Norval by Pietro Fiorentini is a direct-operated gas pressure regulator. Suitable for use with previously filtered gaseous fluids, it is mainly used for medium and low pressure natural gas distribution networks. It is classified as Fail Open according to the European Standard EN 334.
| P inlet (bar) | |||||
|---|---|---|---|---|---|
| m3/h | 0,3 | 1 | 2 | 4 | |
P outlet (mbar) | 21 | 670 | 1000 | 1200 | 1200 |
| 100 | 600 | 1300 | 2000 | 1850 | |
| 300 | - | 1200 | 2000 | 3200 | |
| 1000 | - | - | 1800 | 3400 | |
| MODEL | DIAMETER | P outlet (mbar) |
|---|---|---|
| NORVAL 50 | DN 50 | 8 - 4440 mbar |
| P inlet (bar) | |||||
|---|---|---|---|---|---|
| m3/h | 0,3 | 1 | 2 | 4 | |
P outlet (mbar) | 21 | 1700 | 2900 | 5000 | 5000 |
| 100 | 1500 | 3000 | 4595 | 5450 | |
| 300 | - | 3100 | 5200 | 7400 | |
| 1000 | - | - | 3985 | 7000 | |
| MODEL | DIAMETER | P outlet (mbar) |
|---|---|---|
| NORVAL 80 | DN 80 | 8 - 4440 mbar |