Gems FS-550 Series Flow Switch

FS-550 Series Flow Switches sense liquid flow in either direction to monitor flow/no-flow conditions and are supplied in two paddle lengths. The paddle is trimmed during installation to permit switch actuation at the desired flow rate. As flow increases, the paddle of the switch pivots to move out of the liquid path, producing less than 3 psig (.21 bar) of pressure drop regardless of pipe size. FS-550 switches are U.L. Approved for Class I Division 2, Groups A, B, C, D hazardous locations. Applications include: compressors, heat exchangers, turbines, engines, boilers, chillers, valves, pumps and regulators.