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ANSI / ASME CLASS 300 SLIP ON FLANGE DIMENSIONS

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slip on flange dimensions

Class 300 Slip-on Flange Dimensions as per ASME B16.5

Size in Inch Size in mm Outer Dia. Flange Thick. Hub OD Flange Length RF Dia. RF Height PCD Socket Bore No of Bolts Bolt Size UNC Machine Bolt Length RF Stud Length Hole Size ISO Stud Size Weight in kg
A B C D E F G H
1/2 15 95 12.7 38 21 34.9 2 66.7 22.2 4 1/2 55 65 5/8 M14 1.2
3/4 20 115 14.3 48 24 42.9 2 82.6 27.7 4 5/8 65 75 3/4 M16 1.4
1 25 125 15.9 54 25 50.8 2 88.9 34.5 4 5/8 65 75 3/4 M16 1.4
1 1/4 32 135 17.5 64 25 63.5 2 98.4 43.2 4 5/8 70 85 3/4 M16 1.8
1 1/2 40 155 19.1 70 29 73 2 114.3 49.5 4 3/4 75 90 7/8 M20 2.7
2 50 165 20.7 84 32 92.1 2 127 61.9 8 5/8 75 90 3/4 M16 3.2
2 1/2 65 190 23.9 100 37 104.8 2 149.2 74.6 8 3/4 85 100 7/8 M20 4.6
3 80 210 27 117 41 127 2 168.3 90.7 8 3/4 90 110 7/8 M20 5.9
3 1/2 90 230 28.6 133 43 139.7 2 184.2 103.4 8 3/4 95 110 7/8 M20 7.7
4 100 255 30.2 146 46 157.2 2 200 116.8 8 3/4 95 115 7/8 M20 10
5 125 280 33.4 178 49 185.7 2 235 144.4 8 3/4 110 120 7/8 M20 12.7
6 150 320 35 206 51 215.9 2 269.9 171.4 12 3/4 110 120 7/8 M20 17.7
8 200 380 39.7 260 60 269.9 2 330.2 222.2 12 7/8 120 140 1 M24 26
10 250 445 46.1 321 65 323.8 2 387.4 277.4 16 1 140 160 1 1/8 M27 36
12 300 520 49.3 375 71 381 2 450.8 328.2 16 1 1/8 145 170 1 1/4 M30 52
14 350 585 52.4 425 75 412.8 2 514.4 360.2 20 1 1/8 160 180 1 1/4 M30 75
16 400 650 55.6 483 81 469.9 2 571.5 411.2 20 1 1/4 165 190 1 3/8 M33 86
18 450 710 58.8 533 87 533.4 2 628.6 462.3 24 1 1/4 170 195 1 3/8 M33 113
20 500 775 62 587 94 584.2 2 685.8 514.4 24 1 1/4 185 205 1 3/8 M33 143
24 600 915 68.3 702 105 692.2 2 812.8 616 24 1 1/2 205 230 1 5/8 M39 216