Dimension of Class 600 Flanges As Per ANSI B 16.5

Size D
O.D
B
Thk
G
R.F Dia
M
Hub O.D
H1
W/N
H2
Sorf
H3
Lap Joint
A
Neck O.D
B1
Wnrf ID
B2
ID SW
Lap/Sorf
K
PCD
N
No of Holes
O
Hole
DEP
P
Thread
T
½ 95.2 14.3 34.9 38.1 52.4 22.2 22.2 21.3 22.30 66.7 4 15.9 9.6 15.7
¾ 117.5 15.9 42.9 47.6 57.1 25.4 25.4 26.7 27.70 82.5 4 19.0 11.1 15.7
1 123.8 17.5 50.8 54.0 61.9 26.9 26.9 33.5 34.54 88.9 4 19.0 12.7 17.5
133.3 20.6 63.5 63.5 66.7 28.6 28.6 42.2 43.20 98.4 4 19.0 14.3 20.6
155.6 22.4 73.0 69.8 69.8 31.7 31.7 48.3 49.50 114.3 4 22.2 15.9 22.4
2 165.1 25.4 92.1 84.1 73.0 36.5 36.5 60.4 62.00 127.0 8 19.0 17.5 28.4
190.5 28.6 104.8 100.0 79.4 41.3 41.3 73.1 74.70 149.2 8 22.2 19.0 31.8
3 209.5 31.8 127.0 117.5 82.5 46.0 46.0 88.9 90.70 168.3 8 22.2 20.6 35.1
228.5 34.9 139.7 133.4 85.7 49.2 49.2 101.6 103.50 184.1 8 25.4 - 39.6
4 273.5 38.1 157.2 152.4 101.6 53.9 53.9 114.3 116.00 215.9 8 25.4 - 41.1
5 330.2 44.5 185.7 188.9 114.3 60.3 60.3 141.2 143.80 266.7 8 28.6 - 47.8
6 355.6 47.8 215.9 222.3 117.5 66.7 66.7 168.4 170.50 292.1 12 28.6 - 50.8
8 419.1 55.6 269.9 273.1 133.3 76.2 76.2 219.2 221.50 349.2 12 31.7 - 57.2
10 508.0 63.5 323.8 342.9 152.4 85.7 111.1 273.0 276.40 431.8 16 34.9 - 65.0
12 558.0 66.5 381.0 400.0 155.6 92.1 117.5 323.8 327.20 488.9 20 34.9 - 69.9
14 603.2 69.9 412.7 431.8 165.1 93.7 127.0 355.6 359.20 527.0 20 38.1 - 73.2
16 685.8 76.2 469.9 495.3 177.8 106.4 139.7 406.4 410.50 603.2 20 41.3 - 77.7
18 742.9 82.6 533.4 546.1 184.2 117.5 152.4 457.2 461.80 654.0 20 44.4 - 79.2
20 812.8 88.9 584.2 609.6 190.5 127.0 165.1 508.0 513.10 723.9 24 44.4 - 82.6
22 870.0 95.2 641.3 666.7 196.8 133.3 174.6 558.8 564.40 777.9 24 47.6 - 91.9
24 939.8 101.6 692.1 717.5 203.2 139.7 184.1 609.6 616.00 838.2 24 50.8 - -
26 1016.0 107.9 749.3 747.8 222.2 222.2 - 660.4 - 914.4 28 50.8 - -
28 1073.1 111.1 800.1 803.1 234.9 234.9 - 711.2 - 965.2 28 50.8 - -
30 1130.3 114.3 857.2 862.1 247.6 247.6 - 762.0 - 1022.3 28 50.8 - -
32 1193.8 117.5 914.4 917.4 260.3 260.3 - 812.8 - 1079.5 28 60.3 - -
34 1244.6 120.6 965.2 970.0 269.9 269.9 - 863.6 - 1130.3 28 60.3 - -
36 1314.4 123.8 1022.3 1032.0 282.6 282.6 - 914.4 - 1193.8 28 66.7 - -
42 1492.2 139.7 1193.8 1127.0 279.4 279.4 - 1067.0 - 1365.2 28 73.0 - -

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