Description
ISO-KF Flange Size: NW-40, Common Dimensions: A = 2.40" (61mm), Material: Stainless Steel.These KF-40 90 degree elbow 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 made of corrosive resistant stainless steel..They are often called quick flange fittings because they are quick to assemble..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.