser 1205 41.5024 2.38
36600WNSB36 47.75 5.7539.75 9.56 38.12 0.56 36.00Specified by purchaser 1340 43.5028 2.38