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 | | NEW LOW COST HYGOOD® CO2 SYSTEM UNVEILED | | | Tyco Safety Products | | 31/10/2007 | | | Tyco Safety Products Fire Suppression Group has launched a new low-cost HYGOOD® CO2 [Carbon Dioxide] high pressure system that incorporates the latest container, valve and nozzle design enhancements, and offers easy integration with the latest fire detection and alarm systems. It is suitable for the total flooding of a wide variety of applications, particularly IT and telecommunications installations and switchgear enclosures, as well as being utilised for local application to protect a variety on non-enclosed hazards. However, the toxic nature of CO2 means that total flooding systems should be used only for unmanned installations, with appropriate safety lock-off devices.
The new HYGOOD offering is an engineered system that uses individual premium-build steel storage containers of 16kg, 23kg, 34kg and 45kg capacity that can be manifold-linked together to enable rapid, simultaneous discharge. The gas is stored under pressure and is piped to the protected enclosure, where it is released via a network of piping and strategically located discharge nozzles, the position and type of which have been determined by the system design. The container valves can be opened automatically, and two or more hazard areas can be protected with a single group of containers by means of directional or selector valves.
On release, the colourless, odourless, electrically non-conductive, and non-corrosive gas expands at a ratio of 450 to 1 by volume and permeates the entire protected area and extinguishes the fire mainly by reducing the oxygen level to less than that necessary to allow combustion to take place. The gas also provides localised cooling. When discharged, it leaves nothing behind to damage sensitive electronic equipment or documents, and with no agent clean-up required, business critical installations can soon be back in operation.
In all probability, CO2 has safely extinguished more fires than any other gaseous suppression agent, and one particularly attractive feature of CO2 that Tyco believes accounts for its continued popularity is that it can be compressed into a liquid state which, when maintained under pressure, requires a smaller storage footprint than many other gaseous suppression agents. Additionally, as CO2 has so many other commercial uses, refills are readily available throughout the world. | |
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