How Does an Active Explosion Protection System Operate?

If your risk assessment identifies hazards that require protection, a Fike consultant can determine whether an active explosion protection system is needed.

When using an active system, the following will occur within milliseconds to both mitigate and isolate a deflagration: A sudden increase in pressure or flame radiation is detected by pressure or optical detectors. The hazard is identified by a Fike explosion protection controller and quickly activates connected devices. If explosion suppression is being used to mitigate the deflagration, a Fike canister will rapidly discharge chemical agent into the volume. The agent extinguishes the flame and stops further pressure rise.

To prevent equipment damage and avoid post explosion fires with chemical isolation, a Fike canister will discharge chemical agent to create a barrier that stops flame propagation and with mechanical isolation.A Fike gate valve will close to ensure both flames and pressure do not reach connected equipment. Finally, the controller signals the process control system to shut down the equipment to prevent further hazards and damage.

After the process is reviewed and the Fike explosion protection system is reset, the production process may safely resume.