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Class 2500 Threaded Flanges

Flanges are called threaded flanges as it is mounted on pipe with help of female threading on the line and male threading on the pipe line. Threaded flanges are used in lines where fast dismantling is required and threaded flanges are mainly used in low pressure in line. It can also be used at places where in welding is not possible due to exploding nature of line fluid. We are recognised as quality threaded flange manufacturer in India.

DIMENSIONS OF CLASS 2500 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'' 15 133.3 88.9 22.2 4 30.2 21.3 42.9 39.7 73.3 39.7 22.3 22.9 34.9 - 28.6
3/4'' 20 139.7 95.2 22.2 4 31.7 26.7 50.8 42.9 79.4 42.9 27.7 28.2 42.9 - 31.7
1'' 25 158.7 107.9 25.4 4 34.9 33.5 57.1 47.7 88.9 47.7 34.5 35.0 50.8 - 34.9
1 ¼'' 32 184.1 130.2 28.6 4 38.1 42.2 73.0 52.4 95.2 52.4 43.2 43.7 63.5 - 38.1
1 ½'' 40 203.2 146.0 31.7 4 44.4 48.3 79.4 60.3 111.1 60.3 49.5 50.0 73.0 - 44.4
2'' 50 234.9 171.4 28.6 8 50.8 60.4 95.2 69.8 127.0 69.8 62.0 62.5 92.1 - 50.8
2 ½'' 65 266.7 196.8 31.7 8 57.1 73.1 114.3 79.4 142.9 79.4 74.7 75.4 104.8 - 57.1
3'' 80 304.8 228.6 34.9 8 66.7 88.9 133.3 92.1 168.3 92.1 90.7 91.4 127.0 - 63.5
4'' 100 355.6 273.0 41.3 8 76.2 114.3 165.1 107.9 190.5 107.9 116.1 116.8 157.2 - 69.8
5'' 125 419.1 323.8 47.6 8 92.1 141.2 203.2 130.0 128.6 130.0 143.8 144.5 185.7 - 76.2
6'' 150 482.6 368.3 54.0 8 107.9 168.4 234.9 152.4 273.0 152.4 170.7 171.4 215.9 - 82.5
8'' 200 552.4 438.1 54.0 12 127.0 219.2 304.8 177.8 317.5 177.8 221.5 222.2 269.9 - 95.2
10'' 250 673.1 539.7 66.7 12 165.1 273.0 374.6 228.6 419.1 228.6 276.3 277.4 323.8 - 107.9
12'' 300 762.0 619.1 73.0 12 184.1 323.8 441.3 254.0 463.5 254.0 327.1 328.2 381.0 - 120.6

Note : Thickness 'C' is inclusive of Raised Face Thickness of 1.65 MM. For Class 2500