Butt weld/ISO-KF/ CF UHV Fittings including reducer, elbow, tee, cross, full nipple

The flex couplings are commonly used to build foreline vacuum pluming and process systems. The standard sizes for quick flange fittings KF-NW, ISO & CF Flanges

There are two major categories of adapters: one combines pairs of standard vacuum flanges and the other combines standard fittings with flanges. All Hybrid Adapters, except the KF to Swagelok or VCR adapters, include at least one non-metal seal and are therefore limited to high vacuum applications.