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Self-regulating vacuum pumps (electric vacuum and blow-off control), GVMAXV2-2 series

Self-regulating vacuum pumps (electric vacuum and blow-off control), GVMAXV2-2 series

The COVAL innovation intelligent vacuum pump series originates from Twintech technology. Twintech is an ‘all in one’ concept which for the first time integrates all the necessary components at the heart of the vacuum pump. Thus the user eliminates the need to order and assemble the individual components such as electro valves, pilots, vacuum switches, pressure regulators, filters etc. The modular aspect of the intelligent vacuum pumps also allows the user to choose only the functions needed for the application.

Self-regulating vacuum pumps (electric vacuum and blow-off control), GVMAXV2-2 series


With GVMAXV2-2 and GVMAXV2-2R, COVAL offers two solutions on a single standard electrical GVMAX base pump.
These pumps offer an ‘all in one solution’ by integrating all the necessary functions, pilots, valves, vacuum regulation, blow-off, object presence thanks to vacuum switch and silencer in a compact and light weight single module.

The M12 connectors radically simplify the installation and utilization. They are available in two versions and compatible with the safety of the automat:

  • GVMAXV2-2: Non-adjustable vacuum switch (factory settings)
  • GVMAXV2-2R : Adjustable vacuum switch


In comparison to the standard GVMAX the two pumps GVMAXV2-2 et GVMAXV2-2R offer the following advantages:

  • Security: vacuum generation in case of electrical failure by in coming electro valve for feed pressure through normally open function (24VCC)
  • Controlled and powerful blow-off system.
  • Data processing circuit (connection cable)
  • Connection by 2 male 5 pin M12 connectors, (Input/ Output)
  • Compatible with the safety automat

Branch-specific applications


• Base body: Aluminum (AU 4 PB)
• Valve body: POM (black polyacethal)
• Silencer: Black PC with felt internal element
• Vacuum switch: PA66, PC, brass, NBR seal
• Electric wiring: PA66
• Screw: Zinc-plated steel
• Inside parts: Brass; Aluminum; Desmopan
• Seals: NBR (nitrile)
• Membrane: NBR (nitrile) with nylon substrate.