Adapter KF-25 to Rubber Hose 1/2 to 5/8 in. I.D., ISO-KF Flange Size NW-25, Aluminum
These adapters are KF-25 to rubber hose which have internal diameters from 1/2 to 5/8 inches. The flange size follows ISO-KF standards and is NW-25. They are commonly used to make connections between ISO-KF fittings and rubber vacuum hoses. The ISO-KF flanges 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 Aluminum.
Adapter KF-25 to Rubber Hose 1/2 to 5/8 in. I.D., Aluminum
Flange Size: ISO-KF NW-25
Tubing Size: 1/2 to 5/8 in. I.D.
Common Dimensions: A = 0.625" (19mm), B = 1.65" (42mm)