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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

CF100 to ISO63 Adaptor SKU: SA1063 CF to ISO Tubulated reducing adaptors are used to change from a CF flange to an ISO mating flange enabling the fitting together of mismatched components.Manufactured from: 304L Stainless Steel. Helium Leak tested to10-10mbar. They are supplied in a plastic bag with protective plastic caps.The CF to ISO Tubulated Adaptors are manufactured to the CF & ISO Standards and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 150°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are available	CF150 to ISO100 Adaptor SKU: SA1510 CF to ISO Tubulated reducing adaptors are used to change from a CF flange to an ISO mating flange enabling the fitting together of mismatched components.Manufactured from: 304L Stainless Steel. Helium Leak tested to10-10mbar. They are supplied in a plastic bag with protective plastic caps.The CF to ISO Tubulated Adaptors are manufactured to the CF & ISO Standards and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 150°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are available	CF150 to ISO160 Adaptor SKU: SA1516 CF to ISO Tubulated reducing adaptors are used to change from a CF flange to an ISO mating flange enabling the fitting together of mismatched components.Manufactured from: 304L Stainless Steel. Helium Leak tested to10-10mbar. They are supplied in a plastic bag with protective plastic caps.The CF to ISO Tubulated Adaptors are manufactured to the CF & ISO Standards and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 150°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are available	CF150 to ISO63 Adaptor SKU: SA1563 CF to ISO Tubulated reducing adaptors are used to change from a CF flange to an ISO mating flange enabling the fitting together of mismatched components.Manufactured from: 304L Stainless Steel. Helium Leak tested to10-10mbar. They are supplied in a plastic bag with protective plastic caps.The CF to ISO Tubulated Adaptors are manufactured to the CF & ISO Standards and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 150°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are available
CF63 to ISO63 Adaptor SKU: SA6363 CF to ISO Tubulated reducing adaptors are used to change from a CF flange to an ISO mating flange enabling the fitting together of mismatched components.Manufactured from: 304L Stainless Steel. Helium Leak tested to10-10mbar. They are supplied in a plastic bag with protective plastic caps.The CF to ISO Tubulated Adaptors are manufactured to the CF & ISO Standards and are compatible with other supplier’s product.Material: 304L Stainless SteelBakeable to 150°CVacuum rating 1×10-11 mbarWide range of elbows, crosses, tees and adaptors are available	CF100 Straight Connector Fixed (Full Nipples) SKU: SC100 CF Straight Connectors Fixed are used to extend ports and pipework to a required length. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10mbar. They are supplied in a plastic bag with protective plastic caps. The Fixed CF Straight Connectors Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available	CF100 Straight Connector Rotatable (Full Nipples) SKU: SC100R CF Straight Connectors are used to extend ports and pipework to a required length. 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 Straight Connectors are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11mbar Wide range of elbows, crosses, tees and adaptors are available	CF150 Straight Connector Fixed (Full Nipples) SKU: SC150 CF Straight Connectors Fixed are used to extend ports and pipework to a required length. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10mbar. They are supplied in a plastic bag with protective plastic caps. The Fixed CF Straight Connectors Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available
CF150 Straight Connector Rotatable (Full Nipples) SKU: SC150R CF Straight Connectors are used to extend ports and pipework to a required length. 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 Straight Connectors are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11mbar Wide range of elbows, crosses, tees and adaptors are available	CF16 Straight Connector Fixed (Full Nipples) SKU: SC16 CF Straight Connectors Fixed are used to extend ports and pipework to a required length. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10mbar. They are supplied in a plastic bag with protective plastic caps. The Fixed CF Straight Connectors Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available	CF16 Straight Connector Rotatable (Full Nipples) SKU: SC16R CF Straight Connectors are used to extend ports and pipework to a required length. 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 Straight Connectors are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11mbar Wide range of elbows, crosses, tees and adaptors are available	CF200 Straight Connector Fixed (Full Nipples) SKU: SC200 CF Straight Connectors Fixed are used to extend ports and pipework to a required length. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10mbar. They are supplied in a plastic bag with protective plastic caps. The Fixed CF Straight Connectors Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available
CF200 Straight Connector Rotatable (Full Nipples) SKU: SC200R CF Straight Connectors are used to extend ports and pipework to a required length. 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 Straight Connectors are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11mbar Wide range of elbows, crosses, tees and adaptors are available	CF35 Straight Connector Fixed (Full Nipples) SKU: SC35 CF Straight Connectors Fixed are used to extend ports and pipework to a required length. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10mbar. They are supplied in a plastic bag with protective plastic caps. The Fixed CF Straight Connectors Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available	CF35 Straight Connector Rotatable (Full Nipples) SKU: SC35R CF Straight Connectors are used to extend ports and pipework to a required length. 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 Straight Connectors are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11mbar Wide range of elbows, crosses, tees and adaptors are available	CF63 Straight Connector Fixed (Full Nipples) SKU: SC63 CF Straight Connectors Fixed are used to extend ports and pipework to a required length. Manufactured from: 304L Stainless Steel. Helium Leak tested to 10-10mbar. They are supplied in a plastic bag with protective plastic caps. The Fixed CF Straight Connectors Fixed are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11 mbar Wide range of elbows, crosses, tees and adaptors are available
CF63 Straight Connector Rotatable (Full Nipples) SKU: SC63R CF Straight Connectors are used to extend ports and pipework to a required length. 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 Straight Connectors are manufactured to the CF Standard and are compatible with other supplier’s product. Material: 304L Stainless Steel Bakeable to 450°C Vacuum rating 1×10-11mbar Wide range of elbows, crosses, tees and adaptors are available	CF100 Silver Plated Bolts with Plain Stainless Steel Nuts and Washers for Joining Two Through Hole Flanges Together SKU: SPF100NBWS CF Nut Bolt & Washers with Silver Plated Bolts are used to Clamp two flanges together and compress them against the copper gasket creating a vacuum seal for applications involving Baking. The Silver Plating allows for easy disassembly after Baking Manufactured from: Stainless Steel. And Silver Plating CF Nut Bolt & Washer (Silver Plated Bolts) sets are supplied in sealed plastic bags. CF Nuts, Bolts & Washers (Silver Plated Bolts) are manufactured to the ISO standard and are compatible with other supplier’s products £ 23.91 23.91 GBP	CF100 Silver Plated Bolts with Plain Stainless steel Nuts and Washers for Joining a Through Hole to a Tapped Flange SKU: SPF100TBWS CF Nut Bolt & Washers with Silver Plated Bolts are used to Clamp two flanges together and compress them against the copper gasket creating a vacuum seal for applications involving Baking. The Silver Plating allows for easy disassembly after Baking Manufactured from: Stainless Steel. And Silver Plating CF Nut Bolt & Washer (Silver Plated Bolts) sets are supplied in sealed plastic bags. CF Nuts, Bolts & Washers (Silver Plated Bolts) are manufactured to the ISO standard and are compatible with other supplier’s products £ 20.20 20.2 GBP	CF150 Silver Plated Bolts with Plain Stainless Steel Nuts and Washers for Joining Two Through Hole Flanges Together SKU: SPF150NBWS CF Nut Bolt & Washers with Silver Plated Bolts are used to Clamp two flanges together and compress them against the copper gasket creating a vacuum seal for applications involving Baking. The Silver Plating allows for easy disassembly after Baking Manufactured from: Stainless Steel. And Silver Plating CF Nut Bolt & Washer (Silver Plated Bolts) sets are supplied in sealed plastic bags. CF Nuts, Bolts & Washers (Silver Plated Bolts) are manufactured to the ISO standard and are compatible with other supplier’s products £ 31.31 31.310000000000002 GBP