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NFPA 11 / EN 13565-2

Foam concentrate volume

Foam concentrate required for a flammable-liquid spill / dyke area.

V_concentrate = density × area × duration × concentration. Default 6.5 L/min/m² (Class B hydrocarbon).

Result
Total foam solution
39000 L
Concentrate required
1170 L
Plus 100% reserve
2340 L

Formula: V = q × A × t × c

Reference: NFPA 11 / EN 13565-2

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