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Glass To Metal Adapters


ANCORP glass-to-metal adapters facilitate the attachment of glass accessories to (metal) high vacuum systems and to attach vacuum flange mounted instruments to glass systems. Two standard tube materials are available:


  • 7052 glass with Kovar sleeve material
  • 7740 Pyrex with 304 (non-magnetic) stainless steel sleeve material.

The Pyrex/304 stainless steel sleeve combination is recommended for cryogenic applications. Whereas, the 7052/Kovar sleeve combination has a lower temperature limit of -80° C (dry ice range). Two flange families are available: ISO-QF and CF. CF flange mounted tubes are suitable for ultra high (UHV) vacuum applications and are bakeable to 400° C.



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