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Flanges & Components > Adapters & Couplings > Glass to Metal Tube Adapters

Stainless Steel to Quartz Tube Adapters

Glass to metal tube adapters (seals) use a graded glass seal to join a metal tube to a glass tube. They are often used to observe a process or to provide electrical isolation.

Glass to Metal Tube Adapters Feature:

  • Glass seal materials available include 7740 Pyrex, 7052 glass, or quartz
  • Metal seal materials available include Kovar or stainless steel
  • Tube End Type Bakeable to 400°C
  • CF Flanged Type Bakeable to 400°C
  • ISO Flanged Type Bakeable to 200°C (Bake Temperature is O-Ring Seal Dependant)
  • Seal Configurations Available:
    • glass tube - metal tube
    • glass dome end - metal tube
    • glass tube - metal tube - glass tube
    • metal tube - glass tube - metal tube
    • glass tube - flex hose - metal tube

NOTE: We also offer nonstandard sizes, larger sizes, custom lengths, and adapters with bellows (to compensate for misalignments). Please contact us for details.

Dimensional Drawings

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Ordering Table

(Click column headers to sort data)

Nominal
Tube OD
Glass Size Dim
L
Dim
G
PartNo Price Add Item
VacuCADSM
Nominal
Tube OD
Glass Size Dim
L
Dim
G
PartNo Price Add Item
VacuCADSM
0.19 0.19 5.25 3.5
GMQS018TE
$140.00
N/A
0.25 0.25 5.25 3.5
GMQS025TE
$133.00
N/A
0.31 0.31 5.25 3.5
GMQS031TE
$133.00
N/A
0.38 0.38 5.5 3.75
GMQS037TE
$133.00
N/A
0.5 0.5 5.5 3.75
GMQS050TE
$153.00
N/A
0.63 0.63 5.88 4.13
GMQS062TE
$174.00
N/A
0.75 0.75 6 4.25
GMQS075TE
$196.00
N/A
0.88 0.88 6.25 4.5
GMQS087TE
$223.00
N/A
1 1 6.38 4.63
GMQS100TE
$238.00
N/A
1.13 1.13 6.38 4.63
GMQS112TE
$250.00
N/A
1.25 1.25 6.63 4.88
GMQS125TE
$279.00
N/A
1.38 1.38 6.63 4.88
GMQS137TE
$302.00
N/A
1.5 1.5 6.75 5
GMQS150TE
$342.00
N/A
1.63 1.63 6.75 5
GMQS162TE
$404.00
N/A
1.75 1.75 7.5 5.5
GMQS175TE
$430.00
N/A
2 2 8 5.75
GMQS200TE
$604.00
N/A
2.25 2.25 8 5.75
GMQS225TE
$776.00
N/A
2.5 1.5 8.25 6
GMQS250TE
$941.00
N/A
3 3 8.5 6.25
GMQS300TE
$1,292.00
N/A
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.

ISO:9001 The Kurt J. Lesker Company is an ISO:9001 certified company. Copyright ©1996-2017 Kurt J. Lesker Company® All rights reserved.