Q-Box Indoor Explosion Venting for Dust Explosions

The Q-Box® is designed for plants that are at risk of dust explosions, such as filters, elevators or silos with KSt-Values < 200 bar × m/s with low rigidity and large explosion venting areas. The rectangular connection complements the dimensions of standard explosion vents, thus allowing it to be retrofitted to existing indoor and outdoor equipment. The sanitary cover protects the Q-Box® against dust from outside sources.


Applications + Industries

  • Aspiration plants
  • Breweries
  • Elevators
  • Filters
  • Conveyors
  • Wood processing
  • Food production
  • Mixers
  • Mills and grinding plants
  • Recycling
  • Screens
  • Silos
  • Destoners
  • Spray dryers
  • Animal feed production


The Q-Box® guarantees safe explosion venting in working areas. Like the Q-Rohr®, the flame gases are instantly extinguished inside the Q-Box® by efficient cooling.


  • Flexible use of the Q-Box® permits process-efficient plant design
  • Reduces noise levels
  • Perfect protection of the surrounding area. Neither heat, dusts nor a dangerous pressure wave emerge from the vessel
  • Cost-effective alternative to venting ducts. No running costs for venting ducts and external maintenance, a visual inspection is sufficient
  • Integrated signaling unit for reliable monitoring
  • Flexible solution for indoor and outdoor use
  • Reduced downtime: Access to the protected system does not require a safety-related locking mechanism (LOTO)
  • Simple retrofitting to existing explosion vent installations
  • Process-optimized plant layout
  • No external maintenance costs
  • Easy retrofitting of existing vent panels installations possible