Explosion Vent on Cartridge Dust Collector

Explosion Vent Applications

Explosion Vents on Clean and Dirty Side of Dust Collector

Explosion Vents or Panels

Flameless Explosion Vent

Flameless Explosion Vents

Explosion Flap Valve

More Explosion Protection Products

Explosion Protection Vents

Industrial process equipment, such as dust collectors or process vessels, handle combustible dust. The most cost-effective solution to protect the process equipment is explosion vents. Explosion vents are used to relieve the pressure of an explosion, minimize equipment damage, and protect personnel when there is a deflagration. The explosion vent will rupture during an explosion allowing for the flame front, heat, expanding gases, and pressure all to be relieved through the designed opening. Due to how explosion vents operate, there must be enough safe areas for the explosion to travel. If a safe distance can’t be met due to a sidewalk or parking lot, alternative vents like a flameless explosion vent might be applied. Like the explosion vent, a flameless vent allows for the heat, pressure, and expanding gases to be released, but there is an internal flame arrestor that eliminates the passing flame front. This allows flameless vents to be used indoors or in areas where you can’t safely use an explosion vent.

Explosion vents and flameless vents are sized using the vent sizing calculation found in NFPA 68. The factors used to calculate how much effective vent area is required are:

  • combustible dust characteristics (Kst and Pmax
  • dirty air volume
  • Pred (resulting in or reduced pressure when a combustible deflagration event inside a vessel is either vented or suppressed) of the vessel

The resultant determines the size of the vent and how many vents are required. 

Dust Collection System with Explosion Vent and Isolation Valve

Explosion vent on cartridge dust collector with isolation flap valve

Industrial Vacuum System with a Flameless EXP Vent

Flameless explosion vent retrofitted onto a vacuum receiver