ASME 150, DIN PN10/16 and Table D/E Flange dimensions| CRP US

Size Standard Class Outside ø Pitch Circle ø Bolt Hole ø No. of Bolt Holes
             
1/2″ (DN15) ASME B16.5 150 90 60.3 15.9 4
    300 95 66.7 15.9 4
3/4″ (DN20) ASME B16.5 150 100 69.9 15.9 4
    300 115 82.6 19.1 4
1″ (DN25) ASME B16.5 150 110 79.4 15.9 4
    300 125 88.9 19.1 4
1 1/2″ (DN40) ASME B16.5 150 125 98.4 15.9 4
    300 155 114.3 22.2 4
2″ (DN50) ASME B16.5 150 150 120.7 19.1 4
    300 165 127 19.1 8
3″ (DN80) ASME B16.5 150 190 152.4 19.1 4
    300 210 168.3 22.2 8
4″ (DN100) ASME B16.5 150 230 190.5 19.1 8
    300 255 200 22.2 8
6″ (DN150) ASME B16.5 150 280 241.3 22.2 8
    300 320 269.9 22.2 12
8″ (DN200) ASME B16.5 150 345 298.5 22.2 8
    300 380 330.2 25.4 12
10″ (DN250) ASME B16.5 150 405 362 25.4 12
    300 445 87.4 28.6 16
12″ (DN300) ASME B16.5 150 485 431.8 25.4 12
    300 520 450.8 31.8 16
14″ (DN350) ASME B16.5 150 535 476.3 28 12
    300 585 514.4 32 20

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