KF – Rubber Hose Adapter, KF 40 (NW 40) to 25/32″ Barb, Stainless Steel 304 Vacuum Fitting

A: 0.78 in /20 mm
B: 1.96 in / 50 mm
C: 2.16 in / 55 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, NW-50.

The KF – Rubber Hose Adapters are made out of Stainless Steel. KF (also referred to as NW) assemblies consist of two Flanges, a Center-Ring and Clamp. Clamps are assembled with wing nuts to insure ease of use over time without tools. 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 the vacuum seal.