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, ...

Switch configuration shall consist of one single pole double throw (S.P.D.T.) Form C set of contacts rated at 15A, 125 VAC and 2.5A, 30 VDC.

Operating over a wide flow range in multiple configurations, the FS10A features a flow range in air from 0.1 SCFH to 40 SCFH (50 cc/min to 20,000 cc/min), and a flow range in water from 0.001 GPM to 0 ...

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.