The difference between any Pump and a Fire Pump

The difference between any Pump and a Fire Pump

Fire Pump: difference between any Pump and a Fire Pump.Requirements Acccording to NFPA 20 Standard .  NFPA 20 IS A Standard for the installation of Stationary Fire Pump for Fire protection System.
The difference between any  Pump and a Fire Pump
Fire Pump

The difference between any  Pump and a Fire Pump


Assume @ Design Calculation ( Fire Pump )


Qd = 500 GPM ( FLOW RATE @ design ) & Pd = 10 bar ( pressure)


Design Calculation
Design Calculation

Conditions for Fire Pumps

1 - @ Q = 0 H shut off head < or = 140% Hd
H shut off head = 14 bar

shut off head
shut off head

2 - @ Q max - H ( not less than or = 65% Hd )
H = 6.5 bar ( H not less than 6.5 bar)


Maximum Flow Rate
Maximum Flow Rate

Conditions for fire pumps

  • @ Q = 0 H shut off head < or = 140% Hd
    H shut off head = 14 bar
  • @ Q max - H ( not less than or = 65% Hd )
    H = 6.5 bar ( H not less than 6.5 bar)

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