| Valve function | 4/3 exhausted | ||
| Standard nominal flow rate | 125 l/min | ||
| Operating pressure | 0 bar ... 8 bar | ||
| Nominal size | 4 mm | ||
| Type of piloting | Pilot actuated | ||
| Symbol | 991.329 | ||
| Pneumatic connection, port 2 | M5 |
| Type of actuation | Manual | ||
| pneumatic working port | M5 | ||
| Type of reset | Mechanical spring | ||
| Sealing principle | Soft | ||
| Flow direction | Non-reversible | ||
| Pneumatic connection, port 1 | M5 | ||
| Pneumatic connection, port 3 | Not ducted |
