| Drilling | ||||||||||||
| Nom Size | OD | Thickness | OD of RF | Dia at Base | Dia Bevel | LTH | Dia of Pressure Connection | Bolt Circle | Hole Dia | # of Holes | Bolt Dia | |
| O | C | R | X | B | Y | TT | ||||||
| in | 1 | 4.88 | 1.5 | 2 | 2.12 | 1.36 | 1.88 | 1/4 | 3.5 | 0.69 | 4 | 5/8 |
| mm | 124 | 38.1 | 50.8 | 53.8 | 34.5 | 47.8 | 6.4 | 88.9 | 17.5 | 15.9 | ||
| in | 1 1/2 | 6.12 | 1.5 | 2.88 | 2.75 | 1.95 | 1.88 | 1/4 | 4.5 | 0.81 | 4 | 3/4 |
| mm | 155.4 | 38.1 | 73.2 | 69.9 | 49.50 | 47.8 | 6.4 | 114.3 | 20.6 | 19.1 | ||
| in | 2 | 6.5 | 1.5 | 3.62 | 3.31 | 2.44 | 1.94 | 1/4 | 5 | 0.69 | 8 | 5/8 |
| mm | 165.1 | 38.1 | 91.9 | 84.1 | 62.0 | 49.3 | 6.4 | 127 | 17.5 | 15.9 | ||
| in | 2 1/2 | 7.5 | 1.5 | 4.12 | 3.94 | 2.94 | 2.00 | 1/4 | 5.88 | 0.81 | 8 | 3/4 |
| mm | 190.5 | 38.1 | 104.6 | 100.1 | 74.7 | 50.8 | 6.4 | 149.4 | 20.6 | 19.1 | ||
| in | 3 | 8.25 | 1.5 | 5 | 4.62 | 3.57 | 2.06 | 3/8 | 6.62 | 0.81 | 8 | 3/4 |
| mm | 209.6 | 38.1 | 127 | 117.3 | 90.7 | 52.3 | 9.5 | 168.1 | 20.6 | 19.1 | ||
| in | 4 | 10 | 1.5 | 6.19 | 5.75 | 4.57 | 2.12 | 1/2 | 7.88 | 0.81 | 8 | 3/4 |
| mm | 254 | 38.1 | 157.2 | 146.1 | 116.1 | 53.8 | 12.7 | 200.2 | 20.6 | 19.1 | ||
| in | 6 | 12.5 | 1.5 | 8.5 | 8.12 | 6.72 | 2.12 | 1/2 | 10.62 | 0.88 | 12 | 3/4 |
| mm | 317.5 | 38.1 | 215.9 | 206.2 | 170.7 | 53.8 | 12.7 | 269.7 | 22.4 | 19.1 | ||
| in | 8 | 15 | 1.62 | 10.62 | 10.25 | 8.72 | 2.44 | 1/2 | 13 | 1 | 12 | 7/8 |
| mm | 381 | 41.1 | 269.7 | 260.4 | 221.5 | 62.0 | 12.7 | 330.2 | 25.4 | 22.2 | ||
| in | 10 | 17.5 | 1.88 | 12.75 | 12.62 | 10.88 | 2.62 | 1/2 | 15.25 | 1.12 | 16 | 1 |
| mm | 444.5 | 47.8 | 323.9 | 320.5 | 276.4 | 66.5 | 12.7 | 387.4 | 28.4 | 25.4 | ||
| in | 12 | 20.5 | 2 | 15 | 14.75 | 12.88 | 2.88 | 1/2 | 17.75 | 1.25 | 16 | 1 1/8 |
| mm | 520.7 | 50.8 | 381 | 374.7 | 327.2 | 73.2 | 12.7 | 450.9 | 31.8 | 28.6 | ||
| in | 14 | 23 | 2.12 | 16.25 | 16.75 | 14.14 | 3.00 | 1/2 | 20.25 | 1.25 | 20 | 1 1/8 |
| mm | 584.2 | 53.8 | 412.8 | 425.5 | 359.2 | 76.2 | 12.7 | 514.4 | 31.8 | 28.6 | ||
| in | 16 | 25.5 | 2.25 | 18.5 | 19 | 16.16 | 3.25 | 1/2 | 22.5 | 1.38 | 20 | 1 1/4 |
| mm | 647.7 | 57.2 | 469.9 | 482.6 | 410.5 | 82.6 | 12.7 | 571.5 | 35.1 | 31.8 | ||
| in | 18 | 28 | 2.38 | 21 | 21 | 18.18 | 3.5 | 1/2 | 24.75 | 1.38 | 24 | 1 1/4 |
| mm | 711.2 | 60.5 | 533.4 | 533.4 | 461.8 | 88.9 | 12.7 | 628.7 | 35.1 | 31.8 | ||
| in | 20 | 30.5 | 2.5 | 23 | 23.12 | 20.20 | 3.75 | 1/2 | 27 | 1.38 | 24 | 1 1/4 |
| mm | 774.7 | 63.5 | 584.2 | 587.2 | 513.1 | 95.3 | 12.7 | 685.8 | 35.1 | 31.8 | ||
| in | 24 | 36 | 2.75 | 27.25 | 27.62 | 24.25 | 4.19 | 1/2 | 32 | 1.62 | 24 | 1 1/2 |
| mm | 914.4 | 69.9 | 692.2 | 701.5 | 616 | 106.4 | 12.7 | 812.8 | 41.1 | 38.1 |
(1)- Other NPT and SW connections available upon request
Welding Neck Orifice Class 300SO Flange PDF (for printing).
