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

Stainless Steel to Quartz Dome CF Adapters

Glass to metal tube flanged 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 Flanged 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)
  • CF or KF flange terminations available
  • 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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VacuCAD is a free library containing thousands of 2D CAD drawings (in DXF format) and 3D Models (in STP format) for many of our standard vacuum components and chambers. Please Log in

Ordering Table

(Click column headers to sort data)

Flange
Size/OD
Glass Size Dim
L
Dim
G
PartNo Price Add Item
VacuCADSM
Flange
Size/OD
Glass Size Dim
L
Dim
G
PartNo Price Add Item
VacuCADSM
1-1/3" 0.5 6.63 4.75
GMQS050F1RN
$345.00
N/A
1-1/3" 0.75 7.38 5.5
GMQS075F1RN
$345.00
N/A
2-3/4" 1 7.5 5.63
GMQS100F3RN
$417.00
N/A
2-3/4" 1.5 7.88 6
GMQS150F3RN
$566.00
N/A
3-3/8" 1.5 7.88 6
GMQS150F4RN
$597.00
N/A
3-3/8" 2 8.63 6.25
GMQS200F4RN
$903.00
N/A
4-1/2" 2 8.63 6.25
GMQS200F5RN
$929.00
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.

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
1/4 Hard OFHC Copper Gasket
1-1/3" (DN16CF) Nipples
10
1/4 (0.11)
--
GA-0133
$20.90
(please log in)
1/4 Hard OFHC Copper Gasket
2-1/8" (DN25CF) Nipples
10
1/4 (0.11)
--
GA-0212
$23.90
(please log in)
1/4 Hard OFHC Copper Gasket
2-3/4" (DN35-DN40CF) Nipples
10
1/4 (0.11)
--
GA-0275
$27.20
(please log in)
1/4 Hard, 1.53" I.D.* OFHC Copper Gasket
2-3/4" (DN35-DN40CF) Nipples
10
1/4 (0.11)
--
GA-0275LB
$27.20
(please log in)
1/4 Hard OFHC Copper Gasket
3-3/8" (DN50CF) Nipples
10
1/2 (0.22)
--
GA-0337
$30.90
(please log in)
1/4 Hard OFHC Copper Gasket
4-1/2" (DN63CF) Nipples
10
3/4 (0.34)
--
GA-0450
$37.00
(please log in)
1/4 Hard OFHC Copper Gasket
4-5/8" (DN75CF) Nipples
10
1 (0.45)
--
GA-0462
$44.00
(please log in)
1/4 Hard OFHC Copper Gasket
6" (DN100CF) Nipples
10
1-1/2 (0.68)
--
GA-0600
$55.00
(please log in)
1/4 Hard OFHC Copper Gasket
6-3/4" (DN125CF) Nipples
10
1-1/2 (0.68)
--
GA-0675
$66.00
(please log in)
1/4 Hard OFHC Copper Gasket
8" (DN160CF) Nipples
10
2 (0.91)
--
GA-0800
$78.00
(please log in)
1/4 Hard OFHC Copper Gasket
10" (DN200CF) Nipples
10
3 (1.36)
--
GA-1000
$96.00
(please log in)
1/4 Hard OFHC Copper Gasket
13-1/4" CF Nipples
1
1/4 (0.11)
--
GA-1325
$54.00
(please log in)
1/4—28 x 1-3/8" Bolt & Nut Set
2-1/8" (DN25CF) Nipples
25
1 (0.45)
--
HBS25028138
$30.30
(please log in)
1/4—28 x 1-3/8" Bolt & Nut Set
2-3/4" (DN35-DN40CF) Nipples
25
1 (0.45)
--
HBS25028138
$30.30
(please log in)
5/16—24 x 1-3/4" Bolt & Nut Set
3-3/8" (DN50CF) Nipples
25
2 (0.91)
--
HBS31224175
$39.00
(please log in)
5/16—24 x 2" Bolt & Nut Set
4-1/2" (DN63CF) Nipples
25
2 (0.91)
--
HBS31224200
$33.00
(please log in)
5/16—24 x 2" Bolt & Nut Set
4-5/8" (DN75CF) Nipples
25
2 (0.91)
--
HBS31224200
$33.00
(please log in)
5/16—24 x 2" Bolt & Nut Set
6" (DN100CF) Nipples
25
2 (0.91)
--
HBS31224200
$33.00
(please log in)
5/16—24 x 2-1/4" Bolt & Nut Set
6-3/4" (DN125CF) Nipples
25
2 (0.91)
--
HBS31224225
$39.00
(please log in)
5/16—24 x 2-1/4" Bolt & Nut Set
8" (DN160CF) Nipples
25
2 (0.91)
--
HBS31224225
$39.00
(please log in)
5/16—24 x 2-1/2" Bolt & Nut Set
10" (DN200CF) Nipples
25
2 (0.91)
--
HBS31224250
$29.90
(please log in)
3/8—24 x 3" Bolt & Nut Set
13-1/4" CF Nipples
30
4 (1.81)
--
HBS37524300
$48.00
N/A
Gasket Removal Tool
All CF Nipples
1
1/4 (0.11)
--
VZGRT
$38.00
N/A
4 oz. Tube Anti-Seize Thread Lube
All CF Nipples
1
1/4 (0.11)
--
VZTL-4OZ
P.O.R.
N/A

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