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DN250CF (12.00″ OD) 316LN SS Standard ConFlat® (CF) UHV Flanges

DN250CF (12.00 OD) 316LN SS Standard ConFlat® (CF) UHV Flanges

Overview:

The DN250CF (12.00 OD) 316LN SS Standard ConFlat® (CF) UHV Flanges are designed for ultra-high vacuum applications, offering reliability and high-performance sealing for demanding environments. Constructed from 316LN stainless steel, these flanges are engineered to withstand extreme conditions, ensuring durability and long-lasting performance in UHV systems.

Product Features:

  • Material: 316LN stainless steel for superior strength and corrosion resistance

  • Outer Diameter (OD): 12.00 inches

  • Flange Type: Standard ConFlat® (CF)

  • Vacuum Rating: Suitable for ultra-high vacuum (UHV) applications

  • Surface Finish: Precision-machined for a smooth, contaminant-free surface

  • Design Options: Available in rotatable and fixed types for flexible integration into UHV systems

  • Sealing Compatibility: Works with copper or metal seals to ensure leak-proof performance

Applications:

  • Semiconductor manufacturing: High-purity systems for chip fabrication

  • Research & Development: Ideal for advanced scientific experiments requiring UHV conditions

  • Aerospace and space technology: Applications requiring strict vacuum conditions and material stability

  • Vacuum chambers: Used in laboratories and industrial systems needing reliable vacuum sealing

  • High-energy physics experiments: Designed for use in particle accelerators and related research environments

Advantages:

  • Superior Durability: The 316LN stainless steel construction provides resistance to corrosion, ensuring the flange’s integrity over long-term use.

  • Vacuum Performance: Engineered for leak-free operation, maintaining vacuum integrity even in demanding applications.

  • Customization Available: Rotatable and fixed versions allow for flexibility in flange installation, depending on system needs.

  • Temperature Stability: The flanges maintain high-performance sealing in both high and low temperature environments typical of UHV applications.

Manufacturing Process:

Manufactured through a cold pressing and sintering process, these flanges achieve high density and uniformity. After production, they undergo thorough cleaning to eliminate contamination and ensure optimal performance in vacuum systems. The final products are carefully packaged to preserve their quality during shipping.

For detailed technical specifications or to discuss customization options, please contact TFM directly.

Ordering Table

Flange Size/OD Type Note Part Number
DN250CF (12.00" OD) Fixed — F1200N000NLN
DN250CF (12.00" OD) Fixed Tapped F1200N000NMLN
DN250CF (12.00" OD) Rotatable — F1200N000RLN
DN250CF (12.00" OD) Rotatable Tapped — F1200N000RMLN
DN250CF (12.00" OD) Rotatable Tapped — F1200N000RTLN
DN250CF (12.00" OD) Fixed Tapped — F1200N000TLN
DN250CF (12.00" OD) Fixed — F1200N1000NLN
DN250CF (12.00" OD) Fixed Tapped — F1200N1000NMLN
DN250CF (12.00" OD) Rotatable Tapped F1200N1000RMLN
DN250CF (12.00" OD) Rotatable Tapped — F1200N100RTLN
DN250CF (12.00" OD) Rotatable — F1200N1000RLN
DN250CF (12.00" OD) Fixed Tapped — F1200N1000TLN

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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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