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CF to Swagelok VCR® Adapter

CF to Swagelok® Adapter

CF to Swagelok® Adapter: Precision Sealing from Vacuum Flanges to Process Lines

The CF to Swagelok® Adapter offered by TFM provides a robust and clean solution for connecting ConFlat (CF) vacuum flanges to Swagelok® tube compression fittings, ensuring high-integrity, leak-free transitions in UHV systems, gas handling setups, and clean process environments.

Constructed from 304 stainless steel, this adapter combines the reliability of metal gasket sealing from the CF side with the Swagelok torque-free compression seal, offering compatibility across high-vacuum and high-purity systems. Whether used in semiconductor equipment, analytical instruments, or laboratory setups, the CF to Swagelok® Adapter is built to perform under stringent vacuum and contamination control requirements.

Key Features of CF to Swagelok® Adapter:

  • CF Flange Interface
    Provides a knife-edge seal using annealed copper gaskets, suitable for ultra-high vacuum (UHV) environments down to 10⁻⁹ torr.

  • Swagelok® Tube Fitting Connection
    Ensures a torque-free radial seal around standard process tubing (e.g., 1/4″, 3/8″, 1/2″), offering high reliability in gas and liquid systems up to 3000 psig.

  • Material: 304 Stainless Steel
    Ideal for vacuum compatibility, chemical resistance, and thermal durability in both lab and industrial environments.

  • Versatile System Integration
    Eliminates the need for intermediate transitions—connects directly from UHV chamber flanges to gas distribution lines.

  • Cleanroom and Bakeable
    Fully compatible with high-purity systems requiring low outgassing materials and bake-out capability for system conditioning.

Applications:

  • Introducing high-purity gases into vacuum chambers

  • Connecting CF-sealed instrumentation to external gas lines

  • Hybrid vacuum/process systems in research and semiconductor tools

  • Retrofitting legacy UHV equipment for modern gas delivery

  • Vacuum leak test setups with external Swagelok control components

TFM also offers a full range of CF to VCR® adapters, KF to Swagelok® adapters, CF elbows, and gasket/clamp kits, making us your one-stop source for vacuum system integration.

In summary, the CF to Swagelok® Adapter by TFM ensures high-performance connectivity between vacuum and process environments. Its torque-free sealing, UHV-grade materials, and easy integration into standard tubing systems make it indispensable for precision-controlled systems requiring long-term sealing integrity.

Ordering Table

Flange Size/OD Drawing Fitting Part Number
DN16CF (1.33" OD) Tooltip 1/16" Swagelok F0133X1SWG
DN16CF (1.33" OD) Tooltip 1/8" Swagelok F0133X2SWG
DN16CF (1.33" OD) Tooltip 1/4" Swagelok F0133X4SWG
DN16CF (1.33" OD) Tooltip 3/8" Swagelok F0133X6SWG
DN16CF (1.33" OD) Tooltip 1/2" Swagelok F0133X8SWG
DN35CF-DN40CF (2.75" OD) Tooltip 1/16" Swagelok F0275X1SWG
DN35CF-DN40CF (2.75" OD) Tooltip 1/8" Swagelok F0275X2SWG
DN35CF-DN40CF (2.75" OD) Tooltip 1/4" Swagelok F0275X4SWG
DN35CF-DN40CF (2.75" OD) Tooltip 3/8" Swagelok F0275X6SWG
DN35CF-DN40CF (2.75" OD) Tooltip 1/2" Swagelok F0275X8SWG

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FAQ

Tube fittings are designed for tubes (measured by outside diameter and wall thickness) used in high-pressure and instrumentation applications, whereas pipe fittings are for pipes (identified by nominal pipe size) primarily used in fluid transport.

 

Common valve types include ball valves, gate valves, check valves, butterfly valves, and globe valves. Each serves a specific function—from quick shutoff (ball/gate valves) to flow regulation (globe valves).

 

  • For tubing, measure the outside diameter; for pipes, refer to the nominal pipe size (using conversion charts if needed). Always match the valve or fitting size to your pipe’s dimensions and flow requirements.

  • Frequently used thread types include NPT (National Pipe Tapered), BSP (British Standard Pipe), and UNC, along with slip-fit options that rely on compression or fusion rather than threads.

Interchangeability depends on manufacturer specifications and certification. Always verify compatibility via manufacturer guides or certified interchangeability charts.

 

  • A coupling is a short, straight fitting used to join two pipes or tubes. It provides a secure, leak-tight connection and can sometimes serve to extend or repair piping runs.

Consider valve type, pressure and temperature ratings, material compatibility with your fluid, actuation method (manual or automatic), and maintenance requirements.

 

  • Valves regulate flow by opening, closing, or partially obstructing the pathway. Their mechanisms (such as the rotation of a ball or the linear movement of a gate) determine the speed and precision of flow control.

  • A flange is a flat, circular component used to connect pipes, valves, or other equipment. Bolted together with gaskets, flanges provide a secure, leak-proof joint that facilitates both assembly and maintenance.

  • Manual valves require physical operation via handles or levers, whereas actuated valves use mechanisms—pneumatic, electric, or hydraulic—to open and close automatically or remotely.

  • Issues include leaks caused by improper installation, over-tightening, degraded seals, material incompatibility, and fatigue from repeated cycling. Regular inspection and proper installation practices help mitigate these problems.

Regular maintenance involves periodic inspections, cleaning or replacing worn seals, ensuring proper torque during installation, and adhering to manufacturer guidelines and local plumbing codes to preserve system integrity.

 

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