🚒 NFPA 20 Horizontal Split-Case (750-2500 GPM at 125 PSI), 150% Flow Curve

NFPA 20 Horizontal Split-Case Fire Pump Calculator

Size UL listed / FM approved horizontal split-case fire pumps under NFPA 20: calculate rated flow (GPM) and total net pressure (PSI based on tallest sprinkler head elevation and standpipe friction), 150% flow curve compliance (maintaining >65% rated head at 150% flow), electric motor / diesel driver horsepower, and fire protection contracting profits.

1. Project & Operating Inputs

Design Fire Flow Demand (GPM e.g. 1,500 GPM at Standpipes)

Total Required Net Head Pressure (PSI e.g. 135 PSI Boost)

Customer Bid Price for Turnkey Fire Pump Skid ($ e.g. $145,000)

UL/FM Split-Case Pump, Electric Motor, NFPA Controller, Test Header ($)

2. Financial Breakdown & Yield

NFPA 20 FIRE PUMP SIZING

Turnkey Fire Pump Package Profit

Fire Protection Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost