After a specific level of water flow is detected, which device is typically triggered in a sprinkler system?

In a sprinkler system, a waterflow alarm device is triggered when a specific level of water flow is detected. This device is designed to monitor the flow of water within the piping of the sprinkler system, and when the flow surpasses a predetermined threshold, it activates an alarm. This helps alert occupants, fire safety personnel, and emergency responders that the sprinkler system is operational and water is being used to combat a fire.

The importance of the waterflow alarm device lies in its role in ensuring safety and enhancing fire response measures. It not only notifies people in the building of a potential fire incident but also signals to the fire department that the system is in action, allowing them to coordinate an appropriate response. By immediately providing this information, the device contributes significantly to both safety and fire protection efforts.

Other devices in a sprinkler system, such as supervisory devices, pressure gauges, and risers, serve different functions and do not directly relate to the detection of water flow in the same way. Supervisory devices typically monitor the overall system status rather than flow, pressure gauges are focused on measuring the pressure within the system, and risers are vertical pipes that distribute water but do not activate alarms based on flow detection.