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Gas Fire Suppression

Gas fire suppression systems work by starving a fire of oxygen or heat and therefore eliminating the fire.

To ensure the gas suppression system doesn’t release gas for a false alarm such as in response to dust in the air, we provide a series of detector activations known as “first and second” stage alarms. This is where two different detectors on two different zones have to be triggered in the event of a fire.

How a Gas Suppression System Extinguishes a Fire

Initially one detector will be triggered on zone one (first stage), if a second detector (second stage) is triggered then a countdown timer is started and once this time has elapsed, the gas will be released.

During the above process a series of alarms will be triggered. During the first stage a sounder will be triggered, then during the second stage a different tone sounder will be activated. After the countdown timer has elapsed a bell and flashing strobe will trigger when the gas is released.

The main control panel provides details and control of the current status of the system. In an emergency the gas can be released immediately by hitting a break glass call point or if you want to “hold off” the release process we can provide “hold off” buttons.

Additional Benefits of Gas Fire Suppression

Other benefits of gas suppression systems include:

  • Safe and environmentally friendly gas.
  • No cleanup operation is required as no residue is left by the gas ensuring your critical systems keep operating.
  • The systems can be applied to a variety of different areas including server rooms, switch rooms, battery rooms and transformer rooms.


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