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CF to Quick-Connect Couplings

Flange to Quick Connect Coupling Adapters

Flange to quick connect coupling adapters enable the seamless integration of one type of flange system with a quick connect coupling. All our flange to fitting adapters are manufactured from 304 series stainless steel unless otherwise specified.

Features of Flange to Quick Connect Coupling Adapters

  • Vacuum Joint Capability: These adapters create a vacuum joint with any smooth-surfaced standard outer diameter (O.D.) tube.
  • Versatile Applications: Commonly used to connect tubulated ion or thermocouple gauges to a vacuum system, ensuring reliable measurements.
  • Available Terminations: Adapters come with either CF or KF flange terminations to suit various system requirements.
  • Dual Coupling Options: The dual coupling versions are designed for efficient fluid circulation, enhancing system functionality.

Ordering Table

Flange Size/OD Type Drawing Nominal Tube OD Dim A Part Number
DN16CF (1.33" OD) Single Tooltip 1/8 — F0133XVC012
DN16CF (1.33" OD) Single Tooltip 1/4 — F0133XVC025
DN16CF (1.33" OD) Single Tooltip 3/8 — F0133XVC037
DN16CF (1.33" OD) Single Tooltip 1/2 — F0133XVC050
DN35CF-DN40CF (2.75" OD) Dual Tooltip 1/4 0.93 F0275X2VC025
DN35CF-DN40CF (2.75" OD) Dual Tooltip 3/8 0.98 F0275X2VC037
DN35CF-DN40CF (2.75" OD) Single Tooltip 1/8 — F0275XVC012
DN35CF-DN40CF (2.75" OD) Single Tooltip 1/4 — F0275XVC025
DN35CF-DN40CF (2.75" OD) Single Tooltip 5/16 — F0275XVC031
DN35CF-DN40CF (2.75" OD) Single Tooltip 3/8 — F0275XVC037
DN35CF-DN40CF (2.75" OD) Single Tooltip 1/2 — F0275XVC050
DN35CF-DN40CF (2.75" OD) Single Tooltip 5/8 — F0275XVC062
DN35CF-DN40CF (2.75" OD) Single Tooltip 3/4 — F0275XVC075
DN35CF-DN40CF (2.75" OD) Single Tooltip 7/8 — F0275XVC087
DN35CF-DN40CF (2.75" OD) Single Tooltip 1 — F0275XVC100
DN35CF-DN40CF (2.75" OD) Single Tooltip 1-1/8 — F0275XVC112
DN35CF-DN40CF (2.75" OD) Single Tooltip 1-1/4 — F0275XVC125
DN35CF-DN40CF (2.75" OD) Single Tooltip 1-3/8 — F0275XVC137
DN35CF-DN40CF (2.75" OD) Single Tooltip 1-1/2 — F0275XVC150
DN63CF (4.50" OD) Single Tooltip 3/4 — F0450XVC075
DN63CF (4.50" OD) Single Tooltip 1 — F0450XVC100
DN63CF (4.50" OD) Single Tooltip 1-1/2 — F0450XVC150
DN100CF (6.00" OD) Single Tooltip 3/4 — F0600XVC075
DN100CF (6.00" OD) Single Tooltip 1-1/2 — F0600XVC150
DN160CF (8.00" OD) Single Tooltip 3/4 — F0800XVC075

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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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