Fine regulator
| Model | Series Name | Category |
| PMP202/PMP402 | Fine Regulator (Pilot Operated) | |
| PMM20 | Fine Regulator (Manual Type) | |
| PMM50 | Fine Regulator (Manual Type) | |
| PYM | Fine Regulator (Manual Type) |
| Model | Series Name | Category |
| PMP202/PMP402 | Fine Regulator (Pilot Operated) | |
| PMM20 | Fine Regulator (Manual Type) | |
| PMM50 | Fine Regulator (Manual Type) | |
| PYM | Fine Regulator (Manual Type) |