Festo AG & Co. KG
536028
pneumatic valve
VL/O-3-1/8-B-EX
Depending on the choice of connection, normally-open or normally-closed function.
The valve can be used for vacuum when connected up to provide a normally-closed function (vacuum connected to port P1).
More detailed information about this product!
Festo Data sheet
| Criterion | Feature |
| Valve function | 3/2 open/closed, monostable |
| Type of actuation | pneumatic |
| Width | 26 mm |
| Standard nominal flow rate | 500 l/min |
| Operating pressure MPa | -0,095 - 1 MPa |
| Operating pressure | -0,95 - 10 bar |
| Design structure | Poppet seat |
| Type of reset | mechanical spring |
| Protection class | IP65 |
| CE mark (see declaration of conformity) | to EU directive explosion protection (ATEX) |
| ATEX category Gas | II 2G |
| ATEX category Dust | II 2D |
| Explosion ignition protection type Gas | Ex h IIC T4 Gb |
| Explosion ignition protection type Dust | Ex h IIIC T130°C Db |
| Explosion-proof ambient temperature | -10°C <= Ta <= +60°C |
| Nominal size | 5 mm |
| Grid dimension | 27 mm |
| Exhaust-air function | throttleable |
| Sealing principle | soft |
| Assembly position | Any |
| Type of piloting | direct |
| Pilot air supply | external |
| Flow direction | reversible |
| Overlap | Underlap |
| Pilot pressure MPa | 0,1 - 1 MPa |
| Pilot pressure | 1 - 10 bar |
| Max. switching frequency | 12 Hz |
| Switching time off | 10 ms |
| Switching time on | 4 ms |
| Max. positive test pulse with logic 0 | 2200 µs |
| Max. negative test pulse with logic 1 | 3700 µs |
| Operating medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
| Note on operating and pilot medium | Lubricated operation possible (subsequently required for further operation) |
| Corrosion resistance classification CRC | 1 - Low corrosion stress |
| Storage temperature | -20 - 60 °C |
| Medium temperature | -10 - 60 °C |
| Pilot medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
| Ambient temperature | -10 - 60 °C |
| Product weight | 150 g |
| Mounting type | On PR manifold with through hole Optional |
| Scavenging orifice connection | M5 |
| Pilot air connection: 110 | G1/8 |
| Pneumatic connection, port 1 | G1/8 |
| Pneumatic connection, 11 | G1/8 |
| Pneumatic connection, port 2 | G1/8 |
| Pneumatic connection, port 3 | G1/8 |
| Pneumatic connection, 33 | G1/8 |
| Materials note | Conforms to RoHS |
| Material seals | NBR |
| Material housing | Aluminium die cast |
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