Product Review

1. Both side KF25 Flange / ISO-KF Flange Size: KF25, NW-25 + Aluminum clamp with Buna-N O-ring

2. End to end Length is 500mm (19.6")

3. Made of Stainless Steel 304

4. Wall thickness = 0.2mm and this makes the bellow bendable and twistable

5. Finely polished Flange for high vacuum application

6. Delicate welding to ensure integrity and reliability

7. Plastic flange protective cap is included to avoid flange scratching during transportation

ISO-KF flange KF flange is 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 size larger it becomes ISO-LF63, ISO-LF80, ISO-LF100, ISO-LF160