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Non-Magnetic Adapters

Single-flanged closed-end CF adapter Show Domed, Single-Flange for Single-flanged closed-end CF adapter
Domed, Single-Flange
Single-flanged open-end CF adapter Show Open, Single-Flange for Single-flanged open-end CF adapter
Open, Single-Flange
Dual-flanged open-end CF adapter Show Open, Dual-Flange for Dual-flanged open-end CF adapter
Open, Dual-Flange
Non-Magnetic Pyrex-to-Stainless Adapters

Pyrex-to-Stainless Non-Magnetic Tube Adapters

The process of hermetically bonding/joining Pyrex (Corning 7740 or equivalent) glass tubing to a non-magnetic 304 stainless steel tube, is a highly specialized technology. Accu-Glass offers a wide selection of durable and reliable high vacuum (HV) and ultrahigh vacuum (UHV) Pyrex-to-metal tube adapters.

Our Pyrex-to-metal tube adapters are available in rigid and flexible (with stainless steel bellows) configurations and fitted with industry standard ISO or CF vacuum flange mounts. These non-magnetic glass 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.  Vacuum rated adapters are fitted with Conflat® compatible, metal seal CF flanges, while HV rated devices use standard, elastomer seal, quick-release ISO NW KF or LF flanges.

For more information, see specifications below.

Material

  • Flange, 304 Stainless Steel
  • Metal Tube, 304 Stainless Steel
  • Glass Tube, Pyrex / Corning 7740 Borosilicate Glass (or equivalent)

Vacuum Range

  • UHV, Ultrahigh Vacuum to 1x10E-10 Torr
  • HV, High Vacuum to 1x10E-8 Torr

Temperature Range*

  • Glass to Metal Interface, 450ºC
  • CF Flange Mount, 450ºC
  • ISO Flange Mount, 150ºC (200ºC Intermittent)
  • Thermal Gradient, 10ºC / Minute Maximum

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