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DN160CF (8.00″ OD) 304L SS Standard ConFlat® (CF) UHV Flanges

Precision and Performance: DN160CF (8.00″ OD) 304L SS Standard ConFlat® UHV Flange from TFM

When it comes to constructing or maintaining a high-integrity ultra-high vacuum (UHV) system, the quality of every component is essential. That’s why TFM offers the DN160CF (8.00″ OD) 304L SS Standard ConFlat® Flange, a compact yet highly durable solution designed to deliver exceptional vacuum sealing and long-term reliability in demanding environments.

Designed for Ultra-High Vacuum Conditions

The DN160CF flange features an 8.00-inch outer diameter, making it a versatile choice for systems requiring a mid-sized yet robust vacuum interface. Built to ConFlat® (CF) standards, it incorporates a knife-edge sealing mechanism that, when paired with a copper gasket, ensures leak-tight, metal-to-metal seals down to pressures as low as 10⁻¹² Torr.

This makes it ideal for environments where maintaining vacuum integrity is critical—such as analytical instrumentation, surface science, and thin film deposition systems.

Constructed from High-Grade 304L Stainless Steel

At TFM, quality starts with the material. The DN160CF flange is manufactured from 304L stainless steel, prized for its corrosion resistance, strength, and clean weldability. Its low carbon content helps reduce the risk of carbide precipitation during welding, which in turn helps preserve vacuum integrity and structural performance.

TFM ensures each flange is CNC-machined to tight tolerances, offering precise surface flatness and sealing performance.

Key Features of the DN160CF Flange

  • Material: Durable and corrosion-resistant 304L stainless steel

  • Size: 8.00″ outer diameter – compact but highly compatible

  • Seal: Knife-edge CF design supports copper gasket for UHV sealing

  • Pressure Capability: Designed for UHV applications down to 10⁻¹² Torr

  • Standards: Fully compatible with other CF-standard flanges and hardware

  • Finish: Clean, precision-machined surface for secure installation

Applications in Advanced Industries

The DN160CF flange is a trusted choice for vacuum engineers and scientists across multiple disciplines, including:

  • Semiconductor and microelectronics fabrication

  • Synchrotron and accelerator facilities

  • R&D vacuum chambers

  • Spectroscopy and mass spectrometry systems

  • Laser optics and UHV-compatible optical benches

Its size and performance make it an ideal middle-ground solution between smaller and larger CF flanges.

Why Choose TFM?

TFM is committed to providing high-quality vacuum components backed by:

  • Reliable stock and fast shipping

  • Competitive pricing with no compromise on quality

  • Expert technical support and custom solutions

  • Strict quality control and material certification upon request

With TFM, you’re not just purchasing a flange—you’re investing in performance, consistency, and peace of mind.

Ordering Table

Flange Size/OD Type Flange Material Part Number
DN160CF (8.00" OD) Fixed 304L SS F0800X000N
DN160CF (8.00" OD) Fixed Tapped 304L SS F0800X000NM
DN160CF (8.00" OD) Fixed Tapped 304L SS F0800X000NT
DN160CF (8.00" OD) Rotatable 304L SS F0800X000R
DN160CF (8.00" OD) Rotatable Tapped 304L SS F0800X000RM
DN160CF (8.00" OD) Rotatable Tapped 304L SS F0800X000RT
DN160CF (8.00" OD) Fixed 304L SS F0800X400N
DN160CF (8.00" OD) Fixed 304L SS F0800X600N
DN160CF (8.00" OD) Fixed Tapped 304L SS F0800X600NM
DN160CF (8.00" OD) Fixed Tapped 304L SS F0800X600NT
DN160CF (8.00" OD) Rotatable 304L SS F0800X600R
DN160CF (8.00" OD) Rotatable Tapped 304L SS F0800X600RM
DN160CF (8.00" OD) Rotatable Tapped 304L SS F0800X600RT
DN160CF (8.00" OD) Fixed 304L SS F0800X608N
DN160CF (8.00" OD) Fixed Tapped 304L SS F0800X608NM
DN160CF (8.00" OD) Rotatable 304L SS F0800X608R
DN160CF (8.00" OD) Rotatable Tapped 304L SS F0800X608RM
Flange Size/OD Type Flange Material Part Number

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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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