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KF Fittings

The KF ranges of flanges and fittings are manufactured from high quality stainless steel. KF flanges utilize an aluminium clamp with a single wingnut fastener allowing frequent disassembly without tools.

The vacuum seal is effected by uniform applications of pressure by the clamp on the 15° surface of the flange. The mating flange surfaces compress an ‘O’-ring (held in place by a metal ring) to produce a seal that can used in vacuum applications down to 10-8 mbar and baked to 200°C (sustained to 150°C)

Advanced sealing material such as aluminium or copper may be used, when the joints have to be operated or baked at elevated temperatures or if high corrosion resistance and/or electrical insulation are required.

Our vacuum components are bead-blasted inside and outside, unless otherwise stated. The sealing faces are polished mechanically.

All components are subjected to a leak testing protocol.

KF50 to KF40 Unequal Tee SKU: UTE5040K KF Unequal Tees are used to bring a Branch line of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Unequal Tees are supplied in a sealed plastic bag with protective plastic caps.KF Unequal Tees are manufactured to the ISO Standard and are compatible with other supplier’s product.	KF16 Vacuum Viewport SKU: VPZ16K KF Vacuum 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. KF Vacuum Viewports are supplied in a sealed plastic bag with protective plastic caps. The KF Vacuum Viewports are manufactured to the KF Standard and are compatible with other supplier’s product. Bakeable up to 150°C at not greater than 2-3 °C per minute Wide range of KF Elbows, KF Crosses, KF Tees, KF Flanges & KF Adapters are available Tubulated Vacuum Flanges are available for welding to a stainless steel tube Vacuum rating 1×10-8 mbar	KF25 Vacuum Viewport SKU: VPZ25K KF Vacuum 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. KF Vacuum Viewports are supplied in a sealed plastic bag with protective plastic caps. The KF Vacuum Viewports are manufactured to the KF Standard and are compatible with other supplier’s product. Bakeable up to 150°C at not greater than 2-3 °C per minute Wide range of KF Elbows, KF Crosses, KF Tees, KF Flanges & KF Adapters are available Tubulated Vacuum Flanges are available for welding to a stainless steel tube Vacuum rating 1×10-8 mbar	KF40 Vacuum Viewport SKU: VPZ40K KF Vacuum 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. KF Vacuum Viewports are supplied in a sealed plastic bag with protective plastic caps. The KF Vacuum Viewports are manufactured to the KF Standard and are compatible with other supplier’s product. Bakeable up to 150°C at not greater than 2-3 °C per minute Wide range of KF Elbows, KF Crosses, KF Tees, KF Flanges & KF Adapters are available Tubulated Vacuum Flanges are available for welding to a stainless steel tube Vacuum rating 1×10-8 mbar
KF50 Vacuum Viewport SKU: VPZ50K KF Vacuum 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. KF Vacuum Viewports are supplied in a sealed plastic bag with protective plastic caps. The KF Vacuum Viewports are manufactured to the KF Standard and are compatible with other supplier’s product. Bakeable up to 150°C at not greater than 2-3 °C per minute Wide range of KF Elbows, KF Crosses, KF Tees, KF Flanges & KF Adapters are available Tubulated Vacuum Flanges are available for welding to a stainless steel tube Vacuum rating 1×10-8 mbar	KF16 4 Way Cross SKU: X16K KF 4 Way Crosses are used to bring in two branch lines of the same size into a main line. KF 4 Way Crosses are manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 51.20 51.2 GBP	KF25 4 Way Cross SKU: X25K KF 4 Way Crosses are used to bring in two branch lines of the same size into a main line. KF 4 Way Crosses are manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 59.50 59.5 GBP	KF25 to KF10 Reducing 4 Way Cross SKU: X25K10 KF Reducing 4 way Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Reducing 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps.KF Reducing 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 40.99 40.99 GBP
KF25 to KF16 Reducing 4 Way Cross SKU: X25K16 KF Reducing 4 way Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Reducing 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps.KF Reducing 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 61.20 61.2 GBP	KF40 4 Way Cross SKU: X40K KF 4 Way Crosses are used to bring in two branch lines of the same size into a main line. KF 4 Way Crosses are manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 67.50 67.5 GBP	KF40 to KF16 Reducing 4 Way Cross SKU: X40K16 KF Reducing 4 way Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Reducing 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps.KF Reducing 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 74.26 74.26 GBP	KF40 to KF25 Reducing 4 Way Cross SKU: X40K25 KF Reducing 4 way Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Reducing 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps.KF Reducing 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 82.43 82.43 GBP
KF50 4 Way Cross SKU: X50K KF 4 Way Crosses are used to bring in two branch lines of the same size into a main line. KF 4 Way Crosses are manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 79.95 79.95 GBP	KF50 to KF25 Reducing 4 Way Cross SKU: X50K25 KF Reducing 4 way Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Reducing 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps.KF Reducing 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 111.10 111.10000000000001 GBP	KF50 to KF40 Reducing 4 Way Cross SKU: X50K40 KF Reducing 4 way Crosses are used to bring two Branch lines of a different size into a main line.Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF Reducing 4 Way Crosses are supplied in a sealed plastic bag with protective plastic caps.KF Reducing 4 Way Crosses are manufactured to the ISO Standard and are compatible with other supplier’s product. £ 280.00 280.0 GBP	KF16 6 Way Cross SKU: XX16K KF 6 Way Crosses are used to join 6 lines of the same size together. Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 6 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 6 Way Crosses are compatible with other supplier’s product and are manufactured to the ISO Standard.
KF25 6 Way Cross SKU: XX25K KF 6 Way Crosses are used to join 6 lines of the same size together. Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 6 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 6 Way Crosses are compatible with other supplier’s product and are manufactured to the ISO Standard.	KF40 6 Way Cross SKU: XX40K KF 6 Way Crosses are used to join 6 lines of the same size together. Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 6 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 6 Way Crosses are compatible with other supplier’s product and are manufactured to the ISO Standard.	KF50 6 Way Cross SKU: XX50K KF 6 Way Crosses are used to join 6 lines of the same size together. Manufactured from: 304 stainless steel. Helium Leak tested to 10-8 mbar. KF 6 Way Crosses are supplied in a sealed plastic bag with protective plastic caps. KF 6 Way Crosses are compatible with other supplier’s product and are manufactured to the ISO Standard.