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![Gems FS-400P Series [135805] Flow Switch 1/2in NPT (0.5 GPM ±20%)](image/cache/wp/gj/Products/Gems_FS-400P-800x800.webp "Gems FS-400P Series [135805] Flow Switch 1/2in NPT (0.5 GPM ±20%)")
The Gems FS-400P series flow switches are designed for low cost/no-flow monitoring. Ruggedly constructed out of clear PVC, the transparent design is ideal for use where visual flow confirmation is desirable. These corrosion-resistant switches offer broad chemical compatibility. With only one moving part, their rugged construction offers long life with minimum maintenance. Ideal for water heating or purification, equipment cooling and general chemical processing use.
The FS-400P series is available with 1/2" NPT, 3/4" IPS or 1" IPS process connections with flow settings ranging from 0.5 to 2.0 gpm. The simple and reliable design is suitable for operating temperatures to 120°F and line pressures up to 120 psig. The FS-400P series utilizes a SPST switch.
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