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Fixed Tapped-Bored 316LN SS Standard ConFlat® (CF) UHV Flanges

Fixed Tapped-Bored 316LN SS Standard ConFlat® (CF) UHV Flanges

Fixed Tapped-Bored 316LN SS Standard ConFlat® (CF) UHV Flanges are essential components in ultra-high-vacuum (UHV) systems, designed to provide robust, reliable, and leak-tight seals for critical applications across various industries, including semiconductor manufacturing, research, and materials science. These flanges are manufactured with a focus on precision, durability, and compatibility with a wide range of vacuum equipment.

Key Features

  • Material: Constructed from 316LN stainless steel, a low-carbon alloy known for its excellent resistance to corrosion, stress corrosion cracking, and high-temperature stability, making it ideal for UHV applications.

  • ConFlat® Design: The ConFlat® (CF) flange utilizes a metal-to-metal seal, which ensures exceptional leak-tight performance and reliable operation in ultra-high vacuum environments.

  • Fixed Construction: The fixed design provides a secure and permanent seal, ideal for situations where no movement or rotation of the flange is required. This offers additional stability and ensures that the seal remains in place over time.

  • Tapped-Bored Construction: These flanges come with pre-tapped and bored holes, facilitating easy attachment to other components or systems. This feature simplifies integration and installation into existing vacuum systems.

  • Standard Dimensions: Built according to the ConFlat® flange standards, these flanges are compatible with a wide array of vacuum components, making them a versatile solution for various system configurations.

  • High-Quality Finish: The flange is precision-machined and polished to provide a smooth, contaminant-free surface, ensuring minimal outgassing and maintaining the purity of the vacuum environment.

Applications

  • Semiconductor Manufacturing: Ideal for use in semiconductor processing tools such as sputtering, etching, and deposition systems, where vacuum integrity is essential for the production of high-performance microelectronics.

  • Scientific Research: Crucial in high-energy physics experiments, particle accelerators, and electron microscopy, where ultra-high vacuum conditions are necessary for precise measurements and imaging.

  • Material Science: Used in thin-film deposition, coating, and sputtering systems for materials analysis, where maintaining a stable and clean vacuum environment is key to ensuring consistent results.

  • Aerospace & Automotive Testing: Employed in vacuum chambers used for testing materials, components, and systems in aerospace and automotive industries, ensuring reliable performance under vacuum conditions.

  • Pharmaceutical and Chemical Industries: Vital for applications involving precise vacuum environments for chemical processing, coating, or pharmaceutical research, where contamination must be kept to a minimum.

Why Choose TFM’s Fixed Tapped-Bored 316LN SS Standard ConFlat® (CF) UHV Flanges?

  • Superior Corrosion Resistance: Made from 316LN stainless steel, these flanges offer excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making them suitable for use in challenging vacuum environments.

  • Leak-tight and Reliable: The ConFlat® seal system ensures exceptional vacuum integrity, providing a leak-tight connection that’s crucial for maintaining ultra-high vacuum levels.

  • Easy Integration: The tapped-bored design simplifies the process of connecting the flange to other components in your vacuum system, reducing installation time and complexity.

  • Precise and Consistent Manufacturing: Each flange is manufactured with high precision to ensure a smooth surface, high vacuum performance, and long-term reliability.

  • Customizable Options: Available in a variety of sizes and configurations to meet your specific needs, with custom options for unique applications.

Ordering Table

Flange Size/OD Type Note Part Number
DN16CF (1.33" OD) Fixed Tapped F0133N075NMLN
DN16CF (1.33" OD) Fixed Tapped F0133N075TLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N100NMLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N100TLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N150NMLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N150TLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N162NMLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N162TLN
DN35CF-DN40CF (2.75" OD) Fixed Tapped F0275N175TLN
DN50CF (3.38" OD) Fixed Tapped F0337N200NMLN
DN63CF (4.50" OD) Fixed Tapped F0450N250TLN
DN63CF (4.50" OD) Fixed Tapped F0450N275NMLN
DN63CF (4.50" OD) Fixed Tapped F0450N275TLN
DN75CF (4.63" OD) Fixed Tapped F0462N300NMLN
DN100CF (6.00" OD) Fixed Tapped F0600N400NMLN
DN100CF (6.00" OD) Fixed Tapped F0600N400TLN
DN160CF (8.00" OD) Fixed Tapped F0800N600NMLN
DN160CF (8.00" OD) Fixed Tapped F0800N600TLN
DN160CF (8.00" OD) Fixed Tapped F0800N608NMLN
DN160CF (8.00" OD) Fixed Tapped F0800N608TLN
DN200CF (10.00" OD) Fixed Tapped F1000N800NMLN
DN200CF (10.00" OD) Fixed Tapped F1000N800TLN
DN250CF (12.00" OD) Fixed Tapped F1200N1000NMLN
DN250CF (12.00" OD) Fixed Tapped F1200N1000TLN
DN275CF (13.25" OD) Fixed Tapped F1325N1000NMLN
DN275CF (13.25" OD) Fixed Tapped F1325N1000TLN
DN295CF (14.00" OD) Fixed Tapped F1400N1200TLN
DN16CF (1.33" OD) Fixed Weldneck F0133N075NWLN

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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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