Festo AG & Co. KG
8067144
vacuum generator
VABF-S4-2-V2B1-G38-CB-VL-20-AP
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Festo Data sheet
| Criterion | Feature |
| Width | 35 mm |
| Nominal size, Laval nozzle | 2 mm |
| Design, silencer | open |
| Type of actuation | electrical |
| Polarity protected | for all electrical connections |
| Assembly position | Any |
| Ejector characteristic | High suction flow rate Standard |
| Manual override | detenting Pushing Covered |
| Integrated function | Flow control valve Electrical on-off valve Air saving function, electrical Power ejector pulse valve, electric Non-return valve Open silencer Vacuum switch |
| Measured variable | Relative pressure |
| Measuring principle | Piezoresistive |
| Switching function | Window comparator Threshold value comparator |
| Valve function | 5/3 pressurised |
| Type of display | LED LED display 2-digit |
| Unit(s) that can be displayed | kPa |
| Threshold value setting range | 0 - 99 kPa |
| Hysteresis setting range | 0 - 90 kPa |
| Setting options | Teach-In Via parameter sets |
| Signal status display | LED |
| Switching status display sensor | LED |
| Operating pressure for max. suction rate | 5 bar |
| Operating pressure | 4 - 8 bar |
| Nominal operating pressure | 6 bar |
| Pilot pressure | 4 - 10 bar |
| Max. suction rate with respect to atmosphere | 179 l/min |
| Air supply time at nominal operating pressure | 0,25 s |
| Operating voltage range DC | 21,6 - 30 V |
| Idle current | 30 mA |
| Duty cycle | 100 % |
| Authorisation | RCM Mark |
| CE mark (see declaration of conformity) | to EU directive for EMC |
| Operating medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
| Note on operating and pilot medium | Lubricated operation not possible |
| Corrosion resistance classification CRC | 0 - No corrosion stress |
| Medium temperature | -5 - 50 °C |
| Noise level at nominal operating pressure | 61 dB(A) |
| Protection class | IP65 |
| Safety class | III |
| Ambient temperature | -5 - 50 °C |
| Product weight | 970 g |
| Pressure measuring range | -1 - 0 bar |
| Display range, start value | 0 kPa |
| Display range, end value | 99 kPa |
| Accuracy, FS | 3 %FS |
| Switching point reproducibility, FS | 1 % |
| Electrical connection | Fieldbus |
| Electrical connection | via CPX |
| Pneumatic connection, port 3 | Open silencer |
| Vacuum connection | G3/8 |
| Materials note | Conforms to RoHS |
| Material seals | HNBR NBR |
| Material receiver nozzle | POM |
| Material housing | Wrought Aluminium alloy |
| Material plate | Aluminium die cast |
| Material adjusting screw | High alloy steel, non-corrosive |
| Material silencer | POM PU foam |
| Material screws | Steel |
| Material transmitter nozzle | Wrought Aluminium alloy |
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