OVEM-07-L-B-QO-CE-N-2P – Festo Vacuum Generators

USD $ 342.51 USD $ 280.86

SKU: Festo 539074 #02

Manufacturer Part Number: Festo 539074 #02
Festo Vacuum Generators: OVEM-07-L-B-QO-CE-N-2P
OEM Spec Ref

The Festo OVEM-07-L-B-QO-CE-N-2P, with MPN 539074, is a highly efficient Vacuum Generator designed to streamline operations in automation systems. This precision-engineered device offers powerful suction capabilities that are crucial for handling and manipulating materials in a variety of industrial applications.

Key Features:

  • High Suction Power: This vacuum generator provides a potent suction force, which is essential for efficient material handling and movement within automated processes.
  • Lightweight and Compact: Its compact design makes it ideal for integration into systems where space is at a premium, without compromising performance.
  • Energy Efficiency: Engineered for low energy consumption, the OVEM-07-L-B-QO-CE-N-2P offers economic operation, reducing overall energy costs.
  • User-friendly Interface: Comes equipped with a straightforward interface for hassle-free operation and easy integration into existing systems.
  • Durable Construction: Built to endure the demanding conditions of industrial environments, ensuring reliability and a long operational lifespan.


  • Enhanced Process Reliability: Provides consistent and reliable vacuum generation, which is crucial for maintaining the continuity and efficiency of industrial processes.
  • Operational Cost Reduction: By optimizing energy use, this vacuum generator helps lower electricity bills and operational costs.
  • Improved Productivity: The quick and effective suction capabilities enable faster cycle times in automated processes, significantly boosting productivity.
  • Versatility: Suitable for a wide range of industrial applications, from electronics assembly to food packaging and general manufacturing.


  • Automated Material Handling: Ideal for use in systems that require precise manipulation of parts and materials.
  • Packaging Industries: Plays a pivotal role in the packaging process of various goods, ensuring efficient handling and packaging.
  • Assembly Lines: Essential in assembly lines that handle delicate or small components, providing the necessary precision and stability.
  • General Industrial Use: Adaptable for broad industrial applications, enhancing process efficiency and reliability across multiple sectors.

The Festo OVEM-07-L-B-QO-CE-N-2P Vacuum Generator stands as a testament to Festo’s commitment to innovation and quality in pneumatic technology, offering a robust and efficient solution for optimizing the performance of automated systems.

Technical Data

Feature Specification
Nominal size, Laval nozzle 0.7 mm
Grid dimension 20 mm
Short type code OVEM
Silencer design Open
Mounting position Any
Ejector characteristics Standard
High suction flow
Grade of filtration 40 µm
Manual override Non-detenting
Also via control keys
Integrated function Check valve
Ejector pulse, electric
Silencer, open
Vacuum switch
Electric on/off valve
Electric air-saving function
Flow control
Design Modular
Short circuit current rating Yes
Measured variable Relative pressure
Measuring principle Piezoresistive
Switching element function Normally closed contact
N/O contact
Switching function Window comparator
Threshold value comparator
Valve function Closed
Reverse polarity protection For all electrical connections
Switching input according to standard IEC 61131-2
Display type 4-digit, alphanumeric
Backlit LCD
Display area -0,999…0,000 bar
Displayable unit(s) bar
Hysteresis setting range -0.900…0.000 bar
Setting options Via display and keys
Switching position indicator LCD
Switching status indication Optical
Threshold-value setting range -0.900 – 0.000 bar
Operating pressure (bar) 2.000…8.000 bar
Nominal operating pressure 6 bar
Max. suction rate with respect to atmosphere 31.5 l/min
Air supply time at nominal operating pressure 0.2 s
Operating voltage range DC 20.400…27.600 V
Duty cycle 100 %
Inductive protective circuit Adapted for MZ, MY and ME coils
Insulation voltage 50 V
Idle current < 70.000 mA
Max. output current 100 mA
Off-state current 0.1 mA
Switching output 2xPNP
Voltage drop <= 1.500 V
Characteristic coil data 24 VDC: low-current phase: 0.3 W; high-current phase: 2.55 W
Surge resistance 0.8 kV
Overload protection Available
Contamination level 3
Certification c UL us – Listed (OL)
RCM Mark
KC marking KC EMC
CE marking (see declaration of conformity) As per EU EMC Directive
UKCA marking (see declaration of conformity) As per UK regulations for EMC
Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4]
Note on operating/pilot medium Lubricated operation not possible
Corrosion resistance class KBK moderate corrosion stress – 2
Temperature of medium 0…50 °C
Relative humidity 5…85 %
Noise level at nominal operating pressure 53 dB(A)
Degree of protection IP65
Protection class III
Ambient temperature 0…50 °C
Max. tightening torque 0.8 Nm with internal thread
2.5 Nm with through-hole
Product weight 330 g
Pressure measuring range -1.000…0.000 bar
Accuracy in +/- %FS 3 %FS
Reproducibility, switching value FS 0.6 %
IO-Link®, data memory required 0.5 Byte
Switching logic at inputs PNP (positive switching)
Electrical connection Plug to product
Type of mounting With through-hole
With internal thread
“With accessories” means indirect mounting via an
intermediate element.
Pneumatic connection 1 QS-8
Pneumatic connection 3 Silencer integrated
Vacuum connection QS-8
Note on materials RoHS-compliant
Contains paint-wetting impairment substances
Sealing material NBR
Internal nozzle material POM
Filter material PA
Sintered steel
Material of filter housing Reinforced PA
Housing material Reinforced PA
Die-cast aluminum
Adjusting screw material Steel
Silencer material PU foam
Wrought aluminum alloy
Material of screws Steel
Inspection window material PA
Material of pins Steel
Material of jet nozzle Wrought aluminum alloy
Material of keypad TPE-U
Weight 0.330 kg