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90° KF (QF) HV Radius Elbows

We fabricate these KF (QF) elbows for HV systems from tubing and KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.

KF Elbows Feature:

  • Available in 316L stainless steel or aluminum 6061-T6 (miter elbows only)
  • Radius or miter design
  • Common lengths and tube diameters listed; contact us with your specific requirements
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Questions? Let's Talk!
Contact your dedicated Lesker sales team today.
+1 800 245 1656
Note:
  • special case note
    These flanges are identical to the ISO NW flange standard. While these flanges are compatible with those made by European manufacturers, the tube diameter listed is in inches.

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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 +1 800 245 1656 or email salesus@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
$62.25
In Stock
Cast Clamps (SS) KF25 Flanges 1
(please log in)
QF25-100-CS
$68.85
In Stock
Cast Clamps (SS) KF40 Flanges 1
(please log in)
QF40-150-CS
$75.00
In Stock
Cast Clamps (SS) KF50 Flanges 1
(please log in)
QF50-200-CS
$90.00
In Stock
Cast Clamps (Aluminum) KF10, KF16 Flanges 1
(please log in)
QF16-075-C
$6.95
In Stock
Cast Clamps (Aluminum) KF25 Flanges 1
(please log in)
QF25-100-C
$8.80
In Stock
Cast Clamps (Aluminum) KF40 Flanges 1
(please log in)
QF40-150-C
$10.15
In Stock
Cast Clamps (Aluminum) KF50 Flanges 1
(please log in)
QF50-200-C
$16.60
In Stock
Lever Clamps (Aluminum) KF10, KF16 Flanges 1
N/A
QF16-075-CHA
$52.85
In Stock
Lever Clamps (Aluminum) KF25 Flanges 1
N/A
QF25-100-CHA
$75.00
In Stock
Lever Clamps (Aluminum) KF40 Flanges 1
N/A
QF40-150-CHA
$87.65
In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF10 Flanges 1
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QF10-050-SRV
$7.75
In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF16 Flanges 1
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QF16-075-SRV
$8.55
In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF25 Flanges 1
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QF25-100-SRV
$11.25
In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF40 Flanges 1
(please log in)
QF40-150-SRV
$13.50
In Stock
Centering Ring (SS with Fluorocarbon O-Ring) KF50 Flanges 1
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QF50-200-SRV
$19.50
In Stock
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Contact Us - 90° KF (QF) HV Radius Elbows