We create a design of a deluge foam system for the oil extraction plant. NFPA 16 show density 6,5 mm/min. We used instead nozzle open sprinkler k 115. According to NFPA 13 “27.2.4.11.1 Minimum operating pressure of any sprinkler shall be 7 psi (0.5 bar)” But if we use 0.5 bar we get density 9 mm/min and increase the volume of foam. System… Show more

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