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.

Waterflow detectors monitor the flow of water to sprinkler heads. 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. 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.

Nfpa 13 s requirements address each type of switch in turn. Water flow switches are implemented in water sprinkler systems. Supervisory switches help prevent tampering or incorrect setting of valve controls. A flow switch will also operate in the affected section of the fire sprinkler system indicating the location of the water flow.

For the test to be valid sufficient water must pass the flow switch to activate it equal to one sprinkler head in operation. 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.

Wet pipe fire sprinkler systems require an alarm check valve a device that prevents water from flowing in the wrong direction and features a flow switch or another listed means of sounding an alarm 16 11 3 1.