| Model | CS8 | Pressure Reducing Regulators |
| Output Pressure Construction | 0 | Low Pressure Applications (Outlet Pressure: 3.5 to 30 in. w.c. / 9 to 75 mbar) |
| Overpressure Protection Module | 0 | Without Overpressure Protection Module |
| Pressure Registration | I | Internal Registration |
| Relief | R | Internal Relief |
| 6 | ||
| E |