Leybold Bellows Hose Metal KF-50, 10 Inch, Medium Wall Tubing, ISO-KF Flange Size NW-50, Stainless Steel, PN: 87246
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PN: 87246
These Leybold KF-50 Metal Hose Bellows Flex Coupling (6 inch, medium wall) vacuum fittings follow ISO-KF standards and have a flange size of NW-50. They are unsheathed and butt welded. 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 corrosion resistant stainless steel.
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