Flow Switches are tough and moisture resistant.

Press Release Summary:

Enhancements to FS-4 Series make them more physically robust and improve moisture resistance. They have more robust inlet/outlet port hubs and uniform wall thickness around internal port threads to better withstand rough installation techniques and other abuses. Subassembly is sealed with molded rubber grommet moisture barrier. Separate snap-on reed switch improves set point accuracy. Series works in pressures to 250 psi and temperatures from 0 to 225 deg F.

Original Press Release:

New Design Delivers Significant Performance Improvements for GEMS FS-4 Flow Switch

PLAINVILLE, CT. - Gems Sensors has announced the redesign of the best-selling FS-4 Series of flow switches. The design changes make FS-4 flow switches more physically robust, ensure better set point consistency and improve environmental moisture resistance.

Molded from high-performance Ryton(R) R4 plastic, new FS-4 switches now have more robust inlet/outlet port hubs. A more uniform wall thickness around the internal port threads enables the FS-4 to better withstand rough installation techniques and other abuses. To improve set point accuracy and reduce drift in severe service, Gems has utilized a separate snap-on reed switch subassembly for the new FS-4 Series. The subassembly is further sealed with a molded rubber grommet moisture barrier. These design changes provide the new FS-4 Series with better structural integrity for more reliable performance.

The FS-4 Series includes both SPDT and SPST models, and is suitable for applications with pressures to 250 PSI@70°F and with operating temperatures ranging from 0°F to 225°F, Inlet/Outlet ports incorporate 9/16"-18 UNF-2B threads, and Gems offers a selection of port adapters, including 1/8" NPT, 1/4" NPT and 1/2" barbed sizes.

Smarter Products, Better Solutions is how Gems Sensors is shaping the future of fluid sensing. For more than 50 years, the company has been the preferred supplier to thousands of companies serving the OEM, MRO, Process, Environmental, and Marine industries because of its innovative approach to sensor design, applications, and problem solving to meet customer-specific needs. Gems Sensors is a leading global manufacturer of liquid level, flow, and pressure sensors and solid-state relays and barriers.

For additional product information, contact Gems Sensors, One Cowles Road, Plainville, Connecticut 06062. Phone: (800) 378-1600.

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