For years, FET’s DSI® Cast Steel valves have met the needs of petroleum refineries, chemical processing plants, power generating plants, and other processing facilities worldwide. We offer DSI valves in various multi-turn valve configurations, available in stainless, carbon steel, and a wide range of special alloys for challenging fluid compositions and high-pressure, high-temperature applications. Our cast and forged gate, globe, and check valves are designed, engineered, and manufactured in strict accordance with national piping standards.
Low Fugitive Emission Service
Our commitment to strict quality assurance ensures that our valves consistently exceed performance expectations. We design, engineer, and manufacture our Cast Steel valves in strict conformance with API, ASTM, ASME, ANSI, and other recognized standards. DSI valves are renowned for their outstanding performance, reliability and quality, featuring standard attributes often optional in different brands.
DSI standard Cast Steel Gate, Globe and Check valves are designed and manufactured to ensure leakage of less than 100 ppm (parts per million) of volatile organic compounds (VOC) as tested pursuant to generally accepted good engineering practices for verifying fugitive emissions.