THFF
| NOMINAL PIPE SIZE | OUTSIDE DIA. (MM) | DIA.OFBORE (MM) | THICKNESS MIN (MM) | LENGTH THRU HUB (MM) | THREAD LENGTH | DIA. AT BASE OF HUB (MM) | DIA. OF BORE (MM) | NUMBER OF HOLES | DIA. OF HOLES (MM) | DIA. OF BOLT CIRCLE (MM) | APPROX. WEIGHT (KG) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | do | t | H | T | M | do | h | C | |||
| 1/2" | 95.3 | 23.6 | 14.2 | 22.4 | 15.7 | 38.1 | 23.6 | 4 | 15.7 | 66.5 | 0.8 |
| 3/4" | 117.3 | 29.0 | 15.7 | 25.4 | 15.7 | 47.8 | 29.0 | 4 | 19.1 | 82.6 | 1.3 |
| 1" | 124.0 | 35.8 | 17.5 | 26.9 | 17.5 | 53.8 | 35.8 | 4 | 19.1 | 88.9 | 1.6 |
| 1.1/4" | 133.4 | 44.4 | 20.6 | 28.4 | 20.6 | 63.5 | 44.5 | 4 | 19.1 | 98.6 | 2.1 |
| 1.1/2" | 155.4 | 50.5 | 22.4 | 31.8 | 22.4 | 69.9 | 50.5 | 4 | 22.4 | 114.3 | 3.0 |
| 2" | 165.1 | 63.5 | 35.4 | 36.6 | 28.4 | 84.1 | 63.5 | 8 | 19.1 | 127.0 | 3.7 |
| 2.1/2" | 190.5 | 76.2 | 28.4 | 41.1 | 31.8 | 100.1 | 76.2 | 8 | 22.4 | 149.4 | 5.3 |
| 3" | 209.6 | 92.2 | 31.8 | 46.0 | 35.1 | 117.3 | 92.2 | 8 | 22.4 | 168.1 | 7.0 |
| 3.1/2" | 228.6 | 104.9 | 35.1 | 49.3 | 39.6 | 133.4 | 104.9 | 8 | 25.4 | 184.2 | 8.9 |
| 4" | 273.1 | 117.6 | 38.1 | 53.8 | 41.1 | 152.4 | 117.6 | 8 | 25.4 | 215.9 | 15 |
| 5" | 330.2 | 144.5 | 44.5 | 60.5 | 47.8 | 189.0 | 144.5 | 8 | 28.4 | 266.7 | 25 |
| 6" | 355.6 | 171.4 | 47.8 | 66.5 | 50.8 | 222.3 | 171.5 | 12 | 28.4 | 292.1 | 29 |
| 8" | 419.1 | 222.2 | 55.36 | 76.2 | 57.2 | 273.1 | 222.3 | 12 | 31.8 | 349.3 | 44 |
| 10" | 508.0 | 276.3 | 63.5 | 85.9 | 65.0 | 342.9 | 276.4 | 16 | 35.1 | 431.8 | 71 |
| 12" | 558.8 | 328.7 | 66.5 | 91.9 | 69.9 | 400.1 | 328.7 | 20 | 35.1 | 489.0 | 85 |
| 14" | 603.3 | 360.4 | 69.9 | 93.7 | 73.2 | 431.8 | 360.4 | 20 | 38.1 | 527.1 | 99 |
| 16" | 685.8 | 411.2 | 76.2 | 106.4 | 77.7 | 495.3 | 411.2 | 20 | 41.1 | 603.3 | 142 |
| 18" | 743.0 | 462.0 | 82.6 | 117.3 | 79.2 | 546.1 | 462.0 | 20 | 44.5 | 654.1 | 173 |
| 20" | 812.8 | 512.8 | 88.9 | 127.0 | 82.6 | 609.6 | 512.8 | 24 | 44.5 | 723.9 | 220 |
| 24" | 939.8 | 614.4 | 101.6 | 139.7 | 91.9 | 717.6 | 614.4 | 24 | 50.8 | 838.2 | 312 |