These KF-16 Hinge Clamp vacuum fittings follow ISO-KF standards and have a flange size of NW-10, NW-16. 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 Stainless 304.Brand New 304 NW/KF-16 Quick Clamps with centering O-rings (FKM / Fluoro rubber) Advantage: Excellent chemical & heat resistance. Good mechanical & compression set resistance.The package includes:2 X Stainless 304 Hinge Clamp KF-16 Vacuum Fittings + 2 X Stainless Steel & Buna O-Ring Centering Ring KF-16 Vacuum Fittings. Note: If the product you received is missing. Please contact me in time. I will reissue a complete product for you. We may have omissions during the assembly process. Sorry if you encounter. I will solve it for you.
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