Sprinkler Flow Switch Operation

Pressure switches indicate a discharge from a sprinkler.

Sprinkler flow switch operation.

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. All flow switches should be tested in accordance with tb203 3 2 as part of a mandatory quarterly service routine. Waterflow detectors monitor the flow of water to sprinkler heads. In the case of a fire for example a flow switch can trigger an.

The flow switch will indicate its location a fire indicator panel but may not call the fire brigade. For the test to be valid sufficient water must pass the flow switch to activate it equal to one sprinkler head in operation. Water flow switches are implemented in water sprinkler systems. All three also come in explosion proof versions for hazardous environments.

Nfpa 13 s requirements address each type of switch in turn. Switches used to detect waterflow must cause an audible. In the case of a multi storey building there is typically one flow switch per floor. Supervisory switches help prevent tampering or incorrect setting of valve controls.

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.