Quick-Acting Slide Valve GatEx

The quick-acting slide valve GatEx is used for complete closure of a pipe in the case of explosion, and therefore it is suitable for protection of production technologies with danger of dust explosion. Suitable for pneumatic conveying lines, exhausting lines and technologies constructed for maximum explosion pressure resistance (pmax).


  • Can be used for pipes above the DN 50 size
  • Pressure resistance of up to 21 bars
  • Extremely fast reaction time
  • Short installation distance

Equipment suitable for explosion isolation in pipe of: 

  • Filters
  • Silos
  • Mills
  • Mixers
  • Cyclons
  • Spray driers
  • and other devices with danger of dust explosions


System function

The quick-acting slide valve GatEx is activated after detection of an incipient explosion. A detector sends a signal about the incipient explosion to a control unit that in turn activates a closing mechanism of the valve. The quick-acting slide valve is closed pneumatically. It respects so called fail safe design that puts the slide valve into safe state (close) in case that its reliable function cannot be guaranteed (e.g. by breaking its electrical supply or communication circuits, pressure decrease, etc.).

Technical parameters

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