| Valve function | 5/3 closed | ||
| Construction width | 10 mm | ||
| pneumatic working port | QS-6 | ||
| Operating pressure | -0,9 bar ... 10 bar | ||
| Type of reset | Mechanical spring | ||
| Maritime classification | See certificate | ||
| Nominal size | 4 mm | ||
| Sealing principle | Soft | ||
| Manual override | Detenting via accessory Non-detenting | ||
| Pilot air supply | External | ||
| Symbol | 991.020 | ||
| lap | Positive overlap | ||
| Switching time off | 20 ms | ||
| Duty cycle | 100% in conjunction with holding current reduction | ||
| Max. negative test pulse with 1 signal | 900 µs | ||
| Permissible voltage fluctuations | -15%/+10% | ||
| 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 | ||
| Media temperature | -5 °C ... 50 °C | ||
| Ambient temperature | -5 °C ... 50 °C | ||
| Type of mounting | With through-hole | ||
| Pilot exhaust port 84 | M3 | ||
| Pilot air port 14 | M3 | ||
| Pneumatic connection, port 2 | QS-6 | ||
| Pneumatic connection, port 4 | QS-6 | ||
| Note on materials | RoHS-compliant | ||
| Material housing | Die-cast aluminium |
| Type of actuation | Electric | ||
| Standard nominal flow rate | 300 l/min | ||
| Operating voltage | 24V DC | ||
| Design | Piston gate valve | ||
| Approval | c UL us - Recognized (OL) | ||
| Degree of protection | IP65 With plug socket To IEC 60529 | ||
| Exhaust-air function | With flow control option | ||
| Mounting position | optional | ||
| Type of piloting | Pilot actuated | ||
| Flow direction | Reversible | ||
| Valve position code | Inscription label holder | ||
| Pilot pressure | 3 bar ... 8 bar | ||
| Switching time on | 16 ms | ||
| Max. positive test pulse with 0 signal | 1.200 µs | ||
| Characteristic coil data | 24 V DC: 1.28 W | ||
| 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 | 2 - Moderate corrosion stress | ||
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Electrical connection | 2-pin | ||
| Pilot exhaust port 82 | M3 | ||
| Pilot air port 12 | M3 | ||
| Pneumatic connection, port 1 | QS-6 | ||
| Pneumatic connection, port 3 | M7 | ||
| Pneumatic connection, port 5 | M7 | ||
| Material seals | NBR |
