Elbow 90 Reducer KF-50 to KF-40 Vacuum Fittings, ISO-KF Flange Size NW-50 to NW-40, SS
Elbow 90 Degrees Reducer KF-50 to KF-40 Vacuum Fittings, ISO-KF Flange Size NW-50 & NW40, Stainless Steel

These KF-50 to KF40 90 degree reducer elbow vacuum fittings follow ISO-KF standards and have a flange size of NW-50 and 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 corrosive resistant stainless steel.

KF-50 and KF40 Elbow 90 Degrees
ISO-KF Flange Size: NW-50/NW-40
Product: Elbow 90 Reducer KF-50 to KF-40 Vacuum Fittings, ISO-KF Flange Size NW-50 to NW-40, SS
Condition:      New
Warranty:     Against Product Defect
Part Number: P108307
Price: $85.40