| Nominal Pipe Size | Outside Diameter of Flange | Diameter of Raised Face | Thickness of Flanges Min. | Diameter of Hub | Length Through Hub | Thread Length Threaded Min. | Bore | Diameter of Bolt Circle | Diameter of Bolt Holes | Number of Bolts | Approximate Weight kgs |
| NPS | O | R | tf | X | Y | T | B | W | I | n | |
| 1/2 | 90 | 34.9 | 9.6 | 30 | 14 | 16 | 22.2 | 60.3 | 15.9 | 4 | 0.41 |
| 3/4 | 100 | 42.9 | 11.2 | 38 | 14 | 16 | 27.7 | 69.9 | 15.9 | 4 | 0.59 |
| 1 | 110 | 50.8 | 12.7 | 49 | 16 | 17 | 34.5 | 79.4 | 15.9 | 4 | 0.82 |
| 1 1/4 | 115 | 63.5 | 14.3 | 59 | 19 | 21 | 43.2 | 88.9 | 15.9 | 4 | 0.99 |
| 1 1/2 | 125 | 73.0 | 15.9 | 65 | 21 | 22 | 49.5 | 98.4 | 15.9 | 4 | 1.28 |
| 2 | 150 | 92.1 | 17.5 | 78 | 24 | 25 | 61.9 | 120.7 | 19.1 | 4 | 2.01 |
| 2 1/2 | 180 | 104.8 | 20.7 | 90 | 27 | 29 | 74.6 | 139.7 | 19.1 | 4 | 3.41 |
| 3 | 190 | 127.0 | 22.3 | 108 | 29 | 30 | 90.7 | 152.4 | 19.1 | 4 | 3.88 |
| 3 1/2 | 215 | 139.7 | 22.3 | 122 | 30 | 32 | 103.4 | 177.8 | 19.1 | 8 | 4.80 |
| 4 | 230 | 157.2 | 22.3 | 135 | 32 | 33 | 116.1 | 190.5 | 19.1 | 8 | 5.45 |
| 5 | 255 | 185.7 | 22.3 | 164 | 35 | 36 | 143.8 | 215.9 | 22.2 | 8 | 6.22 |
| 6 | 280 | 215.9 | 23.9 | 192 | 38 | 40 | 170.7 | 241.3 | 22.2 | 8 | 7.57 |
| 8 | 345 | 269.9 | 27.0 | 246 | 43 | 44 | 221.5 | 298.5 | 22.2 | 8 | 12.42 |
| 10 | 405 | 323.8 | 28.6 | 305 | 48 | 49 | 276.2 | 362.0 | 25.4 | 12 | 16.47 |
| 12 | 485 | 381.0 | 30.2 | 365 | 54 | 56 | 327.0 | 431.8 | 25.4 | 12 | 26.80 |
| 14 | 535 | 412.8 | 33.4 | 400 | 56 | 57 | 359.2 | 476.3 | 28.6 | 12 | 35.21 |
| 16 | 595 | 469.9 | 35.0 | 457 | 62 | 64 | 410.5 | 539.8 | 28.6 | 16 | 44.61 |
| 18 | 635 | 533.4 | 38.1 | 505 | 67 | 68 | 461.8 | 577.9 | 31.8 | 16 | 49.19 |
| 20 | 700 | 584.2 | 41.3 | 559 | 71 | 73 | 513.1 | 635.0 | 31.8 | 20 | 62.62 |
| 24 | 815 | 692.2 | 46.1 | 663 | 81 | 83 | 616.0 | 749.3 | 34.9 | 20 | 88.23 |
Threaded Flanges can be used in very high pressure services and their major advantage is that they can be assembled without welding.Requirements are valid for normal case, in special case you have to contact the technical department.
Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.
