Inert Gas Fire Suppression

MEP Fire: Inert Gas Fire Suppression Systems

Installing a fire suppression system should be at the top of your mind, whether you're working in a business or want to keep you and your family safe. If your business or home isn't secured with fire safety systems, MEP Fire has unrivalled experience in ensuring that all fires are detected, extinguished, and the aftermath doesn't affect any essential equipment you store.

What is an Inert Gas Fire Suppression system?


The use of inert gases is an excellent method for suppressing fire, especially electrical fires - perfect for the renewable energy sector, industrial sector, data centres sector, etc. Our Inert gas system is designed to release naturally occurring, colourless, and odourless gases to protect areas where people and sensitive assets could be damaged by conventional water-based fire suppressant agents.

During a typical discharge and total flood, the inert gas displaces the volume of air to disrupt the composition so that there is no longer enough oxygen for a fire to continue to burn. Typically, it reduces the oxygen level to  the 12% oxygen mark, which is still safe for humans and gives them enough time to evacuate in an unfortunate event. Oxygen levels in other types of systems can be unsafe for human exposure.

As a significant amount of carbon dioxide gas is released into the enclosure when extinguishing a fire, a typical inert gas suppression systems can cause a pressure spike on the exterior of the enclosure; however, with our innovative pressure regulating valves and patented technologies with our extinguishing systems, this spike can be reduced to the point of no concern.


FSL Inertech Fire Suppression System
  • Name Gas Composition
    IG-55 (Argonite) 50% Argon and 50% Nitrogen
    IG-541 (Inergen) 52% Argon, 40% Nitrogen and 8% CO2
    IG-100 (Nitrogen) 100% Nitrogen
    IG-01 (Argon) 100% Argon

    Why Work With Us?


    Our experience and passion for this sector ensures that we are fully committed to offering the best customer service to our clients, as we know this is an integral aspect of all health and safety regulations. In addition to inert gas fire protection, we can offer:

    We prepare our own clean system agents, fire suppression designs and run our own hydraulic flow calculations all in-house, speeding up our response times and easing the flow of communication. We're capable of working with a number of design standards, including:

    • EN 15004: Part 1
    • EN 15004: Parts 2 - 10
    • ISO 14520: Part 1
    • NFPA 2001
    • APSAD R13


    Typical applications we can protect with Inert Gas Fire Suppression Systems include; Data Centres, Server Rooms, Comms Rooms, HV and LV Switch Rooms, UPS Rooms, Archives, Museums and Libraries all of which are spread across a number of sectors including Finance and banking, Telecommunications, Transportation and Industrial.

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    Inert Gas Cylinder Valve
    Inert Gas Discharge Nozzle
    Inert Gas Solenoid


    Features and Benefits


    Safety

    Extinguishing concentrations suitable for occupied areas for safe egress.

    Fast Acting

    60-second discharge complemented sensitive detection equipment.

    Flexible Design Options

    Easily customisable pipe routing and cylinder arrangements to suit specefic spaces.

    Cost Effective

    Most economic solutions compared to suitable alternatives

    No Residue

    Zero residue left behind post discharge.

    Naturally Occurring Gases

    Noble gases with zero ozone depletion potential and global warming potential


    Frequently Asked Questions


    • What are the different types of inert gas suppression systems?

      There are four commonly used inert gas extinguishing agents and mixtures used in gas suppression systems:


      IG-55 (50% Argon, 50% Nitrogen)

      IG-541 (50 Argon, 42% Nitrogen, 8% CO2)

      IG-100 (100% Nitrogen)

      IG-01 (100% Argon)


      Each has its own advantages.


    • What is Inergen?

      Inergen is a trade name for an IG-541 gas suppression system which compromises 50% Argon, 42% Nitrogen and 8% CO2.


    • Whats is Argonite?

      Argonite is the trade name for an IG-55 gas suppression system that combines 50% Argon and 50% Nitrogen.


    • What is the best fire suppression system?

      Each fire suppression system has its own advantages and disadvantages, and the same goes for gaseous fire suppression systems. Check out our comparison table to find out more.


    • How do inert gas suppression systems work?

      Inert fire suppression systems work by flooding the protected area with enough gas to temporarily deplete the oxygen level, where the composition of the resulting mixture is safe for human occupancy but the combustion of the protected material is not sustainable.


      The enclosure is also tested to ensure that the mixture is retained for an additional 10 minutes after discharge to prevent re-ignition.

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