Cast Steel

Cast Steel

For years, DSI® Cast Steel Valves have been satisfying the needs of Petroleum Refineries, Chemical Processing Plants, Power Generating Plants, and and other processing facilities throughout the world.

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Forged Steel

Forged Steel

All DSI® forged carbon steel valves maintain a .22% maximum carbon content and are normalized to further refine the grain and homogenize the microstructure.

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Pressure Seal

Pressure Seal

DSI® Pressure Seal valves are designed for high pressure, high temperature applications such as Steam-Generation Stations, Industrial/Chemical Processing Plants, Thermal Power Generating Plants and other processing facilities throughout the world.

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DSI Cast Steel Valves


For years, Forum's DSI® Cast Steel Valves have been satisfying the needs of Petroleum Refineries, Chemical Processing Plants, Power Generating Plants, and and other processing facilities throughout the world. DSI valves are offered in a wide variety of multi-turn valve configurations in stainless and carbon steel, as well as almost every special alloy required for difficult fluid compositions and high-pressure, high-temperature applications. They provide cast and forged gate, globe and check valves that are designed, engineered and manufactured in strict accordance with national piping standards.