Half Nipple Long Weld Stub KF-50, 2 inch OD tube, Vacuum Fittings, ISO-KF Flange Size NW-50, Stainless Steel (This is One Item)
These KF-50, 2.00 inch OD tube, Half Nipple Long Weld Stub 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 corrosive resistant stainless steel.
Half Nipple Long Weld Stub
ISO-KF Flange Size: NW-50
Common Dimensions: A= 75 mm, B= 52.20 mm, C= 47.60 mm, D= 50.80 mm (2.0 in.), E= 40 mm
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