Edwards Brand Clamping Ring, Clamp KF32, KF40, NW32, NW40 Flange Size, Stainless Steel
Edwards PN C10516401
These KF-32 KF-40 Quick Clamping Rings for 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 Stainless Steel.
KF-32/40 Quick Clamping Stainless Steel Ring with red plastic turning knob
ISO-KF Flange Size: NW-32, NW-40
Common Dimensions: A=2.87 in. (73mm), B=2.95 in. (75mm), C=2.48 in. (63mm)
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