CO₂ System - 85 % Discharge in 2 min

Check fixed CO₂ system performance per FSS Code Ch. 5: 85 % of the protected-space volume must be discharged within 2 minutes for engine room / cargo hold systems.

CO2FSS CodeFire

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\dot m_{CO_2} = \frac{0.85 \cdot V \cdot c \cdot \rho_{CO_2}}{t_{disch}}

Symbol	Meaning	Unit
$V$	Protected space volume	m³
$c$	Design concentration	%vol
$\rho_{CO_2}$	CO₂ vapor density	kg/m³
$t_{disch}$	Discharge time	min

Source: FSS Code Ch. 5

In short

Check fixed CO\u2082 system performance per FSS Code Ch.

Learn the theory FSS Code: International Code for Fire Safety Systems