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Circle Seal Controls

Circle Seal Controls designs and manufactures a wide range of instrumentation valve products to exact customer specifications.

The company’s line of products includes check valves, relief valves, Atkomatic brand solenoid valves and much more. Circle Seal specializes in custom solutions featuring precise performance, quality and reliability.

The company was founded in 1947 with a focus on the aerospace and military markets – and has since diversified into many other markets including the food processing, instrumentation, petrochemical and medical industries.

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