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

CF63 to CF35 4 Way Reducing Cross Fixed SKU: UX6335 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 to 10-10 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 Steel • Bakeable to 450°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows and tees are available ...more Call for price	CF63 to CF35 4 Way Reducing Cross 2 Flanges Rotatable SKU: UX6335R 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 and tees are available ...more Call for price	Viewport Shutter, Swing Type, 100% Full Coverage, 67mm Aperture, CF100 ID / 152mm OD Flange SKU: VPS100ST Some operations in the vacuum system may cause damage to the window. For example, metal evaporation in ultra-high vacuum systems can cause the surface of the window to be coated, making the inner surface of the window a reflective mirror. This results in the need to remove the window and clean the surface before reuse. To overcome this problem, we provide a series of window baffles. We provide lamella shutter and shutter shutters to choose from. Shutter shutters are aimed at large observation ports. The advantage is that the shutter opening movement traces are smooth and the amplitude is small. ...more Add to Cart £ 936.54 936.54 GBP	Viewport Shutter, Venetian Type, 67mm Aperture, CF152 Flange SKU: VPS100VB Some operations in the vacuum system may cause damage to the window. For example, metal evaporation in ultra-high vacuum systems can cause the surface of the window to be coated, making the inner surface of the window a reflective mirror. This results in the need to remove the window and clean the surface before reuse. To overcome this problem, we provide a series of window baffles. We provide lamella shutter and shutter shutters to choose from. Shutter shutters are aimed at large observation ports. The advantage is that the shutter opening movement traces are smooth and the amplitude is small. ...more Add to Cart £ 1,739.00 1739.0 GBP
Viewport Shutter Pneumatic, Swing Type, 100% Full Coverage, 96mm Aperture, CF152 ID / 203mm OD Flange SKU: VPS150ST Some operations inside a vacuum system can cause harm or damage to a viewport. For example, evaporation of metals in the UHV system can cause the viewport surface to become quickly coated, resulting in a mirror reflective surface. Removal and cleaning of the viewport will then be necessary before reusing it. To overcome these problems, we offer a range of viewport shutters, both Full-Coverage Swing Type and Venetian Blind Type (the latter being especially useful where a low profile when opened is preferable). ...more Add to Cart £ 1,580.00 1580.0 GBP	Viewport Shutter, Swing Type, 100% Full Coverage, 26mm Aperture, CF70 Flange SKU: VPS35ST Some operations in the vacuum system may cause damage to the window. For example, metal evaporation in ultra-high vacuum systems can cause the surface of the window to be coated, making the inner surface of the window a reflective mirror. This results in the need to remove the window and clean the surface before reuse. To overcome this problem, we provide a series of window baffles. We provide lamella shutter and shutter shutters to choose from. Shutter shutters are aimed at large observation ports. The advantage is that the shutter opening movement traces are smooth and the amplitude is small. ...more Add to Cart £ 790.59 790.59 GBP	Viewport Shutter, Swing Type, 100% Full Coverage, 45mm Aperture, CF114 Flange SKU: VPS63ST Some operations in the vacuum system may cause damage to the window. For example, metal evaporation in ultra-high vacuum systems can cause the surface of the window to be coated, making the inner surface of the window a reflective mirror. This results in the need to remove the window and clean the surface before reuse. To overcome this problem, we provide a series of window baffles. We provide lamella shutter and shutter shutters to choose from. • Shutter shutters are aimed at large observation ports. • The advantage is that the shutter opening movement traces are smooth and the amplitude is small. ...more Add to Cart £ 822.00 822.0 GBP	CF100 Zero Length Viewport SKU: VPZ100 CF Zero length Viewports are used to view the interior of the vacuum chamber and view the process and/or manipulation. 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 Zero-length Viewport is manufactured to the CF Standard and is compatible with other supplier’s product. • Material: Kodial • Bakeable up to 200°C at not greater than 2-3 °C per minute • To be used with annealed copper gaskets • Vacuum Rating 1×10-11 mbar ...more Call for price
CF150 Zero Length Viewport SKU: VPZ150 CF Zero length Viewports are used to view the interior of the vacuum chamber and view the process and/or manipulation. 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 Zero-length Viewport is manufactured to the CF Standard and is compatible with other supplier’s product. • Material: Kodial • Bakeable up to 200°C at not greater than 2-3 °C per minute • To be used with annealed copper gaskets • Vacuum Rating 1×10-11 mbar ...more Add to Cart £ 466.66 466.66 GBP	CF16 Zero Length Viewport SKU: VPZ16 CF Zero length Viewports are used to view the interior of the vacuum chamber and view the process and/or manipulation. 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 Zero-length Viewport is manufactured to the CF Standard and is compatible with other supplier’s product. • Material: Kodial • Bakeable up to 200°C at not greater than 2-3 °C per minute • To be used with annealed copper gaskets • Vacuum Rating 1×10-11 mbar ...more Add to Cart £ 75.00 75.0 GBP	CF35 Zero Length Viewport SKU: VPZ35 CF Zero length Viewports are used to view the interior of the vacuum chamber and view the process and/or manipulation. 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 Zero-length Viewport is manufactured to the CF Standard and is compatible with other supplier’s product. • Material: Kodial • Bakeable up to 200°C at not greater than 2-3 °C per minute • To be used with annealed copper gaskets • Vacuum Rating 1×10-11 mbar ...more Call for price	CF63 Zero Length Viewport SKU: VPZ63 CF Zero length Viewports are used to view the interior of the vacuum chamber and view the process and/or manipulation. 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 Zero-length Viewport is manufactured to the CF Standard and is compatible with other supplier’s products. • Material: Kodial • Bakeable up to 200°C at not greater than 2-3 °C per minute • To be used with annealed copper gaskets • Vacuum Rating 1×10-11 mbar ...more Add to Cart £ 145.00 145.0 GBP
CF100 4 Way Cross Fixed SKU: X100 CF 4 Way Cross Fixed are used to bring in two branch lines of the same 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 4 Way Fixed Crosses 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 and tees are available ...more Call for price	CF100 4 Way Cross 2 Flanges Rotatable SKU: X100R 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 to 10-10 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 Steel • Bakeable to 450°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows and tees are available ...more Add to Cart £ 385.65 385.65000000000003 GBP	CF150 4 Way Cross Fixed SKU: X150 CF 4 Way Cross Fixed are used to bring in two branch lines of the same 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 4 Way Fixed Crosses 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 and tees are available ...more Call for price	CF150 4 Way Cross 2 Flanges Rotatable SKU: X150R 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 to 10-10 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 steel • Bakeable to 450°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows and tees are available ...more Call for price
CF16 4 Way Cross Fixed SKU: X16 CF 4 Way Cross Fixed are used to bring in two branch lines of the same 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 4 Way Fixed Crosses 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 and tees are available ...more Add to Cart £ 85.00 85.0 GBP	CF16 4 Way Cross Rotatable SKU: X16R 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 to 10-10 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 steel • Bakeable to 450°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows and tees are available ...more Add to Cart £ 89.38 89.38 GBP	CF200 4 Way Cross Fixed SKU: X200 CF 4 Way Cross Fixed are used to bring in two branch lines of the same 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 4 Way Fixed Crosses 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 and tees are available ...more Call for price	CF200 4 Way Cross 2 Flanges Rotatable SKU: X200R 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 to 10-10 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 Steel • Bakeable to 450°C • Vacuum Rating 1×10-11 mbar • Wide range of elbows and tees are available ...more Call for price

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