Fire Suppression Systems & Fire Suppression Storage
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Fire alarm systems
Gaseous Suppression Systems
FM200
Argonite
Foam
Specialist Powder
Extensively used for the protection of electronic assets such as computers, vital communications hardware, data storage or archives.
On detection of fire the gas is discharged throughout the protected space, extinguishing the fire with minimal collatoral damage within the protected space.
FM200
FM200 (HFC227ea) is a synthetic fire suppression agent. FM200 extinguishes the fire by removing the free radicals or heat element of the fire triangle. The concentration of FM200 is typically 7.9% of the room volume and 8.5% for higher hazard area’s such as floor voids or area’s with higher fire risks. The main advantage of FM200 is the amount of agent required to suppress a fire. This means fewer cylinders, therfore less wasted space for storage of FM200 cylinders.
Inert Fire Extiguishing
Inert Fire Extinguishing is typically Inert Gas blends or a single Inert Gas on its own. Typical Inert products are Nitrogen and Argon. These are natural occurring gases, which are removed from the air we breathe. The principle of suppression is by increasing the nitrogen or Argon content of the protected space, which reduces by volume the oxygen to a safe level to sustain human life and at the same time reduce the protected environment to levels that do not allow combustion. Typical oxygen levels following a discharge are 12%-15%.
Inert gas Suppression systems
Inert is a pure gas which is found naturally in the air and returns to the atmosphere following a discharge. It is a chemically inert gas which is safe for use on electrical risks and delicate materials. It is safe for use in most risks as it does not tarnish surfaces, cause damage to equipment or contribute to atmospheric pollution once it has been discharged. Inert systems provide a total flood solution in accordance with international design requirements, and are listed internationally as IG-01.
Argonite
Argonite is a leading environmentally-friendly replacement for Halon 1301. An equal blend of nitrogen and argon, it produces no secondary combustion products and is particularly suitable for fighting fires in confined spaces. Because its molecular weight is close to that of air, it lingers longer when discharged to extinguish a fire. This reduces the need for hermetic sealing of a protected room ñ a process that can be very expensive and needs to be repeated every time structural changes are made.
Argonite is not prone to fogging, is non-toxic, non-corrosive, leaves no residue and is electrically non-conductive. This has led to it being successfully specified in applications where there is a need to avoid secondary damage by the fire fighting agent. Popular applications include computer and control rooms, tape and archive stores, electrical cabinets and switchgear compartments and around telecommunications equipment.
Carbon dioxide suppression systems
Carbon Dioxide (C02) gas has a high ratio of expansion which facilitates rapid discharge and allows for three dimensional penetration of the entire hazard area quickly. Carbon Dioxide extinguishes a fire by reducing the oxygen content of the protected area below the point where it can support combustion. Carbon Dioxide Fire extinguishing systems typically store the agent in one of two different ways: in high pressure cylinders, or in low pressure CO2 tanks.
Due to the extreme density of the Carbon Dioxide, it quickly and effectively permeates the protected hazard area and suppresses the fire. Rapid expansion of the 4-6 inches of Carbon Dioxide snow to gas reduces the ambient temperature in the protected hazard area which aids in the extinguishing process and retards re-ignition.
Foam systems
Fire fighting foam systems suppress fire by separating the fuel from the air (oxygen). Depending on the type of foam system, this is done in several ways. Foam blankets the fuel surface smothering the fire, cooling the fuel with the water content of the foam, and also the foam blanket suppresses the release of flammable vapors that can mix with the air.
Dry chemical suppression systems
The best candidates for dry chemical fire suppression systems are industrial applications. The agents most commonly employed are ABC or BC type powder. They are extremely effective fire fighting agents that suppresses fire by coating the surface of the combusting material. The coating separates the fuel from the oxygen supply, and prevents reflash. Typical hazards protected include, Dip tanks, Flammable liquid storage areas, Mechanical rooms, Exhaust ducts and Coating equipment.
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