Adapter KF-50 to Rubber Hose Nozzle, 20.7 mm or 13/16 inch ID, ISO-KF Size NW-50 Stainless Steel
These adapter rubber hose nozzles are KF-50 to rubber hose and fit a 20.65 mm or 13/16 inch ID rubber hose. The flange size follows ISO-KF standards and is NW-50. 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 Stainless Steel.
Adapter KF-50 to Rubber Hose, 20.65 mm or 13/16 inch ID, Stainless Steel
Flange Size: ISO-KF NW-50
Tubing Size: 20.65 mm or 13/16 inch ID
Common Dimensions:
A = 2-15/16 inch (75mm),
B = 13/16 inch (20.7mm),
C = 43/64 inch (16.7mm),
D = 1-9/16 inch (40mm)