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$22.00
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- Brand new
- A grade KF-40 flange 4-ways Cross adapter
- It follows ISO-KF standards and all flange size of NW-40.
- Matte surface finish
- Superior argon welding
- Made of Stainless steel 304
- KF flange is finely polished / No scratch for high vacuum integrity.
- You can feel quality difference between regular china cross and my high quality cross.
More Info：
They are 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.
KF-40 4-Ways Cross
ISO-KF Flange Size: NW-40, KF-40
Common Dimensions: A=3.94" (100mm) ID= 34.5mm, OD 38 mm
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