Festo VZWF Series Solenoid Valve

High flow rates; large nominal diameters with relatively small solenoids.

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Highlights...

Features

  • Diaphragm valve, force pilot operated
  • In-line installation mounting
  • Electrical actuation
  • Solenoid upright mounting position
  • Soft sealing principle
  • 2/2-way valve, normally closed
  • 22mm2/s max. viscosity
  • No pressure difference required
  • Usable in vacuum technology
  • Choice of sealing materials for different fields of applications
  • 0 bar or higher medium pressure
  • IP65 protection

The Festo VZWF Series Solenoid Valve is a normally closed valve with diaphragm and forced lifting. When the solenoid is energized, the differential pressure from the secondary side of the diaphragm is reduced via an internal pilot hole. The effective differential pressure lifts the diaphragm away from the valve seat. If there is no differential pressure, the diaphragm is lifted directly by the solenoid. The valve opens and closes without a differential pressure between the inlet and outlet.

Applications

  • Closed applications such as cooling or filling systems
  • Vacuum
  • Liquid gas