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Conflat (CF) UHV 4-Way Reducer Crosses

Conflat (CF) UHV 4-Way Reducer Crosses

ConFlat (CF) UHV 4-Way Reducer Crosses and Cubes by TFM

At TFM, we offer a precision-engineered selection of ConFlat (CF) UHV 4-Way Reducer Crosses and Cubes, manufactured from high-purity 304L stainless steel tubing. These components are purpose-built for ultra-high vacuum (UHV) systems, delivering consistent, leak-tight performance in demanding scientific and industrial environments. Each assembly incorporates knife-edge sealing flanges in line with the ConFlat (CF) standard—widely trusted for their vacuum integrity and durability.

Key Features of ConFlat (CF) UHV Crosses and Cubes

✔ 4-Way Reducer Crosses with Rotatable Flanges

Our CF UHV 4-Way Reducer Crosses feature rotatable ConFlat flanges on each axis, making them highly adaptable for complex vacuum configurations. The reducer-style layout supports transitions between different flange sizes while maintaining structural and vacuum compatibility.

✔ Through-Hole Bolt Flanges for Stability

These crosses are equipped with through-hole bolt patterns, providing secure and vibration-resistant mounting. This design ensures structural reliability and helps maintain vacuum levels under mechanical or thermal stress.

✔ Tapped Side Ports for Cubes

The CF cubes include tapped sides that accommodate direct mounting of gauges, viewports, feedthroughs, and other UHV-compatible components. Their modular nature makes them ideal for expanding or customizing UHV setups.

Built for Compatibility and Performance

TFM’s ConFlat (CF) UHV 4-Way Reducer Crosses and Cubes are designed for seamless integration with a wide variety of UHV hardware—from ion gauges and electrical feedthroughs to viewport windows and vacuum pumps. The use of 304L stainless steel not only ensures excellent mechanical properties but also minimizes outgassing for consistent long-term vacuum operation.

Ordering Table

Flange Size/OD (Large) Note Part Number
DN35CF-DN40CF (2.75" OD) — C-0275-133
DN35CF-DN40CF (2.75" OD) — C-0275-212
DN50CF (3.38" OD) — C-0337-133
DN50CF (3.38" OD) — C-0337-275
DN63CF (4.50" OD) — C-0450-275
DN63CF (4.50" OD) — C-0450-337
DN75CF (4.63" OD) — C-0462-337
DN75CF (4.63" OD) — C-0462-450
DN100CF (6.00" OD) — C-0600-275
DN100CF (6.00" OD) C-0600-337
DN100CF (6.00" OD) — C-0600-450
DN160CF (8.00" OD) — C-0800-275
DN160CF (8.00" OD) — C-0800-450
DN160CF (8.00" OD) — C-0800-600
DN200CF (10.00" OD) — C-1000-800

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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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