Part# & Thread Size
| TC – 14 | 1/4” NPS |
| TC – 38 | 3/8” NPS |
| TC – 12 | 1/2” NPS |
| TC – 34 | 3/4” NPS |
Our Giant Button Head Fittings are Double Ball Check for Added Safety including our D Series & TC Series.
We STOCK all of the Giant Button Head Fittings for Rockwell, Nordstrom, ACF, Walworth & Halliburton Plug valves.
MELANCON
Fitting Conversion Chart for most Lubricated Plug Valves
| Valve Size | Rockwell or Nordstrom | Walworth | ||
| D – Series | TC – Series | D – Series | TC – Series | |
| 1/2” thru 1-1/2″ | D-14 | TC-14 | D-14 | TC-14 |
| 2” – Fig. 142 & 143 | D-14 | TC-14 | N/A | N/A |
| 2” | D-38 | TC-38 | D-14 | TC-14 |
| 2-1/2” | D-38 | TC-38 | D-38 | TC-38 |
| 3” | D-12 | TC-12 | D-38 | TC-38 |
| 4” | D-12 | TC-12 | D-12 | TC-12 |
| 6” | D-34 | TC-34 | D-12 | TC-12 |
| 8” | D-34 | TC-34 | D-12 | TC-12 |
| 10” and above. | D-34 | TC-34 | D-34 | TC-34 |
