Adapter KF-50 to Rubber Hose Nozzle, 31.75 mm or 1-1/4 inch ID, ISO-KF Size NW-50 Stainless Steel
These adapter rubber hose nozzles are KF-50 to rubber hose and fit a 31.75 mm or 1-1/4 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, 31.75 mm or 1-1/4 inch ID, Stainless Steel
Flange Size: ISO-KF NW-50
Tubing Size: 31.75 mm or 1-1/4 inch ID
Common Dimensions:
A = 2-15/16 inch (75mm),
B = 1-1/4 inch (31.75mm),
C = 1-1/10 inch (27.8mm) ,
D = 1-9/16 inch (40mm)
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