Face Seal Fittings

Designed for high pressure and high purity applications

Face seal fittings are piping connectors for high pressure or high purity applications, offering leak-tight connections. They are ideal for applications involving high pressure and vibration in liquid or gas systems and are widely used across industries such as chemicals, petroleum, natural gas, semiconductor manufacturing, medical equipment, and more. FITOK’s face seal products are available in different sealing options, including elastic O-ring (FO series), L-ring (TFO series), and metal seals (FR series), providing flexibility for various chemical media and temperature ranges. When selecting and applying face seal fittings, it is important to consider factors such as medium type, working pressure, temperature, and special process requirements. Proper installation and maintenance are crucial to ensuring system safety and reliability.

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  • Metal Gasket Face Seal Fittings, FR Series

    FR Series Metal Gasket Face Seal Fittings feature metal gaskets as sealing components, enabling exellent sealing performance, repeated reassembling and use, no dead space and easy purging. They are one of ideal choices for high purity and ultra high purity fluid systems. These fittings compress metal gaskets through the interlocking of internal and external threads to deform the gasket, thereby achieving sealing. Metal gasket face seal fittings are particularly ideal for ultra high purity systems, ultra high vacuum systems, and high pressure systems due to their excellent sealing performance, and they are commonly used in demanding industrial sectors, such as semiconductor, chemical, biopharmaceuticals. Correct installation and maintenance of these fittings are critical to ensuring system safety and reliability.

  • O-Ring Face Seal Fittings, FO Series

    FO Series O-Ring Face Seal Fittings are designed for easy installation and maintenance, especially in applications with limited installation space. They improve installation efficiency and offer a variety of O-ring materials, including FKM, PTFE, NBR, FFKM, and EPDM, to accommodate different working temperatures and conditions. These fittings are extensively used in industries such as hydraulic systems, pneumatic systems, water supply systems, chemical processing, and pharmaceuticals. When designing and selecting O-Ring Face Seal Fittings, factors such as working pressure, temperature, fluid type, and desired sealing performance must be considered. Selecting the correct O-ring size and material is critical to ensuring reliability and extending the fittings' service life.

  • L-Ring Face Seal Fittings, TFO Series

    TFO Series L-Ring Face Seal Fittings features an L-ring seal design that minimizes internal entrapment and enhances discharge and cleaning performance. This design effectively helps mitigate system damage risks and avoids excessive extrusion of the seal ring. These fittings are available in various sizes with a surface roughness of up to Ra 20 μin. (0.5 μm). Each fitting is clearly marked with size, material, and heat number. Proper installation and maintenance are crucial to ensure the sealing performance and extended service life of L-Ring Face Seal Fittings.

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