WELD FLANGE | MODEL | U | B/N | TYPE | |
 | TWF – 04 | 7-16″-20 | 3/4 in | Threaded | |
| TWF – 06 | 9-16″-18 | 1 in | Threaded | ||
| TWF – 08 | 3-4″-16 | 1-1/4 in | Threaded | ||
| TWF – 12 | 1-1/16″-12 | 1-1/2 in | Threaded | ||
| TWF – 16 | 1-5/16″-12 | 2 in | Threaded | ||
| TWF – 20 | 1-5/8″-12 | 2-1/2 in | Threaded | ||
| TWF – 24 | 1-7/8″-12 | 3/4 in | Threaded | ||
| TWF – 32 | 2-1/2″-12 | 3/4 in | Threaded | ||
| TWF – 48 | 3- 3/8 “-12 | 3 in | Threaded |