| Type of actuation | Electric | ||
| Material housing | Die-cast aluminium | ||
| Note on materials | RoHS-compliant | ||
| Pneumatic connection, port 4 | G1/8 | ||
| Pneumatic connection, port 2 | G1/8 | ||
| Pilot exhaust port 84 | M5 | ||
| Electrical connection | Via F coil, to be ordered separately | ||
| Ambient temperature | -5 °C ... 40 °C | ||
| Storage temperature | -40 °C ... 60 °C | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Max. negative test pulse with 1 signal | 3.700 µs | ||
| Switching time on | 27 ms | ||
| Max. switching frequency | 3 Hz | ||
| Symbol | 991.023 | ||
| Pilot air supply | Internal | ||
| Manual override | Non-detenting | ||
| Sealing principle | Soft | ||
| Type of reset | Pneumatic spring | ||
| Operating pressure | 3 bar ... 10 bar | ||
| Standard nominal flow rate | 1.000 l/min |
| Valve function | 5/2-way, monostable | ||
| Material seals | NBR | ||
| Pneumatic connection, port 5 | G1/8 | ||
| Pneumatic connection, port 3 | G1/8 | ||
| Pneumatic connection, port 1 | G1/8 | ||
| Type of mounting | On PR rail With through-hole Either: | ||
| Product weight | 280 g | ||
| Media temperature | -10 °C ... 60 °C | ||
| Corrosion resistance class CRC | 1 - Low corrosion stress | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Max. positive test pulse with 0 signal | 2.200 µs | ||
| Switching time off | 22 ms | ||
| lap | Positive overlap | ||
| Flow direction | Non-reversible | ||
| Type of piloting | Pilot actuated | ||
| Mounting position | optional | ||
| Nominal size | 8 mm | ||
| Design | Piston gate valve | ||
| pneumatic working port | G1/8 | ||
| Construction width | 26 mm |
