4-Way Cross, KF 40 (NW 40), Stainless Steel Vacuum Fitting

4-Way Cross, KF 40, KF-ISO Flange NW 40, Stainless Steel Vacuum Hardware Dimensions:

A: 2.40 in / 61 mm
B: 1.5 in / 38.1 mm
C: 2.17 in / 55 mm
D: 4.8 in / 122 mm

The flanges, or the vacuum flange fittings, are available in the following sizes KF10, KF-16, KF-25, KF-40, KF-50 with corresponding flange sizes NW-10, NW-16, NW-25, NW-40.
The KF 4-Way Crosses are made of stainless steel. The KF-ISO assemblies consist of two flanges, a centering ring, and an aluminum clamp. A uniform application of pressure on the clamp insures a vacuum seal. The mating flange surfaces compress the o-ring, which is held in place by a metal centering ring, to generate vacuum seal.