FIRE SPRINKLER SYSTEM
A FIRE SPRINKLER SYSTEM is an active fire protection method, consisting of a water supply system, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected. Although historically only used in factories and large commercial buildings, systems for homes and small factories and large commercial buildings, systems for homes and small buildings are now available at a cost-effective price.
HOW DOES SPRINKLER SYSTEM WORK?
A fire sprinkler system is a simple, but key, active component of a domestic or commercial building’s fire protection system.Installed in ceilings or side walls, the system consists of a water supply, a water distribution piping system and sprinkler heads.The sprinkler discharges water automatically when a fire is detected, though it is not triggered by smoke. It controls or extinguishes the fire, so is both a fire detection and suppression system.
Each closed-head sprinkler is held closed by either a heat-sensitive glass bulb or a two-part metal link held together with fusible alloy. The glass bulb or link applies pressure to a pipe cap which acts as a plug which prevents water from flowing until the ambient temperature around the sprinkler reaches the design activation temperature of the individual sprinkler head. In a standard wet-pipe sprinkler system, each sprinkler activates independently when the predetermined heat level is reached. Thus, only sprinklers near the fire will operate, normally just one or two. This maximises water pressure over the point of fire origin, and minimises water damage to the building.
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