Sprinkler Flow Switch Operation

Prior to the test the pressure on both sides of the flow switch will be equal maintaining an.

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. Pressure switches indicate a discharge from a sprinkler. 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.

Waterflow detectors monitor the flow of water to sprinkler heads. A flow switch will also operate in the affected section of the fire sprinkler system indicating the location of the water flow. In the case of a fire for example a flow switch can trigger an. 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. The flow switch will indicate its location a fire indicator panel but may not call the fire brigade. 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. All flow switches should be tested in accordance with tb203 3 2 as part of a mandatory quarterly service routine.

Nfpa 13 s requirements address each type of switch in turn.