HFC-227ea Quantity (FM-200)

FM-200 / HFC-227ea agent quantity for total flooding from FSS Code Ch.5: 6.25–9 % v/v concentration.

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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

W = \frac{V \cdot C / 100}{s \cdot (1 - C/100)}, \quad s = 0.1269 + 0.000513 T

Symbol	Meaning	Unit
$V$	Protected volume	m³
$C$	Design concentration	% v/v
$s$	Specific vapour volume of HFC-227ea at T	m³/kg
$W$	Agent mass	kg

Source: FSS Code Ch.5; NFPA 2001 - Clean Agent Fire Extinguishing Systems

FM-200 / HFC-227ea agent quantity for total flooding from FSS Code Ch.