Kidde Fire Systems Surge Protector P/N 81-CO2MAN-001 Manuale Utente

September 2013

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September 2013

Industrial applications typically consist of equipment or processes where flammable liquids are 

involved. Examples of industrial hazards that can be protected by carbon dioxide are dip tanks, 

mixing tanks, spray booths, ovens and dryers, quench tanks, coating machines, wet benches, 

commercial fryers, and printing presses.

Carbon dioxide is used in commercial applications to protect equipment or areas that have:
•

high capital costs

•

high productivity value

•

critical mission role essential to business operations

Examples of commercial applications are cable trenches, computer room subfloors, electrical 

cabinets, data (tape) storage units, and so on.

There are numerous marine applications for carbon dioxide systems; these include dry cargo 

spaces, machinery spaces, pump rooms, and paint lockers. Refer to the Marine Carbon Dioxide 

Design, Installation, Operation and Maintenance Manual, Part No. 81-220610-000, for detailed 

information.

Carbon dioxide is highly efficient in suppressing surface fires including flammable liquids and 

solids. When introduced into the combustion zone, carbon dioxide causes almost immediate 

flame suppression. It suppresses the fire by reducing the oxygen concentration, the fuel vapor 

concentration, or both, in the vicinity of the fire to the point where these available 

concentrations are too low to support combustion. In general, a reduction of the oxygen 

concentration to 15 percent or less by volume is sufficient to extinguish most diffusion-flame 

fires in flammable liquids. The cooling effect is also helpful in certain applications, especially 

where carbon dioxide is applied directly on to the burning material.

When deep seated fires are encountered, a higher concentration of carbon dioxide and a much 

longer hold (retention) time are needed to allow any smoldering fires to be suppressed and to 

allow the material to cool to a temperature at which it will not re-ignite.

The physical properties of carbon dioxide are provided in Table 1-1.