Gas Suppression Selection: Agent, Pressure, and Enclosure Tradeoffs
For occupied critical-asset spaces, IG-541 inert gas or FK-5-1-12 halocarbon at 200-300 bar is the safe default, while CO2 stays reserved for unoccupied hazards at 34-50% design concentration. For unoccupied generator or transformer rooms, CO2 is the lowest 30-year TCO agent, with halocarbon systems
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