One end of the fitting is a press-fit connection, and the other end is a female threaded connection, mainly used for connecting pipes of the same nominal diameter with external components that have male threads.
| NO. | Size | External Dia.(mm×in.) | Thickness(mm) |
| 1 | 1/2"×Rp1/2 | 18×1/2 | 1.5 |
| 2 | 1/2"×Rp3/4 | 18×3/4 | 1.5 |
| 3 | 3/4"×Rp1/2 | 22×1/2 | 1.5 |
| 4 | 3/4"×Rp3/4 | 22×3/4 | 1.5 |
| 5 | 1"×Rp1/2 | 28×1/2 | 1.5 |
| 6 | 1"×Rp3/4 | 28×3/4 | 1.5 |
| 7 | 1"×Rp1 | 28×1 | 1.5 |
| 8 | 1 1/4"×Rp1 | 35×1 | 1.5 |
| 9 | 1 1/4"×Rp1 1/4 | 35×1 1/4 | 1.5 |
| 10 | 1 1/2"×Rp1 1/4 | 42×1 1/4 | 1.5 |
| 11 | 1 1/2"×Rp1 1/2 | 42×1 1/2 | 1.5 |
| 12 | 2"×Rp1 1/2 | 54×1 1/2 | 1.5 |
| 13 | 2"×Rp2 | 54×2 | 1.5 |
