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Flanges & Components > Adapters & Couplings > Flange to Fitting Adapters

KF to Swagelok® Adapter

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

Flange to Swagelok Adapter Features:

  • Swagelok fittings provide a torque-free seal at all tubing connections which eliminates hazardous leaks
  • Adapters available in either CF or KF flange terminations
  • CF flanged adapters are UHV compatible

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Flange
Size/OD
Fitting Weight
lbs
PartNo Price Add Item
VacuCADSM
Flange
Size/OD
Fitting Weight
lbs
PartNo Price Add Item
VacuCADSM
KF16 1/16" Swagelok 0.25
QF16X1SWG
$54.00
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KF16 1/8" Swagelok 0.25
QF16X2SWG
$59.00
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KF16 1/4" Swagelok 0.25
QF16X4SWG
$59.00
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KF16 3/8" Swagelok 0.25
QF16X6SWG
$67.00
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KF16 1/2" Swagelok 0.25
QF16X8SWG
$85.00
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KF25 1/16" Swagelok 0.25
QF25X1SWG
$59.00
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KF25 1/8" Swagelok 0.25
QF25X2SWG
$63.00
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KF25 1/4" Swagelok 0.25
QF25X4SWG
P.O.R.
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KF25 3/8" Swagelok 0.25
QF25X6SWG
$74.00
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KF25 1/2" Swagelok 0.25
QF25X8SWG
$81.00
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KF40 1/16" Swagelok 0.25
QF40X1SWG
$71.00
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KF40 1/8" Swagelok 0.25
QF40X2SWG
$68.00
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KF40 1/4" Swagelok 0.25
QF40X4SWG
$70.00
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KF40 3/8" Swagelok 0.25
QF40X6SWG
$81.00
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KF40 1/2" Swagelok 0.25
QF40X8SWG
$86.00
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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 Weight lbs (kg) Manual PartNo Price Add Item
VacuCADSM
Description For Per Package Weight lbs (kg) Manual PartNo Price Add Item
VacuCADSM
Cast Clamps (SS)
KF10, KF16 Flanges
1
3/4 (0.34)
--
QF16-075-CS
$46.00
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Cast Clamps (SS)
KF25 Flanges
1
1 (0.45)
--
QF25-100-CS
$57.00
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Cast Clamps (SS)
KF40 Flanges
1
1-1/2 (0.68)
--
QF40-150-CS
$67.00
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Cast Clamps (SS)
KF50 Flanges
1
2 (0.91)
--
QF50-200-CS
$79.00
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Lever Clamps (Aluminum)
KF10, KF16 Flanges
1
1/2 (0.22)
--
QF16-075-CHA
$33.00
N/A
Lever Clamps (Aluminum)
KF25 Flanges
1
3/4 (0.34)
--
QF25-100-CHA
$46.00
N/A
Lever Clamps (Aluminum)
KF40 Flanges
1
3/4 (0.34)
--
QF40-150-CHA
$54.00
N/A
Centering Ring (SS with Fluorocarbon O-Ring)
KF10 Flanges
1
1/4 (0.11)
--
QF10-050-SRV
$6.40
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Centering Ring (SS with Fluorocarbon O-Ring)
KF16 Flanges
1
1/4 (0.11)
--
QF16-075-SRV
$6.70
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Centering Ring (SS with Fluorocarbon O-Ring)
KF25 Flanges
1
1/4 (0.11)
--
QF25-100-SRV
$8.50
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Centering Ring (SS with Fluorocarbon O-Ring)
KF40 Flanges
1
1/4 (0.11)
--
QF40-150-SRV
$13.00
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Centering Ring (SS with Fluorocarbon O-Ring)
KF50 Flanges
1
1/4 (0.11)
--
QF50-200-SRV
$15.00
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