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KF (QF) to Quick-Connect Couplings

Flange to quick connect coupling adapters allow the mating of one type of flange system to a quick connect coupling. All of our flange to fitting adapters are manufactured from 304 series stainless steel (unless otherwise noted).

Flange to Quick Connect Coupling Adapter Features:

  • Makes a vacuum joint with any smooth-surfaced standard O.D. tube
  • Commonly used to attach tubulated ion or thermocouple gauges to a system
  • Adapters available in either CF or KF flange terminations
  • Dual coupling versions ideal for easy fluid circulation
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To contact someone directly, please click here, or call +1 412 387 9200 to get in contact with your dedicated sales team.
Notes:
  • Care should be taken not to chip, crack or over tighten the compression fitting on glass neck tubes.
  • We recommend using a high quality thread lubricant on all stainless steel threads (sold below).

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Ordering Table

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Flange Selection Guide
With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at +1 412 387 9200 or email international@lesker.com with your inquiry.

Accessories Table

Description For Per Package
VacuCADSM
Part Number Price In Stock Add Item
Description For Per Package
VacuCADSM
Part Number Price In Stock Add Item
Cast Clamps (SS) KF10, KF16 Flanges 1
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QF16-075-CS
$46.25 In Stock
Cast Clamps (SS) KF25 Flanges 1
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QF25-100-CS
$57.30 In Stock
Cast Clamps (SS) KF40 Flanges 1
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QF40-150-CS
$67.35 In Stock
Cast Clamps (SS) KF50 Flanges 1
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QF50-200-CS
$79.40 In Stock
Lever Clamps (Aluminum) KF10, KF16 Flanges 1
N/A
QF16-075-CHA
$33.20 In Stock
Lever Clamps (Aluminum) KF25 Flanges 1
N/A
QF25-100-CHA
$46.35 In Stock
Lever Clamps (Aluminum) KF40 Flanges 1
N/A
QF40-150-CHA
$54.72 Call for Availability
Centering Ring (SS with Fluorocarbon O-Ring) KF10 Flanges 1
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QF10-050-SRV
$6.45 In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF16 Flanges 1
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QF16-075-SRV
$6.75 In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF25 Flanges 1
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QF25-100-SRV
$8.55 In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF40 Flanges 1
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QF40-150-SRV
$13.10 In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF50 Flanges 1
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QF50-200-SRV
$15.10 In Stock
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Contact Us - KF (QF) to Quick-Connect Couplings