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Flanges & Components > ISO Flanges & Components > ISO Nipples

ISO-K Conical Reducer Nipples

We fabricate these ISO nipples (spools) for HV systems from 304L stainless steel tubing and ISO flanges. The ISO flange (also called Large ISO) is used for HV chamber ports and is available in two distinct styles; ISO-K which uses clamp fasteners and ISO-F which uses nut and bolt fasteners.

ISO Nipples Feature:

  • Half nipples feature one ISO flange
  • Full nipples feature two ISO flanges
  • Conical and straight reducer nipples adapt two different flange sizes
  • Common lengths and tube diameters listed; contact us with your specific requirements

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.

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Flange
Size/OD
(large)
Flange
Size/OD
Dim
A
Dim
B
Dim
C
Weight
lbs
PartNo Price Add Item
VacuCADSM
Flange
Size/OD
(large)
Flange
Size/OD
Dim
A
Dim
B
Dim
C
Weight
lbs
PartNo Price Add Item
VacuCADSM
ISO100 ISO63 4.12 3.87 2.37 4.5
QF100XQF63C
$253.00
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ISO100 ISO80 4.12 3.87 2.87 5
QF100XQF80C
$263.00
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ISO160 ISO100 6 5.87 3.87 5
QF160XQF100C
$407.00
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ISO160 ISO63 4.12 5.87 2.37 4.5
QF160XQF63C
$299.00
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ISO160 ISO80 6 5.87 2.87 5
QF160XQF80C
$387.00
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ISO80 ISO63 4.12 2.87 2.37 3.5
QF80XQF63C
$237.00
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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
Double Clamps (Aluminum)
ISO63 - ISO100 "K" Flanges
1
1/4 (0.11)
--
QF-SDC-AL1
$6.70
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Double Clamps (Aluminum)
ISO160 - ISO250 "K" Flanges
1
1/4 (0.11)
--
QF-SDC-AL2
$7.30
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Double Clamps (Aluminum)
ISO320 - ISO500 "K" Flanges
1
1/4 (0.11)
--
QF-SDC-AL3
$14.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO100 "K" Flanges
1
1 (0.45)
--
QF100-SAVR
$68.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO160 "K" Flanges
1
1 (0.45)
--
QF160-SAVR
$89.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO200 "K" Flanges
1
1 (0.45)
--
QF200-SAVR
$124.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO250 "K" Flanges
1
1 (0.45)
--
QF250-SAVR
$148.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO320 "K" Flanges
1
2 (0.91)
--
QF320-SAVR
$423.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO400 "K" Flanges
1
2 (0.91)
--
QF400-SAVR
$1,030.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO500 "K" Flanges
1
2 (0.91)
--
QF500-SAVR
$1,329.00
N/A
Centering Ring (SS with Fluorocarbon O-Ring)
ISO63 "K" Flanges
1
1 (0.45)
--
QF63-SAVR
$51.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO630 "K" Flanges
1
3 (1.36)
--
QF630-SAVR
$1,597.00
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Centering Ring (SS with Fluorocarbon O-Ring)
ISO80 "K" Flanges
1
1 (0.45)
--
QF80-SAVR
$71.00
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