Cross 4-Way KF-16 Vacuum Fittings, ISO-KF Flange Size NW-16, Aluminum, Machined These KF-16 4-way cross vacuum fittings follow ISO-KF standards and have a flange size of 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, Machined. KF-16 4-Way Cross ISO-KF Flange Size: NW-16 Common Dimensions: A=1.57(40mm), B=3.15(80mm)

Cross 4-Way KF-25 Vacuum Fittings, ISO-KF Flange Size NW-25, Aluminum, Machined These KF-25 4-way cross 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, Machined. KF-25 4-Way Cross ISO-KF Flange Size: NW-25 Common Dimensions: A=1.97 (50mm), B=3.94 (100mm)

Cross 4-Way KF-40 Vacuum Fittings, ISO-KF Flange Size NW-40, Aluminum, Machined These KF-40 4-way cross 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, Machined. KF-40 4-Way Cross ISO-KF Flange Size: NW-40 Common Dimensions: A=2.56 (65mm), B=5.12 (130mm)