Thermionics CF-style flanges elevate ultra-high vacuum systems with precision-engineered reliability. Crafted for leak-tight performance using the renowned knife-edge and metal gasket sealing mechanism, these flanges deliver consistent UHV performance down to ~10⁻¹³ Torr—ideal for demanding research and industrial applications. Their sexless, interchangeable design streamlines compatibility, while options like fixed or rotatable bolts offer maximum flexibility in system configuration.
CF-style flanges are trusted across ultra-clean laboratories, particle accelerators, semiconductor fabrication, and thin-film instruments. Thermionics’ meticulous material selection and precision manufacturing ensure exceptional vacuum integrity and thermal stability throughout repeated thermal cycles.
Features
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Knife-edge seal with copper (or aluminum) gasket for unmatched leak-tight UHV performance
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Sexless flange design—fully interchangeable flanges simplify inventory and system design
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Fixed and rotatable bolt-ring options for design flexibility and simplified alignment
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Wide temperature compatibility (–196 °C to approximately 450 °C, depending on gasket and material)—with stable performance through bake-outs
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High-quality stainless steel construction and cleaning procedures minimize outgassing and ensure vacuum purity
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Selection of high-performance sealing hardware, including copper and silver-plated gaskets, plate nuts, and 12-point bolts for ease of assembly and thermal reliability