Sprinkler Flow Switch Operation

The flow switch will indicate its location a fire indicator panel but may not call the fire brigade.

Sprinkler flow switch operation.

In the case of a multi storey building there is typically one flow switch per floor. A liquid flow switch is applicable in chlorination of a swimming pool hot water heating air conditioning liquid transfer systems fire sprinkler systems and industrial laser cooling systems. A flow switch will also operate in the affected section of the fire sprinkler system indicating the location of the water flow. Nfpa 13 s requirements address each type of switch in turn.

Switches used to detect waterflow must cause an audible. All three also come in explosion proof versions for hazardous environments. In the case of a fire for example a flow switch can trigger an. Pressure switches indicate a discharge from a sprinkler.

Supervisory switches help prevent tampering or incorrect setting of valve controls. Waterflow detectors monitor the flow of water to sprinkler heads. A water flow detector commonly produced by system sensor is an electro mechanical device designed to send an alarm to a fire alarm panel and or fire department when a continuous flow of water occurs through the fire sprinkler system s piping from an activated sprinkler head or leak in the system. Prior to the test the pressure on both sides of the flow switch will be equal maintaining an.

All flow switches should be tested in accordance with tb203 3 2 as part of a mandatory quarterly service routine.