BS 10 Table D Flange
BS 10 Table D Flange
The BS 10 Table D Flange is a widely used piping component designed to connect pipes, valves, pumps, and other equipment to form a complete pipeline system. Adhering to the British Standard BS 10, this flange is particularly valued in industries requiring moderate pressure applications, such as plumbing, waterworks, and industrial systems.
BS 10 Table D Flange Dimensions
| N.B. SIZE | D | K | L | A | C | N1 | N2 | B | H1 | H2 | R1 | R2 | HOLES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IN | mm | |||||||||||||
| ½” | 15 | 95.3 | 66.8 | 14.5 | 21.3 | 4.8 | 27 | 33.3 | 22.4 | 9.5 | 22.2 | 6.4 | 1.6 | 4 |
| ¾” | 20 | 101.6 | 73.2 | 14.5 | 26.7 | 4.8 | 33.3 | 38.1 | 27.7 | 11.1 | 22.2 | 6.4 | 1.6 | 4 |
| 1″ | 25 | 114.3 | 82.6 | 14.5 | 33.5 | 4.8 | 42.9 | 47.6 | 34.6 | 11.1 | 22.2 | 6.4 | 1.6 | 4 |
| 1 ¼” | 32 | 120.7 | 87.4 | 14.5 | 42.2 | 6.4 | 49.2 | 55.6 | 43.2 | 11.1 | 25.4 | 6.4 | 1.6 | 4 |
| 1 ½” | 40 | 133.4 | 98.6 | 14.5 | 48.3 | 6.4 | 58.7 | 61.9 | 49.5 | 12.7 | 28.6 | 6.4 | 1.6 | 4 |
| 2″ | 50 | 152.4 | 114.3 | 17.5 | 60.5 | 7.9 | 69.9 | 74.6 | 62 | 12.7 | 28.6 | 6.4 | 1.6 | 4 |
| 2 ½” | 65 | 165.1 | 127 | 17.5 | 73.2 | 7.9 | 82.6 | 90.5 | 74.7 | 15.9 | 31.8 | 6.4 | 1.6 | 4 |
| 3″ | 80 | 184.2 | 146.1 | 17.5 | 88.9 | 9.7 | 101.6 | 106.4 | 90.7 | 15.9 | 34.9 | 6.4 | 1.6 | 4 |
| 3 ½” | 88 | 203.2 | 165.1 | 17.5 | 101.6 | 9.7 | 114.3 | 119.1 | 103.4 | 17.5 | 34.9 | 6.4 | 1.6 | 4 |
| 4″ | 100 | 215.9 | 177.8 | 17.5 | 114.3 | 9.7 | 130.2 | 133.4 | 116.1 | 19.1 | 41.3 | 9.5 | 3.2 | 4 |
| 5″ | 125 | 254 | 209.6 | 17.5 | 141.2 | 12.7 | 152.4 | 160.3 | 143.8 | 19.1 | 44.5 | 9.5 | 3.2 | 8 |
| 6″ | 150 | 279.4 | 235 | 17.5 | 168.4 | 12.7 | 184.2 | 185.7 | 171.7 | 19.1 | 47.6 | 9.5 | 3.2 | 8 |
| 8″ | 200 | 336.6 | 292.1 | 17.5 | 219.2 | 12.7 | 241.3 | 241.3 | 221.5 | 22.2 | 50.8 | 9.5 | 3.2 | 8 |
| 10″ | 250 | 406.4 | 355.6 | 22.2 | 273.1 | 16 | 292.1 | 298.5 | 276.4 | 27 | 63.5 | 9.5 | 3.2 | 8 |
| 12″ | 300 | 457.2 | 406.4 | 22.2 | 323.9 | 19.1 | 342.9 | 349.3 | 325.9 | 28.6 | 69.9 | 9.5 | 4.8 | 12 |
| 14″ | 350 | 527.1 | 469.9 | 25.4 | 355.6 | 22.2 | 406.4 | – | 359.2 | – | 73 | 9.5 | 4.8 | 12 |
| 16″ | 400 | 577.9 | 520.7 | 25.4 | 406.4 | 22.2 | – | – | 410.5 | – | – | – | – | 12 |
| 18″ | 450 | 641.4 | 584.2 | 25.4 | 457.2 | 25.4 | – | – | 461.8 | – | – | – | – | 12 |
| 20″ | 500 | 704.9 | 641.4 | 25.4 | 508 | 28.6 | – | – | 513.1 | – | – | – | – | 16 |
| 24″ | 600 | 825.5 | 755.7 | 28.7 | 609.6 | 31.8 | – | – | 616 | – | – | – | – | 16 |
