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NFPA 20 Fire Pump Quick Sizing Check
Enter your sprinkler system demand, standpipe demand, and supply pressure. This tool returns the required fire pump rated flow and net pressure per NFPA 20 practice — and suggests the matching BBP V-F vertical split case fire pump model.
Highest calculated demand from hydraulic calculations
Class I/III standpipe plus manual hose per NFPA 14
Sum of: residual pressure at hydraulically remote point, elevation loss, and friction loss (NFPA 20 Ch. 4.8)
Enter your system demands and click calculate to see required pump duty and recommended V-F model.
