| Valve size | 31 mm | ||
| Valve function | 5/3 closed | ||
| Material piston slide | Wrought aluminium alloy | ||
| Material seals | HNBR NBR | ||
| Pneumatic connection, port 5 | G3/8 | ||
| Pneumatic connection, port 3 | G3/8 | ||
| Pneumatic connection, port 1 | G3/8 | ||
| Pilot exhaust port 82 | M5 | ||
| Type of mounting | On manifold rail With through-hole Either: | ||
| Product weight | 562 g | ||
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Vibration resistance | Transport application test with severity level 2 to FN 942017-4 and EN 60068-2-6 | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Characteristic coil data | 24 V DC: 3.3 W | ||
| Max. positive test pulse with 0 signal | 2.000 µs | ||
| Switching time reversal | 39 ms | ||
| Switching time off | 76 ms | ||
| b value | 0,4 | ||
| Symbol | 991.033 | ||
| Pilot air supply | Internal | ||
| Manual override | Detenting Non-detenting | ||
| Sealing principle | Soft | ||
| Nominal size | 8,9 mm | ||
| Certificate issuing authority | DNVGL-TAA000011J | ||
| Approval | c UL us - Recognized (OL) | ||
| Design | Piston gate valve | ||
| Operating voltage | 24V DC | ||
| Standard nominal flow rate | 2.000 l/min |
| Type of actuation | Electric | ||
| Material screws | Nickel-plated steel | ||
| Material housing | Die-cast aluminium Painted | ||
| Note on materials | RoHS-compliant | ||
| Pneumatic connection, port 4 | G3/8 | ||
| Pneumatic connection, port 2 | G3/8 | ||
| Pilot exhaust port 84 | M5 | ||
| Breather connection | Not ducted | ||
| Electrical connection | Type B To industry standard (11 mm) | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| Media temperature | -10 °C ... 60 °C | ||
| Shock resistance | Shock test with severity level 2 to FN 942017-5 and EN 60068-2-27 | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Permissible voltage fluctuations | +/- 10 % | ||
| Max. negative test pulse with 1 signal | 3.600 µs | ||
| Duty cycle | 100% | ||
| Switching time on | 17 ms | ||
| C value | 8,9 l/sbar | ||
| lap | Positive overlap | ||
| Flow direction | Non-reversible | ||
| Type of piloting | Pilot actuated | ||
| Mounting position | optional | ||
| Exhaust-air function | With flow control option | ||
| Degree of protection | IP65 With plug socket To IEC 60529 | ||
| Maritime classification | See certificate | ||
| Type of reset | Mechanical spring | ||
| Operating pressure | 2,5 bar ... 10 bar | ||
| pneumatic working port | G3/8 |
