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DN295CF (14.00″ OD) 304L SS Standard ConFlat® (CF) UHV Flanges

Discover the Performance of the DN295CF (14.00″ OD) 304L SS Standard ConFlat® UHV Flange from TFM

In ultra-high vacuum (UHV) systems, the smallest leak or inconsistency can compromise critical operations. That’s why selecting the right flange is crucial. TFM proudly offers the DN295CF (14.00″ OD) 304L SS Standard ConFlat® Flange, a high-performance component engineered for precision sealing, reliability, and long-term durability in the most demanding vacuum environments.

Optimized for Ultra-High Vacuum Performance

The DN295CF flange is designed specifically for UHV systems, where pressures can drop as low as 10⁻¹² Torr. With its 14.00-inch outer diameter, it offers ample surface area for larger assemblies while maintaining a compact enough profile to integrate seamlessly into high-precision vacuum systems.

This flange features the trusted ConFlat® (CF) design, known for its robust sealing mechanism using knife-edge geometry and copper gaskets. It’s ideal for ensuring leak-free, metal-to-metal seals required in sensitive applications.

High-Quality 304L Stainless Steel Construction

Made from 304L stainless steel, this flange offers outstanding resistance to corrosion, excellent mechanical strength, and enhanced weldability. The low carbon content of 304L helps minimize contamination risks during welding and ensures long-lasting vacuum integrity.

TFM’s strict quality standards guarantee that every DN295CF flange meets or exceeds industry requirements for structural reliability and surface finish.

Key Advantages of the DN295CF Flange

  • Robust Sealing Mechanism: ConFlat® knife-edge design ensures tight, secure sealing with copper gaskets.

  • UHV-Ready: Designed for pressures down to 10⁻¹² Torr, ideal for critical vacuum operations.

  • Premium Material: Fabricated from corrosion-resistant 304L stainless steel.

  • Standardized Dimensions: Ensures compatibility with other CF flanges and UHV components.

  • Precision Manufacturing: CNC-machined for tight tolerances and excellent surface flatness.

Ideal for Advanced Vacuum Applications

The DN295CF flange is widely used in high-tech industries where UHV conditions are essential. Applications include:

  • Thin film deposition and materials science research

  • Accelerator and particle physics experiments

  • Semiconductor manufacturing

  • Cryogenics and space simulation chambers

  • Photonics and laser systems

Whether you’re expanding your current system or building a new UHV platform, this flange delivers performance and compatibility that professionals can trust.

Why Choose TFM?

TFM is a leading provider of UHV components, known for:

  • Reliable stock and fast delivery

  • Superior quality materials and craftsmanship

  • Expert customer service and technical support

  • Custom fabrication options upon request

With a commitment to quality and performance, TFM ensures every DN295CF flange is ready to meet the demands of modern vacuum technology.

Ordering Table

Flange Size/OD Type Note Part Number
DN295CF (14.00" OD) Fixed — F1400X000N
DN295CF (14.00" OD) Fixed Tapped — F1400X000NT
DN295CF (14.00" OD) Rotatable — F1400X000R
DN295CF (14.00" OD) Rotatable Tapped — F1400X000RT
DN295CF (14.00" OD) Fixed — F1400X1200N
DN295CF (14.00" OD) Fixed Tapped F1400X1200NM
DN295CF (14.00" OD) Fixed Tapped — F1400X1200NT
DN295CF (14.00" OD) Rotatable — F1400X1200R
DN295CF (14.00" OD) Rotatable Tapped — F1400X1200RT

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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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