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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

CF200 to CF100 Unequal Tee Fixed SKU: UTE2010 CF Unequal Tees Fixed are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.CF Unequal Tees Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF200 to CF100 Unequal Tee 2 Flanges Rotatable SKU: UTE2010R CF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF Unequal Tees are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF200 to CF150 Unequal Tee 2 Flanges Rotatable SKU: UTE2015R CF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF Unequal Tees are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF200 to CF35 Unequal Tee Fixed SKU: UTE2035 CF Unequal Tees Fixed are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.CF Unequal Tees Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available
CF200 to CF35 Unequal Tee 2 Flanges Rotatable SKU: UTE2035R CF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF Unequal Tees are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF35 to CF16 Unequal Tee Fixed SKU: UTE3516 CF Unequal Tees Fixed are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.CF Unequal Tees Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF35 to CF16 Unequal Tee 2 Flanges Rotatable SKU: UTE3516R CF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF Unequal Tees are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF63 to CF16 Unequal Tee Fixed SKU: UTE6316 CF Unequal Tees Fixed are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.CF Unequal Tees Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available
CF63 to CF16 Unequal Tee 2 Flanges Rotatable SKU: UTE6316R CF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF Unequal Tees are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF63 to CF35 Unequal Tee Fixed SKU: UTE6335 CF Unequal Tees Fixed are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.CF Unequal Tees Fixed are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF63 to CF35 Unequal Tee 2 Flanges Rotatable SKU: UTE6335R CF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF Unequal Tees are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & crosses are available	CF100 to CF16 4 Way Reducing Cross Fixed SKU: UX1016 CF 4 Way Crosses are used to bring in two branch lines of the same size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Crosses are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available
CF100 to CF35 4 Way Reducing Cross Fixed SKU: UX1035 CF 4 Way Crosses are used to bring in two branch lines of the same size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Crosses are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available	CF100 to CF35 4 Way Reducing Cross 2 Flanges Rotatable SKU: UX1035R CF 4 Way Reducing Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Reducing Cross 2 Flanges Rotatable are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available	CF100 to CF63 4 Way Reducing Cross Fixed SKU: UX1063 CF 4 Way Crosses are used to bring in two branch lines of the same size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Crosses are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available	CF100 to CF63 4 Way Reducing Cross 2 Flanges Rotatable SKU: UX1063R CF 4 Way Reducing Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Reducing Cross 2 Flanges Rotatable are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available
CF150 to CF100 4 Way Reducing Cross Fixed SKU: UX1510 CF 4 Way Crosses are used to bring in two branch lines of the same size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Crosses are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available	CF150 to CF100 4 Way Reducing Cross 2 Flanges Rotatable SKU: UX1510R CF 4 Way Reducing Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Reducing Cross 2 Flanges Rotatable are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available	CF150 to CF35 4 Way Reducing Cross Fixed SKU: UX1535 CF 4 Way Crosses are used to bring in two branch lines of the same size into a main line.Manufactured from: 304L stainless steel. Helium Leak tested to10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps.The CF 4 Way Crosses are manufactured to the CF Standard and are compatible with other supplier’s product.Material: stainless steelBakeable to 450°CVacuum rating 1×10-11 mbarWide range of elbows & tees are available	CF150 to CF35 4 Way Reducing Cross 2 Flanges Rotatable SKU: UX1535R CF150 to CF35 4 Way Reducing Cross 2 Flanges Rotatable CF 4 Way Reducing Crosses are used to bring two Branch lines of a different size into a main line. Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. They are supplied in a sealed plastic bag with protective plastic caps. The CF 4 Way Reducing Cross 2 Flanges Rotatable are manufactured to the CF Standard and are compatible with other supplier’s product. Material: stainless steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows & tees are available