PRODUCTS :


  1. Dimension of Class 150 Flanges
  2. Dimension of Class 300 Flanges
  3. Dimension of Class 600 Flanges
  4. Dimension of Class 900 Flanges
  5. Dimension of Class 1500 Flanges
  6. Dimension of Class 2500 Flanges

Dimensions for Class 2500 Flanges

Nom. Pipe Size(inches)
O
Q*
R
X
No. of Holes
Dia of Bolt Holes
Bolt circle Dia
YY*
H
J
Y*
B
R
YV
BB
C
T
1/2 133.4 30.2 35.1 42.9 4 22.4 88.9 73.2 21.3 To Be Specified by purchaser 39.6 3.0 39.6 22.9 23.6 28.4 28.4
3/4 139.7 31.8 42.9 50.8 4 22.4 95.3 79.2 26.7 42.9 3.0 42.9 28.2 29.0 31.8  
1 158.8 35.1 50.8 57.2 4 25.4 108.0 88.9 33.5 47.8 3.0 47.8 35.1 35.8 35.1  
1 1/4 184.2 38.1 63.5 73.2 4 28.4 130.0 95.3 42.2 52.3 4.8 52.3 43.7 44.5 38.1  
1 1/2 203.2 44.5 73.2 79.2 4 31.8 146.1 111.3 48.3 60.5 6.4 60.5 50.0 50.5 44.5  
2 235.0 50.8 91.9 95.3 8 28.4 171.5 127.0 60.5 69.9 7.9 69.9 62.5 63.5 50.8  
21/2 266.7 57.2 104.6 114.3 8 31.8 196.9 142.7 73.2 79.2 7.9 79.2 75.4 76.2 57.2  
3 304.8 66.5 127.0 133.4 8 35.1 228.6 168.1 88.9 91.9 9.7 91.9 91.4 92.2 63.5  
4 355.6 76.2 157.2 165.1 8 41.1 273.1 190.5 114.3 108.0 11.2 108.0 116.8 117.6 69.9  
5 419.1 91.9 185.7 203.2 8 47.8 323.9 228.6 141.2 130.0 11.2 130.0 144.5 144.5 76.2  
6 482.6 108.0 215.9 235.0 8 53.8 368.3 273.1 168.4 152.4 12.7 152.4 171.5 171.5 82.6  
8 552.5 127.0 269.7 304.8 12 53.8 438.2 317.5 219.2 177.8 12.7 177.8 222.3 222.3 95.3  
10 673.1 165.1 323.9 374.7 12 66.5 539.8 419.1 273.1 228.6 12.7 228.6 277.4 276.4 108.0  
12 762.0 184.2 381.0 441.5 12 73.2 619.3 463.6 323.9 254.0 12.7 254.0 328.2 328.7 120.7  

 

 
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