Thin Film Materials Logo
Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
photo-hd-qf40xvc075_std

KF (QF) to Quick-Connect Couplings

KF (QF) HV to Quick-Connect Couplings

Our flange to quick connect coupling adapters facilitate the integration of one type of flange system with a quick connect coupling. All adapters are constructed from 304 series stainless steel unless otherwise specified.

Features of Flange to Quick Connect Coupling Adapters

  • Vacuum Joint Creation: These adapters form a vacuum joint with any smooth-surfaced standard outer diameter (O.D.) tube.
  • Versatile Usage: Commonly utilized for connecting tubulated ion or thermocouple gauges to a system, ensuring precise measurements and reliable operation.
  • Available Configurations: Adapters are offered with either CF or KF flange terminations to accommodate various system needs.
  • Dual Coupling Options: The dual coupling versions are perfect for facilitating easy fluid circulation within your setup.

Ordering Table

Flange Size/OD Drawing Nominal Tube OD Dim A Dim B Part Number
KF10 (1.18" OD) Tooltip 1/2 0.52 1.5 QF10XVC050
KF16 (1.18" OD) Tooltip 1/4 0.27 1.4 QF16XVC025
KF16 (1.18" OD) Tooltip 1/2 0.52 1.5 QF16XVC050
KF16 (1.18" OD) Tooltip 3/4 0.77 1.8 QF16XVC075
KF25 (1.57" OD) Tooltip 1/2 0.52 1.5 QF25XVC050
KF25 (1.57" OD) Tooltip 5/8 0.64 1.7 QF25XVC062
KF25 (1.57" OD) Tooltip 3/4 0.77 1.8 QF25XVC075
KF25 (1.57" OD) Tooltip 1 1.02 2 QF25XVC100
KF25 (1.57" OD) Tooltip 1-1/8 1.14 2 QF25XVC112
KF40 (2.16" OD) Tooltip 1/2 0.52 1.5 QF40XVC050
KF40 (2.16" OD) Tooltip 3/4 0.77 1.8 QF40XVC075
KF40 (2.16" OD) Tooltip 1 1.02 2 QF40XVC100
KF40 (2.16" OD) Tooltip 1-1/8 1.14 2 QF40XVC112
KF40 (2.16" OD) Tooltip 1-1/4 1.27 2 QF40XVC125
KF40 (2.16" OD) Tooltip 1-3/8 1.38 2.1 QF40XVC137
KF40 (2.16" OD) Tooltip 1-1/2 1.52 2.4 QF40XVC150
KF50 (2.95" OD) Tooltip 1/2 0.52 1.5 QF50XVC050
KF50 (2.95" OD) Tooltip 3/4 0.77 1.8 QF50XVC075
KF50 (2.95" OD) Tooltip 1 1.02 2 QF50XVC100
KF50 (2.95" OD) Tooltip 1-1/8 1.14 2 QF50XVC112
KF50 (2.95" OD) Tooltip 1-1/2 1.52 2.4 QF50XVC150
KF50 (2.95" OD) Tooltip 2 2.02 2.4 QF50XVC200

Reviews

There are no reviews yet.

Be the first to review “KF (QF) to Quick-Connect Couplings”

Your email address will not be published. Required fields are marked *

Related Products

Related products

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.

 

Shopping Cart
Scroll to Top