EH-9001 9002 9003 Vacuum Flexible Hose

Short Description:

ISO-KF Flange Size: NW-40
Common Dimensions: A = 9.84″ (250mm)

Product Detail

Product Tags

The thin walled ring type flexible hose is extremely soft and flexible and it is the most suitable for the vacuum pipe system.

Nominal Diameter: 10mm-300mm

Length: 200mm-3000mm

Material: SUS304/SUS316/SUS21

Leakage of Helium: below 1*10-9Pa.m3/s.

These KF-40 Metal Hose Bellows Flex Coupling (10 inch, extra thin wall) vacuum fittings follow ISO-KF standards and have a flange size of NW-40. They are unsheathed and butt welded. Commonly used to build foreline vacuum plumbing and process systems. They 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 corrosive resistant stainless steel.


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