American standard flanges, class 900 flanges, nominal pipe size, depth of socket, diameter at weld bevel, bolt holes, length of threading, raised face thickness, Mumbai

CLASS 900 FLANGES

American standard flanges, class 900 flanges, nominal pipe size, depth of socket, Mumbai
DIMENSIONS OF CLASS 900 FLANGES (ANSI B 16.5) (in mm)
Nominal
Pipe Size
Flange
Dia
'O'
Dia of
Bolt Circle
'A'
Dia of Bolt Holes
'D'
No. of
Holes
Thk of Flange
'C'
Diameter at Weld Bevel Dia of Hub
'E'
Length Through Hub Bore 'B' Dia of
R/F
R
Depth of
Socket
F
Length
of
Threading
S/O & S/W
Y
W/N
Y
L/J
Y
S/O & S/W
B
L/J
B
1/2'' 15 95.2 66.7 15.9 4 14.3 21.3 38.1 22.2 52.4 22.2 22.3 22.9 34.9 9.5 15.9
3/4'' 20 117.5 82.5 19.0 4 15.9 26.7 47.6 25.4 57.1 25.4 27.7 28.2 42.9 11.1 15.9
1'' 25 123.8 88.9 19.0 4 17.5 33.5 54.0 27.0 61.9 27.0 34.5 35.0 50.8 12.7 17.5
1 ¼'' 32 133.3 98.4 19.0 4 20.6 42.2 63.5 28.6 66.7 28.6 43.2 43.7 63.5 14.3 20.6
1 ½'' 40 155.6 114.3 22.2 4 22.2 48.3 69.8 31.7 69.8 31.7 49.5 50.0 73.0 15.9 22.2
2'' 50 165.1 127.0 19.0 8 25.4 60.4 84.1 36.5 73.0 36.5 62.0 62.5 92.1 17.5 25.4
2 ½'' 65 190.5 149.2 22.2 8 28.6 73.1 100.0 41.3 79.4 41.3 74.7 75.4 104.8 19.0 28.6
3'' 80 209.5 168.3 22.2 8 31.8 88.9 117.5 46.0 82.5 46.0 90.7 91.4 127.0 - 30.2
3 ½'' 90 228.5 184.2 22.2 8 34.9 101.6 133.4 49.3 85.7 49.3 103.4 104.1 140.0 - 31.7
4'' 100 273.0 215.9 25.4 8 38.1 114.3 152.4 54.0 101.6 54.0 116.1 116.8 157.2 - 33.3
5'' 125 330.2 266.7 28.6 8 44.4 141.2 188.9 60.3 114.3 60.3 143.8 144.5 185.7 - 36.5
6'' 150 355.6 292.1 28.6 12 47.6 168.4 222.2 66.7 117.5 66.7 170.7 171.4 215.9 - 39.7
8'' 200 419.1 349.2 31.7 12 55.6 219.2 273.0 76.2 133.3 76.2 221.5 222.2 269.9 - 44.4
10'' 250 508.0 431.8 34.9 16 63.5 273.0 342.9 85.7 152.4 111.2 276.3 277.4 323.8 - 49.2
12'' 300 558.8 488.9 34.9 20 66.7 323.8 400.0 92.1 155.6 117.3 327.1 328.2 381.0 - 55.6
14'' 350 603.2 527.0 38.1 20 69.9 355.6 431.8 93.7 165.1 127.0 359.1 360.2 412.7 - 57.1
16'' 400 685.8 603.2 41.3 20 76.2 406.4 495.3 106.4 177.8 139.7 410.5 411.2 469.9 - 63.5
18'' 450 742.9 654.0 44.4 24 82.6 457.2 546.1 117.5 184.1 152.4 461.8 462.3 533.4 - 68.3
20'' 500 812.8 723.9 44.4 24 88.9 508.0 609.6 127.0 190.5 165.1 513.1 514.3 584.2 - 73.0
24'' 600 939.8 838.2 50.8 24 101.6 609.6 717.5 139.7 203.2 184.1 615.9 615.9 692.1 - 82.5
Note : Thickness 'C' is exclusive of Raised Face Thickness of 6.25 MM. For Class 900