Four Way Cross

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These KF 4-way cross vacuum fittings follow KF standards. 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. 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. They are made of corrosive-resistant stainless steel. \n Part No. Size Material A B C D EV01057 KF16 304 S.S. 40 19.05 30 80 EV01058 KF25 304 S.S. 50 25.4 40 100 EV01059 KF40 304 S.S. 65 38.1 55 130 EV01060 KF50 304 S.S. 70 50.8 75 140 Show more