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CF Fittings

CF Fittings


CF Vacuum Fittings on this site comply with the ISO 3669 standard and CF Vacuum Fittings up to NW200 are compatible with ConFlat flanges and CF flanges from other leading manufacturers.

While there is no general standard for CF flanges NW250 and over, essentially two “standards” have come into use, one Anglo-American and one European, both of which are available in our product line. Other standards are also used by some other manufacturers and in use at some research centres.

Due to UHV bakeability requirements, sealing of the CF flanges is provided by use of Oxygen-free copper (OFHC) flat gasket rings which usually can only be used once due to deformation. The tightening pressure is exerted by through-bore screws that have to be tightened uniformly and crosswise to avoid excessive strain.

  • Material: 304L stainless steel as standard, 316L and other materials can be supplied upon request
  • Bakeable to 450°C
  • Vacuum rating 1×10-11mbar
  • Wide ranges of elbows, crosses, tees and adaptors are available
  • Tubulated flanges are available for welding to stainless steel tube
CF16 to KF10 Tubulated Adaptor
SKU: KA1610
CF to KF Tubulated reducing adaptors are used to change from a CF flange to a KF mating flange enabling the fitting together of mismatched components. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10 mbar. They are supplied in a plastic bag with protective plastic caps. The CF to KF Tubulated Adaptors are manufactured to the CF and KF Standards and are compatible with other supplier’s product. • Material: 304L Stainless Steel • Bakeable to 150°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows, crosses, tees and adaptors are available ...more
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CF16 to KF16 Tubulated Adaptor
SKU: KA1616
CF to KF Tubulated reducing adaptors are used to change from a CF flange to a KF mating flange enabling the fitting together of mismatched components. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10 mbar. They are supplied in a plastic bag with protective plastic caps. The CF to KF Tubulated Adaptors are manufactured to the CF and KF Standards and are compatible with other supplier’s product. • Material: 304L Stainless Steel • Bakeable to 150°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows, crosses, tees and adaptors are available ...more
Call for price