Carbon dioxide (CO2) is a colorless, odorless, and chemically inert gas that is both readily available and electrically non-conductive. It extinguishes fire primarily by lowering the level of oxygen that supports combustion in a protected area. This mechanism of fire suppression makes CO2 suppression systems highly effective, requiring minimal clean-up, but should be used in normally unoccupied hazard locations or otherwise avoided by personnel when discharged.
• LPCO2 system have several advantages over HPCO2 systems.
• Do not require hydrostatic testing.-Continuous monitoring of the liquid level and tank pressure; the liquid level gauge provides standard alarm outputs or an optional 4
• 20mA output (HPCO2 cylinders must be removed from service semi-annually to be weighed)
• Require 40% less floor space and less floor loading than HPCO2 systems.
• Multi-shot capabilities without any switch over to a reserve
• Hazards may be added to an existing LPCO2 system at anytime.
• LPCO2 Storage Units can be refilled while remaining in service; HPCO2 cylinders must be uninstalled, sent out to a refill location, and replaced.
• Lower material cost when systems require more than 4000 lbs (1814kg) of carbon dioxide (40 or more 100 lb (45 kg) HPCO2 cylinders)
• For critical installations, dual refrigeration options are available for LPCO2 Storage Units
• LPCO2 systems are 30% more efficient than HPCO2 systems at local application
• LPCO2 systems have lower overall maintenance costs than HPCO2 systems