American threaded half-coupling is tubular pipe fitting with threaded connection at one side and plain end at the other side, and it is used to join two pipes of same size at the same axis.
Available size
| Size | Class 3000, D (mm) | Class 6000, D (mm) | End to end W/2 (mm) | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 28 | 38 | 24 | N4301 |
| 3/4″ / DN20 / 26.7mm | 35 | 44 | 26 | N4302 |
| 1″ / DN25 / 33.4mm | 44 | 57 | 30 | N4303 |
| 1-1/4″ / DN32 / 42.2mm | 57 | 64 | 34 | N4304 |
| 1-1/2″ / DN40 / 48.3mm | 64 | 76 | 40 | N4305 |
| 2″ / DN50 / 60.3mm | 76 | 92 | 43 | N4306 |
| 2-1/2″ / DN65 / 73.0mm | 92 | 108 | 46 | N4307 |
| 3″ / DN80 / 88.9mm | 108 | 127 | 54 | N4308 |
| 4″ / DN100 / 114.3mm | 140 | 159 | 61 | N4309 |
