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EN 12845, NFPA 13

Pump duty point

The flow (Q) and pressure (P) the fire pump must deliver to satisfy the most demanding sprinkler design.

Definition

Selected from the manufacturer's pump curve at 100% flow; verified at 150% flow (pressure ≥ 65% of rated) and at churn (≤ 140% of rated) per EN 12845 §10 and NFPA 20 §4.7. Diesel pump sets require an automatic test routine every 4 weeks.

Referenced in

  • EN 12845
  • NFPA 13

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