| Valve function | 3/2-way, closed, monostable | ||
| Valve size | 20 mm | ||
| Operating voltage | 24V DC | ||
| Design | Piston gate valve | ||
| Approval | c UL us - Recognized (OL) | ||
| Sealing principle | Soft | ||
| Manual override | Detenting Non-detenting | ||
| Flow direction | Reversible | ||
| lap | Positive overlap | ||
| Pilot pressure | 3 bar ... 8 bar | ||
| Standard nominal flow rate with QS-10 | 310 l/min | ||
| Switching time on | 13 ms | ||
| Max. negative test pulse with 1 signal | 900 µs | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Vibration resistance | Transport application test with severity level 2 to FN 942017-4 and EN 60068-2-6 | ||
| Corrosion resistance class CRC | 1 - Low corrosion stress | ||
| Storage temperature | -20 °C ... 40 °C | ||
| Relative air humidity | Max. 90% at 40°C | ||
| Max. tightening torque for valve mounting | 0,65 Nm | ||
| Type of mounting | With through-hole | ||
| Material seals | NBR |
| Type of actuation | Electric | ||
| Standard nominal flow rate | 310 l/min | ||
| Operating pressure | -0,9 bar ... 10 bar | ||
| Type of reset | Pneumatic spring | ||
| Degree of protection | IP65 To IEC 60529 | ||
| Mounting position | optional | ||
| Type of piloting | Pilot actuated | ||
| Symbol | 991.175 | ||
| Signal status display | yes | ||
| Suitability for vacuum | yes | ||
| Switching time off | 22 ms | ||
| Max. positive test pulse with 0 signal | 400 µs | ||
| Permissible voltage fluctuations | +/- 25% | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Shock resistance | Shock test with severity level 2 to FN 942017-5 and EN 60068-2-27 | ||
| LABS (PWIS) conformity | VDMA24364-B1/B2-L | ||
| Media temperature | -5 °C ... 50 °C | ||
| Ambient temperature | -5 °C ... 50 °C | ||
| Product weight | 100 g | ||
| Note on materials | RoHS-compliant | ||
| Material housing | Die-cast aluminium |
