Hinge Clamp KF-25 Vacuum Fittings with Viton Gasket and Ring

Regular price $12.00

These KF-25 Hinge Clamp vacuum fittings follow ISO-KF standards and have a flange size of NW-25. 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 viton 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 Aluminum.

KF-25 Hinge Clamp
ISO-KF Flange Size: NW-25

Common Dimensions:
A=2.85" (72.40mm)
B=2.12" (54mm)
C=0.649" (16.50mm)