American Flange Standards
CLASS 150 Series.B | FLANGE THICKNESS | LTB | DRILLING DATA | |||||||
---|---|---|---|---|---|---|---|---|---|---|
NOMINAL PIPE SIZE | FLANGE OUTSIDE DIAMETER | THICKNESS OF W/N MIN | THICKNESS OF BLIND MIN | WELD NECK LENGTH | PITCH CIRCLE DIAMETER | BOLT HOLE DIAMETER | NUMBER OF BOLTS HOLES | NOMINAL PIPE SIZE | ||
MM | INCH | OD | T | T1 | L1 | PCD | H | # | MM | INCH |
650 | 26 | 785 | 39.8 | 43 | 87 | 744.5 | 22 | 36 | 650 | 26 |
700 | 28 | 835 | 43 | 46.2 | 94 | 795.3 | 22 | 40 | 700 | 28 |
750 | 30 | 885 | 43 | 49.3 | 98 | 846.1 | 22 | 44 | 750 | 30 |
800 | 32 | 940 | 44.6 | 52.5 | 106 | 900.1 | 22 | 48 | 800 | 32 |
850 | 34 | 1005 | 47.7 | 55.7 | 109 | 957.3 | 26 | 40 | 850 | 34 |
900 | 36 | 1055 | 50.9 | 57.3 | 116 | 1009.6 | 26 | 44 | 900 | 36 |
950 | 38 | 1125 | 52.5 | 62 | 122 | 1070 | 29 | 40 | 950 | 38 |
1000 | 40 | 1175 | 54.1 | 65.2 | 127 | 1120.8 | 29 | 44 | 1000 | 40 |
1050 | 42 | 1225 | 57.3 | 66.8 | 132 | 1171.6 | 29 | 48 | 1050 | 42 |
1100 | 44 | 1275 | 58.9 | 70 | 135 | 1222.4 | 29 | 52 | 1100 | 44 |
1150 | 46 | 1340 | 60.4 | 73.1 | 143 | 1284.3 | 32 | 40 | 1150 | 46 |
1200 | 48 | 1390 | 63.6 | 76.3 | 148 | 1335.1 | 32 | 44 | 1200 | 48 |
1250 | 50 | 1445 | 66.8 | 79.5 | 152 | 1385.9 | 32 | 48 | 1250 | 50 |
1300 | 52 | 1495 | 68.4 | 82.7 | 156 | 1436.7 | 32 | 52 | 1300 | 52 |
1350 | 54 | 1550 | 70 | 85.8 | 160 | 1492.2 | 32 | 56 | 1350 | 54 |
1400 | 56 | 1600 | 71.6 | 89 | 165 | 1543 | 32 | 60 | 1400 | 56 |
1450 | 58 | 1675 | 73.1 | 91.9 | 173 | 1611.3 | 35 | 48 | 1450 | 58 |
1500 | 60 | 1725 | 74.7 | 95.4 | 178 | 1662.1 | 35 | 52 | 1500 | 60 |