Vacuum Generators

Festo Vacuum Generators

Festo’s vacuum generators operate on the Venturi principle, converting compressed air into vacuum via a venturi nozzle. They deliver fast switching, high vacuum levels, and a compact footprint—making them perfect for picking, holding and moving workpieces in automated systems.

These vacuum generators are widely used in industries such as electronics, packaging, automotive, wood-working and food processing—where reliable vacuum generation, compact design and low maintenance are essential. 

⭐ Important: These generators provide maintenance-free operation, high suction flow, and flexible mounting, enabling vacuum generation even in high-cycle or space-limited applications.

Design & Functionality

• Each vacuum generator features a single-stage Venturi ejector: compressed air passes a nozzle, creating suction at the intake port. 
• Key features include:
  • Very compact design, allowing direct mounting near the suction cups or grippers.
  • High vacuum levels up to about 93% or above depending on model. 
  • Rapid evacuation time, enabling fast cycle operation. 
  • Flexible mounting: straight or T-shape models, threaded or snap-on options. 
  • Optional integrated functionalities like solenoid valve ON/OFF, ejector-pulse release, vacuum switch, air-saving mode and IO-Link connectivity. 
• Because they use compressed air rather than an electric pump, these vacuum generators are maintenance-free, simpler and ideal for high dynamic or decentralized installation. 

Total Crossed Beams

(Here interpreted as full vacuum coverage from generation to suction)

• The vacuum generator covers the full vacuum generation process—from compressed air intake to vacuum output—ensuring consistent suction and reliable workpiece handling.
• This ensures better process stability, fewer faults and strong integration into vacuum-gripped automation systems.

Beam Pitch Options

(Here translated as variation in ejector size/nominal width/performance class)

• Ejector nominal nozzle widths range from about 0.45 mm to 3.0 mm, depending on model and suction capacity. 
• Some models achieve max vacuum levels around 93%. 
• Operating temperature ranges vary by series (e.g., 0 °C … +60 °C, or –20 °C … +80 °C) depending on model class. 
  ⭐ Important: The variety of nozzle sizes, mounting styles and built-in functions means you can choose a vacuum generator tailored to your suction flow, mounting space and process speed.

Intrinsic Synchronism

• The vacuum generator’s design ensures that the compressed air, Venturi effect and suction output are inherently synchronised—no additional synchroniser is needed.
• This guarantees reliable vacuum delivery, fast response and consistent performance throughout cycles.

Operational Advantages

• Space-saving and flexible installation – compact footprint allows mounting close to suction cups.
• High dynamic performance – very fast evacuation makes them suitable for high-speed handling.
• Low maintenance – no moving parts in basic ejector design.
• Integrated monitoring and control – with optional sensors, ejector pulses, IO-Link, and air saving.
• Applications: Automated material handling, pick-and-place systems, packaging machines, electronics assembly, suction-based gripping and transferring, docking and vacuum clamp systems.