ANSI / ASME B16.5 Class 150 Socket-Weld Flange Dimensions

ANSI B16.5 Class 150 Socket Weld Flange Dimensions

Nominal Pipe Size Outside Diameter (O) Thickness (T) Raised Face Diameter (R) Length Thru Hub (Y) Hub Diameter (X) Bore (B1) Bore (B2) Depth of Socket(D) Approximate Weight (lbs) Bolt Circle (C) Number of Holes Diameter of Holes
1/2 3.50 0.44 1.38 0.63 1.19 0.62 0.88 0.38 1 2.38 4 0.63
3/4 3.88 0.50 1.69 0.63 1.50 0.82 1.09 0.44 2 2.75 4 0.63
1 4.25 0.56 2.00 0.69 1.94 1.05 1.36 0.50 2 3.13 4 0.63
1 1/4 4.63 0.63 2.50 0.81 2.31 1.38 1.70 0.56 3 3.50 4 0.63
1 1/2 5.00 0.69 2.88 0.88 2.56 1.61 1.95 0.63 3 3.88 4 0.63
2 6.00 0.75 3.63 1.00 3.06 2.07 2.44 0.69 5 4.75 4 0.75
2 1/2 7.00 0.88 4.13 1.13 3.56 2.47 2.94 0.75 7 5.50 4 0.75
3 7.50 0.94 5.00 1.19 4.25 3.07 3.57 0.81 8 6.00 4 0.75
3 1/2 8.50 0.94 5.50 1.25 4.81 3.55 4.07 0.88 11 7.00 8 0.75
4 9.00 0.94 6.19 1.31 5.31 4.03 4.57 0.94 13 7.50 8 0.75
5 10.00 0.94 7.31 1.44 6.44 5.05 5.66 0.94 15 8.50 8 0.88
6 11.00 1.00 8.50 1.56 7.56 6.07 6.72 1.06 19 9.50 8 0.88
8 13.50 1.13 10.63 1.75 9.69 7.98 8.72 1.25 30 11.75 8 0.88
10 16.00 1.19 12.75 1.94 12.00 10.02 10.88 1.31 43 14.25 12 1.00
12 19.00 1.25 15.00 2.19 14.38 12.00 12.088 1.56 64 17.00 12 1.00
14 21.00 1.38 16.25 2.25 15.75 13.25 14.14 1.63 90 18.75 12 1.13
16 23.50 1.44 18.50 2.50 18.00 15.25 16.16 1.75 98 21.25 16 1.13
18 25.00 1.56 21.00 2.69 19.88 17.25 18.18 1.94 130 22.75 16 1.25
20 27.50 1.69 23.00 2.88 22.00 19.25 20.20 2.13 165 25.00 20 1.25
22 29.50 1.81 25.25 3.13 24.25 21.25 22.22 2.38 185 27.25 20 1.38
24 32.00 1.88 27.25 3.25 26.13 23.25 24.25 2.50 220 29.50 20 1.38

*Use 25.4 as a factor to convert into mm.