| model | volume (L) | Nominal diameter (mm) | Nominal pressure in kettle (Mpa) | Nominal pressure in jacket (Mpa) |
| FK100 | 100 | 500 |
0.25-0.5 |
0.25 |
| FK200 | 200 | 600 | ||
| FK500 | 500 | 800 | ||
| FK1000 | 1000 | 1000 | ||
| FK1500 | 1500 | 1200 | ||
| FK2000 | 2000 | 1200 | ||
| FK2500 | 2500 | 1400 | ||
| FK3000 | 3000 | 1400 | ||
| FK4000 | 4000 | 1500 | ||
| FK5000 | 5000 | 1600 |