THFF
| NOMINAL PIPE SIZE | OUTSIDE DIA.(MM) | DIA. OF BORE | THICKNESS MIN (MM) | LENGTH THRU HUB (MM) | THREAD LENGTH | DIA. AT BASE OF HUB (MM) | NUMBER OF BOLT HOLES | DIA. OF HOLES(MM) | DIA. OF BOLT CIRCLE (MM) | APPROX WEIGHT(KG) |
|---|---|---|---|---|---|---|---|---|---|---|
| D | do | t | H | T | M | h | C | |||
| 1/2" | 120.6 | 23.6 | 22.3 | 31.7 | 22.3 | 38.1 | 4 | 22.3 | 82.5 | 1.8 |
| 3/4" | 130.0 | 29.0 | 25.4 | 35.0 | 25.4 | 44.4 | 4 | 22.3 | 88.9 | 2.3 |
| 1" | 149.3 | 35.8 | 28.4 | 41.1 | 28.4 | 52.3 | 4 | 25.4 | 101.6 | 3.6 |
| 1.1/4" | 158.7 | 44.4 | 28.4 | 41.1 | 30.2 | 63.5 | 4 | 25.4 | 111.2 | 4.1 |
| 1.1/2" | 177.8 | 50.5 | 31.7 | 44.5 | 31.8 | 69.8 | 4 | 28.4 | 123.9 | 5.4 |
| 2" | 215.9 | 63.5 | 38.1 | 57.1 | 38.1 | 104.6 | 8 | 25.4 | 165.1 | 10 |
| 2.1/2" | 244.3 | 76.2 | 41.1 | 63.5 | 47.7 | 123.9 | 8 | 28.4 | 190.5 | 14 |
| 3" | 241.3 | 92.2 | 38.1 | 53.8 | 41.1 | 127.0 | 8 | 25.4 | 190.5 | 12 |
| 4" | 292.1 | 117.6 | 44.4 | 69.8 | 47.8 | 158.7 | 8 | 31.7 | 234.9 | 20 |
| 5" | 349.2 | 144.5 | 50.8 | 79.2 | 53.8 | 190.5 | 8 | 35.0 | 279.4 | 32 |
| 6" | 381.0 | 171.4 | 55.6 | 85.8 | 57.1 | 234.9 | 12 | 31.7 | 317.5 | 42 |
| 8" | 469.9 | 222.2 | 63.5 | 101.6 | 63.5 | 298.4 | 12 | 38.1 | 393.7 | 71 |
| 10" | 546.1 | 276.3 | 69.8 | 107.9 | 71.4 | 368.3 | 16 | 38.1 | 469.9 | 101 |
| 12" | 609.6 | 328.7 | 79.4 | 117.3 | 76.2 | 419.1 | 20 | 38.1 | 533.4 | 133 |
| 14" | 641.3 | 360.4 | 85.7 | 130.0 | 82.5 | 450.8 | 20 | 41.3 | 558.8 | 153 |
| 16" | 704.8 | 411.2 | 88.9 | 133.3 | 85.9 | 508.0 | 20 | 44.4 | 618.9 | 185 |
| 18" | 787.4 | 462.0 | 101.6 | 152.4 | 88.9 | 565.1 | 20 | 50.8 | 685.8 | 258 |
| 20" | 857.2 | 512.8 | 107.9 | 158.7 | 91.9 | 622.3 | 20 | 54.0 | 749.3 | 317 |
| 24" | 1041.4 | 614.4 | 139.7 | 203.2 | 101.6 | 749.3 | 20 | 66.5 | 901.7 | 606 |