Festo AG & Co. KG
540028
vacuum generator
OVEM-14-H-B-GO-CE-N-1P
Supply/vacuum port with G threads, exhaust port with open silencer
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Festo Data sheet
| Criterion | Feature |
| Nominal size, Laval nozzle | 1,4 mm |
| Grid dimension | 20 mm |
| Design, silencer | open |
| Assembly position | Any |
| Ejector characteristic | High vacuum Standard |
| Grade of filtration | 40 µm |
| Manual override | Pushing |
| Integrated function | Ejector pulse valve, electrical Flow control valve Electrical on-off valve Filter Non-return valve Open silencer Vacuum switch |
| Design structure | modular |
| Short circuit strength | Yes |
| Measured variable | Relative pressure |
| Measuring principle | Piezoresistive |
| Switching element function | Normally open contact |
| Switching function | Threshold value comparator Threshold value with fixed hysteresis |
| Valve function | closed |
| Polarity protected | for all electrical connections |
| Standard switching input | IEC 61131-2 |
| Type of display | LED |
| Setting options | Teach-In |
| Switching position indicator | LED |
| Operating status display | Optical |
| Threshold setting range | -1 - 0 bar |
| Operating pressure | 2 - 8 bar |
| Operating pressure for max. vacuum | 3,6 bar |
| Max. vacuum | 93 % |
| Nominal operating pressure | 6 bar |
| Max. suction rate with respect to atmosphere | 50,5 l/min |
| Air supply time at nominal operating pressure | 0,2 s |
| Operating voltage range DC | 20,4 - 27,6 V |
| Duty cycle | 100 % |
| Inductive protective circuit | Adapted to MZ-, MY-, ME coils |
| Insulation voltage | 50 V |
| Idle current | < 80 mA |
| Max. output current | 100 mA |
| Residual current | 0,1 mA |
| Switch output | PNP |
| Voltage drop | <= 1,5 V |
| Characteristic coil data | 24 V DC: low-current phase 0.3 W, high-current phase 2.55 W |
| Surge strength | 0,8 kV |
| Overload withstand capability | Available |
| Degree of contamination | 3 |
| Authorisation | RCM Mark c UL us - Listed (OL) |
| KC mark | KC-EMV |
| CE mark (see declaration of conformity) | to EU directive for EMC |
| UKCA marking (see declaration of conformity) | To UK instructions 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 | 2 - Moderate corrosion stress |
| Medium temperature | 0 - 50 °C |
| Relative air humidity | 5 - 85 % |
| Noise level at nominal operating pressure | 77 dB(A) |
| Protection class | IP65 |
| Safety class | III |
| Ambient temperature | 0 - 50 °C |
| Max. tightening torque | 0.8 Nm with female thread 2.5 Nm with clearance hole |
| Product weight | 375 g |
| Pressure measuring range | -1 - 0 bar |
| Accuracy, FS | 0,5 %FS |
| Hysteresis | 0,02 bar |
| Switching point reproducibility, FS | 0,6 % |
| Input circuit logic | PNP (positive-switching) |
| Electrical connection | 5-pin M12x1 Plug |
| Mounting type | with through hole with internal (female) thread with accessories |
| Pneumatic connection, port 1 | G1/4 |
| Pneumatic connection, port 3 | Integrated silencer |
| Vacuum connection | G1/4 |
| Materials note | Contains PWIS substances Conforms to RoHS |
| Material seals | NBR |
| Material receiver nozzle | POM |
| Material filter | Mesh PA Sintered steel |
| Material filter housing | PA-reinforced |
| Material housing | Aluminium die cast PA-reinforced |
| Material adjusting screw | Steel |
| Material silencer | Wrought Aluminium alloy PU foam |
| Material screws | Steel |
| Material connector housing | Nickel-plated brass |
| Material electrical contact | Brass, gold-plated |
| Material pins | Steel |
| Material transmitter nozzle | Wrought Aluminium alloy |
| Material keypad | PA-reinforced |
| Material fitting | Anodised wrought aluminium alloy |
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