KF Elbows - Bakeable to 150C with viton orings, UHV cleaned, ideal for high vacuum applications (10-8 torr)
Fitting connects to tubing on both ends;High Pressure Durable,ensure tight seals and reduce the possibility of leakage
They are made of corrosive resistant stainless steel.Elbow 90 Degrees KF25 Vacuum Fittings, ISO-KF Flange Size NW25, Stainless Steel
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Description
These KF25 90 degree elbow vacuum fittings follow ISO-KF standards and have a flange size of NW25.
They are commonly used to build foreline vacuum plumbing and process systems.
They are often called quick flange fittings because they are quick to assemble.
A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge).
The centering ring contains a rubber elastomer o-ring.
The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively.
They are made of corrosive resistant stainless steel.