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Glass to Metal Tube Adapters

Glass to Metal Tube Adapter Components

AGP offers a wide selection of durable and reliable high and ultrahigh vacuum glass-to-metal tube adapters.

Click "Read More" or a category below for more information.

Glass to Metal Tube Adapters

The process used to join 7052 borosilicate glass or 7740 Pyrex® to low-expansion NiFe alloys such as Kovar®, and/or non-magnetic 304 stainless steel, is a highly specialized technology.

Accu-Glass offers a wide selection of durable and reliable high and ultrahigh vacuum glass-to-metal tube adapters.

Glass to Metal Tube Adapter Material Specifications
Material  
  • Flange
  • Bellows
  • Tube, Metal
  • Tube, Borosilicate Glass


304 Stainless Steel
304 Stainless Steel
Kovar® or 304 Stainless Steel
7740 Pyrex® or 7052

Glass to Metal Tube Adapters Vacuum Range Specifications
Vacuum Range  
  • UHV, Ultrahigh vacuum
  • HV, High vacuum

1x10-10 Torr
1x10-8 Torr
Glass to Metal Tube Adapter Temperature Range Specifications
Temperature Range  
  • Glass to Metal Interface
  • Flange Mount, Conflat
  • Flange Mount, ISO
  • Thermal Gradient


450ºC
450ºC
150ºC
25ºC / Minute Maximum

* Overall assembly ratings must be adjusted to that of the lowest rated component.  

Our glass-to-metal adapters are available in rigid and flexible (with stainless steel bellows) configurations and fitted with industry standard ISO or CF vacuum flange mounts. These adapters are designed for simple and reliable installation of 'tubular' laboratory glass instruments onto 'metallic' high and ultrahigh vacuum systems and/or the attachment of standard metal vacuum components onto glass laboratory apparatus. Single and double-ended flanged configurations with open, closed, rigid and flexible interfaces are available. Single ended devices have either open or closed (domed) glass tube terminations on the end opposite the vacuum flange mount. UHV rated adapters are fitted with Conflat® compatible, metal seal CF flanges, while HV rated devices use standard, elastomer seal, quick-release ISO NW KF and LF flanges.