Adapter KF-40 to Rubber Hose Nozzle, 20 mm or 13/16 inch ID, ISO-KF FLange Size NW-40, Stainless Steel
These adapter rubber hose nozzles are KF-40 to rubber hose and fit a 20 mm ID rubber hose. The flange size follows ISO-KF standards and is NW-40. 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-40 to Rubber Hose ID 20mm or 13/16 inch, Stainless Steel
Flange Size: ISO-KF NW-40
Tubing Size: 20 mm or 13/16 inch ID
Common Dimensions:
A = 2-3/8 inch (55mm),
B = 13/16 inch (20mm),
C = 5/8 inch (16mm),
D = 1-9/16 inch (40mm)
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