| Valve function | 2x3/2-way, monostable, closed | ||
| Standard nominal flow rate | 300 l/min | ||
| Operating voltage | 24V DC | ||
| Design | Piston gate valve | ||
| Nominal size | 5 mm | ||
| Manual override | Non-detenting | ||
| Pilot air supply | External | ||
| Symbol | 991.809 | ||
| Pilot pressure | 3 bar ... 8 bar | ||
| C value | 1,4 l/sbar | ||
| Switching time on | 10 ms | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Media temperature | -5 °C ... 50 °C | ||
| Product weight | 210 g | ||
| Pilot exhaust port 82/84 | Sub-base | ||
| Pneumatic connection, port 2 | Sub-base | ||
| Pneumatic connection, port 4 | Sub-base | ||
| Note on materials | RoHS-compliant | ||
| Material housing | Die-cast aluminium |
| Type of actuation | Electric | ||
| pneumatic working port | Sub-base | ||
| Operating pressure | 3 bar ... 10 bar | ||
| Type of reset | Pneumatic spring | ||
| Sealing principle | Soft | ||
| Type of piloting | Pilot actuated | ||
| Flow direction | Non-reversible | ||
| Note on forced dynamization | Switching frequency min. 1/month | ||
| b value | 0,14 | ||
| Switching time off | 22 ms | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 3 - high corrosion stress | ||
| Ambient temperature | -5 °C ... 50 °C | ||
| Type of mounting | Screw-in | ||
| Pneumatic connection, port 1 | Sub-base | ||
| Pneumatic connection, port 3 | Sub-base | ||
| Pneumatic connection, port 5 | Sub-base | ||
| Material seals | NBR TPE-O |
