What is the function of a pump in a fire sprinkler system?

The function of a pump in a fire sprinkler system is primarily to increase water pressure to the sprinkler heads. This is essential because fire suppression systems need adequate pressure to ensure that water is delivered efficiently and effectively to douse a fire. When a fire breaks out, the water must be able to reach the furthest sprinkler heads in the system with sufficient force to disperse and cover a wide area.

Water pressure is critical in maintaining the flow rates needed to extinguish flames and does so by overcoming any resistance in the piping and fittings. Pumps are designed specifically for this purpose, optimizing the water delivery system to provide the necessary pressure under various conditions, including during a fire emergency when demand is highest.

The other options do not accurately reflect the primary role of a pump in this context. Storing water is the role of a tank or reservoir, filtering pollutants is typically handled by a filtration system separate from the pump, and cooling down the system does not apply to the function of pumps in fire sprinkler applications. Understanding these distinctions helps clarify the purpose of the pump within the overall fire sprinkler system.