Coupolet - 300# Female Threaded, ANSI, FCS (in)
- These fittings are used with fire protection sprinklers and other low pressure piping systems.
- Threads in accordance with ANSI/ASME B1.20.1
| Outlet Size (NPS) | A | B | C |
|---|---|---|---|
| 1/2 | 15/16 | 0.745 | 1.188 |
| 3/4 | 1 | 0.958 | 1.441 |
| 1 | 1 3/16 | 1.188 | 1.562 |
| 1 1/4 | 1 5/16 | 1.550 | 1.906 |
| 1 1/2 | 1 9/16 | 1.780 | 2.188 |
| 2 | 1 11/16 | 2.260 | 2.750 |
| 2 1/2 | 1 13/16 | 2.890 | 3.386 |
| 3 | 2 1/2 | 3.400 | 4.000 |
| 4 | 3 | 4.380 |
5.000 |
Interchangeablity or Combination of Size
| Outlet Size (NPS) | Run Sizes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 1/2 | 3/4 | 1 1/4 -1 | 8-3 | 36-10 | - | - | - | - | - |
| 3/4 | 3/4 | 1 | 2 - 1 1/4 | 36-8 | - | - | - | - | - | - |
| 1 | 1 | 1 1/4 | 2 - 1 1/2 | 8-5 | 36-10 | - | - | - | - | - |
| 1 1/4 | 1 1/4 | 1 1/2 | 2 1/2 - 2 | 8-5 | 36-10 | - | - | - | - | - |
| 1 1/2 | 1 1/2 | 2 | 2 1/2 | 8-5 | 16-10 | 36-18 | - | - | - | - |
| 2 | 2 | 2 1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 16-12 | 36-18 |
| 2 1/2 | 2 1/2 | 3 | 3 1/2 | 5 | 6 | 8 | 12-10 | 16-14 | 36-18 | - |
| 3 | 3 | 3 1/2 | 4 | 6 | 8 | 10 | 12 | 14 | 18-16 | 36-20 |
| 4 | 5 | 6 | 8 | 14-12 | 16 | 18 | 20 | 24 | 36 | - |