Explosion relief doors are designed to open once a predetermined pressure is reached in the vessel or space they are protecting. In the event of an explosion, the door is instantly triggered, safely absorbing and venting most of the energy of the explosion. 

Doors can also designed to prevent air from entering the space where the explosion occurred, helping to suppress the chance of fire by limiting the oxygen needed for further combustion.

Explosion relief doors are more expensive to install than off-the-shelf blast vent membranes, but last far longer. On average, explosion relief doors last 10-15 years, but a door’s effective life span can vary significantly depending on the application where it is used.

Most importantly, unlike vents, explosion relief doors do not need to be replaced after any overpressure event. 

Doors can also be calibrated to respond to lower pressure events than prefabricated vents and can be adjusted if your pressure protection requirements change.