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.

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. ...more
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. ...more
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. ...more
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. ...more