Hydrant Fire pump

Hydrant fire pumps, also known as fire water pumps or fire booster pumps, are the powerful heart of a fire hydrant system. Their primary purpose is to ensure a strong and consistent water pressure and flow to the fire hydrants (and often sprinkler systems) throughout a building or complex, especially when the municipal water supply alone isn't sufficient.
These pumps don't create water, but rather boost the pressure of the existing water supply, drawing from the main municipal line, an overhead tank, or an underground reservoir.
Main Fire Pump: The primary pump, usually electrically driven, that provides the necessary high flow and pressure for firefighting.
Standby Fire Pump: Often a diesel engine-driven pump, serving as a crucial backup in case of an electrical power failure.