argon - argon gas - argon fire suppression system - argon fire protection systems - argon fire systems - argon extinguishers
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Argon fire suppression systems: argon gas extinguishing
Inert gas systems are considered to be one of the most environmentally friendly ways of protecting areas from fire and World Halon offer Argon suppression systems to suit many applications. Argon is especially suitable for extinguishing electrically generated fires and its neutral characteristics make it particularly apt for use within computer rooms and similar areas.

Argon is an equal blend of two naturally occurring inert gases, Nitrogen and Argon. It has neither ozone depleting nor global warming potential and it's the most environmentally acceptable of all gaseous extinguishing agents. Argon also complies with the NFPA 2001 Standard on Clean Agents as it is electrically non-conductive and leaves no trace, unlike non-brominated agents, which can produce harmful decomposition product upon contact with a flame. 

Argon is easily configured to suit the requirements of BS6266: 1992 for either space or in-cabinet protection. As a result of its ability to rapidly inert a space, Argon is suitable for extinguishing fire in most applications where a surface is involved. When discharged into an area, the oxygen content is reduced from its ambient atmospheric level of 21% to 12% and at this reduced level; fires in most flammable materials are extinguished in 30 to 45 seconds. Odorised and non-toxic for extra safety, the effect on humans at oxygen levels of 12% and 14% is minimal and medical research has shown that there are no short or long term influences on the body. Argon contains no carbon dioxide and its toxic atmosphere potential is therefore zero. 

The absence of 'fogging' during release helps vulnerable personnel to remain calm and unaffected during the evacuation process but for extra safety, an Argon system may be 'odorised' to ensure that personnel are alerted to the presence of the gas in either a discharge or leakage situation.
The quantity of Argon is accurately calculated for each risk area and installation of the system carried out with cylinders connected to a common manifold and pipe work distribution system terminating in strategically placed nozzles. The valve construction, cylinder size and pressure combined with computer calculated pipe and nozzle layouts ensure that Argon is released and distributed evenly throughout the protected space. And finally, the low working pressure of the release system means that existing Halon systems installed using BS1387 pipe may be converted in many Argon retro-fit programs without the need to reinstall using schedule 40 or 80 pipe.

Clean and effective
No Clean up
Zero ozone depletion potential
Zero global warming potential
Electrically non-conductive
Remote Storage
Versatile range of cylinders, nozzles and ancillaries
Extensively tested, recognised and approved worldwide

Switch Rooms
Computer Rooms
Paper Storage 

Inert gas systems work by reducing the concentration of Oxygen in the atmosphere to a level which will not sustain combustion (below 14%). 

A relatively large volume of the gas therefore needs to be released into the atmosphere to achieve this objective. Unlike Halon and halocarbons, inert gases are stored as high pressure gases and hence require a large number of high pressure storage cylinders with implications for space and weight. 

Inert gases such as nitrogen can be used alone but inert gas mixtures (typically blends of nitrogen and argon) are also available. As these systems use natural gases which areobtained from natural sources they have zero ozone depletion potential. 

There are Health and Safety implications for staff . particularly relating to the reduction in the oxygen component of the atmosphere once the system is discharged. It requires careful calculation to ensure that the concentration of the inert gas released is sufficient to control combustion yet not so high as to pose a serious risk to personnel. Health and Safety guidance is available from Gielle Srl on all halocarbon and inert gas systems.
Gielle Srl - Administrative Headsquares 
Via Ferri Rocco 1001 Z.I. - 70022 Altamura (Ba) 
Tel +39 0803118998 - Fax + 39 0803101309
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