DUNGS FRU Series
The DUNGS pressure regulator, type FRU, is a circulation regulator with adjustable setpoint spring. The pressure regulator complies with EN 88-1. The DUNGS pressure regulator, type FRU, limits the output pressure of a booster to the set value (response pressure)when consumption fluctuates. It does not contain any non-ferrous metals and is suitable for gases up to max. 0.1 vol.% H2 S, dry. Suitable for gases of families 1, 2, 3 and other neutral gaseous media.
- Input pressures up to 150 mbar (15 kPa)
- Highflowrate
- Sturdy, precise and sensitive regulation of regulator input pressure (response pressure)
- Inlet pressure compensation diaphragms
- Safety diaphragms
- External pulse as standard
- Rp 1/2 – Rp 2 threaded connection
- DN40-DN100 flange connection
| Model Type | Pmax. [mbar] | DN/Rp |
| FRU 505 | 500mbar | Rp 1/2 |
| FRU 507 | 500mbar | Rp 3/4 |
| FRU 510 | 500mbar | Rp 1 |
| FRU 515 | 500mbar | Rp 1 1/2 |
| FRU 520 | 500mbar | Rp 2 |
| FRU 5040 | 500mbar | DN 40 |
| FRU 5050 | 500mbar | DN 50 |
| FRU 5065 | 500mbar | DN 65 |
| FRU 5080 | 500mbar | DN 80 |
| FRU 5100 | 500mbar | DN 100 |
* * For other configurations and spare parts, please consult JATI







