Dimension of Class 150 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
½ 88.9 11.1 34.9 30.2 47.6 15.9 15.9 21.3 15.7 22.35 60.3 4 15.9 9.65
¾ 98.4 12.7 42.9 38.1 52.4 15.9 15.9 26.7 20.8 27.70 69.8 4 15.9 11.14
1 107.9 14.3 50.8 49.2 55.6 17.5 17.5 33.5 26.7 34.54 79.4 4 15.9 12.7
117.5 15.9 63.5 58.7 57.1 20.6 20.6 42.2 35.1 43.20 88.9 4 15.9 14.3
127.0 17.5 73.0 65.1 61.9 22.2 22.2 48.3 40.9 49.50 98.4 4 15.9 15.9
2 152.4 19.1 92.1 77.8 63.5 25.4 25.4 60.4 52.6 62.00 120.6 4 19.0 17.5
177.8 22.2 104.8 90.5 69.8 28.6 28.6 73.1 62.7 74.70 139.7 4 19.0 19.0
3 190.5 23.8 127.0 107.9 69.8 30.2 30.2 88.9 78.0 90.70 152.4 4 19.0 20.6
215.9 23.8 139.7 122.2 71.4 31.7 31.7 101.6 90.2 103.50 177.8 8 19.0 22.3
4 228.6 23.8 157.2 134.9 76.2 33.3 33.3 114.3 102.4 116.00 190.5 8 19.0 23.8
5 254.0 23.8 185.7 163.5 88.9 36.5 36.5 141.2 128.3 143.80 215.9 8 22.2 23.8
6 279.4 25.4 215.9 192.1 88.9 39.7 39.7 168.4 152.4 170.50 241.3 8 22.2 26.9
8 342.9 28.6 269.9 246.1 101.6 44.4 44.4 219.2 202.7 221,50 298.4 8 22.2 31.7
10 406.4 30.2 323.8 304.8 101.6 49.2 49.2 273.0 254.5 276.40 361.9 12 25.4 33.2
12 482.6 31.8 381.0 365.1 114.3 55.6 55.6 323.8 304.8 327.20 431.8 12 25.4 39.6
14 533.4 34.9 412.7 400.0 127.0 57.1 79.4 355.6 336.6 359.20 476.2 12 28.6 41.4
16 596.9 36.5 469.9 457.2 127.0 63.5 87.3 406.4 387.35 410.50 539.7 16 28.6 44.4
18 635.0 39.7 533.4 504.8 139.7 68.3 96.8 457.2 438 15 461.80 577.8 16 31.7 49.2
20 698.5 42.9 584.2 558.8 144.5 73.0 103.2 508.0 489.00 513.10 635.0 20 31.7 54.1
22 749.3 46.0 641.3 609.6 149.2 79.4 107.9 558.8 539.75 564.40 692.1 20 34.9 60.4
24 812.8 47.6 692.1 663.6 152.4 82.5 111.1 609.6 590.55 616.00 749.3 20 34.9 63.5
26 869.9 50.8 742.9 676.3 120.7 85.7   660 -   806.4 24 34.9 -
28 927.1 52.4 793.7 727.1 125.4 87.3 - 711 - - 863.6 28 34.9 -
30 984.2 54.0 857.2 781.05 136.5 88.9 - 762 - - 914.4 28 34.9 -
32 1060.4 57.1 908.0 831.9 144.5 92.1   813 - - 977.9 28 41.3 -
34 1111.2 58.7 958.8 882.7 149.2 93.7 - 864 - - 1028.7 32 41.3 -
36 1168.4 60.3 1022.3 933.5 157.2 95.2 - 914 - - 1085.8 32 41.3 -
38 1238.2 60.3 1073.2 990.6 157.2 95.2 - 965 - - 1149.3 32 41.3 -
40
42
1289.0 63.5 1124.0 1044.4 163.5 98.4 - 1016 - - 1200.1 36 41.3 -
1346.2 66.7 1193.8 1092.2 171.4 101.6 - 1067 - - 1257.3 36 41.3 -
44 1403.3 66.7 1244.6 1143.0 177.8 101.6   1118 - - 1314.4 40 41.3 -
46 1454.1 68.3 1295.4 1196.8 185.7 103.2   1168 - - 1365.2 40 41.3 -
48 1511.3 69.8 1358.9 1247.6 192.0 104.8   1219 - - 1422,4 41 41.3 -

We are Consistently Embraced Innovation to Provide a Superior Level of Excellence.  

العربية العربية English English