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PN 25 Flange

Unit : mm
Normal Diameter of Pipe Dimension of Bolt
A C D H No.
mm Inch
10 3/8" 60 90 14 4
15 1/2" 65 95 14 4
20 3/4" 75 105 14 4
25 1" 85 115 14 4
32 1-1/4" 100 140 18 4
40 1-1/2" 110 150 18 4
50 2" 125 165 18 4
65 2-1/2" 145 185 18 8
80 3" 160 200 18 8
100 4" 190 235 22 8
125 5" 220 270 26 8
150 6" 250 300 26 8
200 8" 310 360 26 12
250 10" 370 425 30 12
300 12" 430 485 30 16
350 14" 490 555 33 16
400 16" 550 620 36 16
450 18" 600 670 35.5 20
500 20" 660 730 36 20
600 24" 770 845 39 20