ST. LOUIS—Potter Electric Signal Co. recently introduced what it says is an industry first: a self-testing flow switch for wet sprinkler systems that requires no discharge of water. Mike Henke, ...

The low-cost FSW300 series of flow switches has an adjustable switch point, low pressure drop, instant response, and high repeatability. The CE-compliant device is comprised of a paddle system with a ...

The FLT93 Series flow switch from FCI can provide an early warning alert to cooling tower pump dry-running conditions by monitoring the flow and temperature of liquids, gases, slurries and more.