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A&N 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: 1) 7052 glass with Kovar sleeve material or 2) 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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