Quick Clamp with Ratchet Closure KF-10 KF-16 Vacuum Fittings, ISO-KF Flange Size NW-10 NW-16, Aluminum with Black FinishThese KF-10KF-16 Quick Clamp with Ratchet Closure 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 Aluminum.KF-10 KF-16 Quick Clamp with Ratchet ClosureISO-KF Flange Size: NW-10 NW-16

Quick Clamp with Ratchet Closure KF-25 Vacuum Fittings, ISO-KF Flange Size NW-25, Aluminum with Black FinishThese KF-25 Quick Clamp with Ratchet Closure 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 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 Aluminum.KF-25 Quick Clamp with Ratchet ClosureISO-KF Flange Size: NW-25

Quick Clamp with Ratchet Closure KF-40 Vacuum Fittings, ISO-KF Flange Size NW-40, Aluminum with Black FinishThese KF-40 Quick Clamp with Ratchet Closure vacuum fittings follow ISO-KF standards and have a flange size of NW-40. 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 Aluminum.KF-40 Quick Clamp with Ratchet ClosureISO-KF Flange Size: NW-40

Quick Clamp with Ratchet Closure KF-50 Vacuum Fittings, ISO-KF Flange Size NW-50, Aluminum with Black FinishThese KF-50 Quick Clamp with Ratchet Closure vacuum fittings follow ISO-KF standards and have a flange size of NW-50. 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 Aluminum.KF-50 Quick Clamp with Ratchet ClosureISO-KF Flange Size: NW-50