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Fujikin Announcements

Here you’ll find all the latest announcements about Fujikin’s newest high purity fluid and gas control technologies, valve products, literature, and services.


Only the W-Seal offers the robust performance, repeatability and proven reliability making it the logical choice as an industry standard.

   
Ideal for Semiconductor, Aerospace, Industrial and BioPharm equipment

Fujikin's innovative new W-Seal Interface offers superior performance where reliability and safety are needed most in ultra high purity process gas delivery systems. Constructed with 316L stainless steel, the W-Seal has a proven track record of providing leak-free connections in weld-less gas lines in demanding real-world applications.

Only the W-Seal offers the robust performance, repeatability and proven reliability making it the logical choice as an industry standard. The unique W-Seal is the industry's most reliable 100-percent top-mounting seal, providing a greatly reduced number of sealing points and utilizing only one W-Seal gasket required per valve. The W-Seal also is highly configurable to support a wide range of semiconductor fab equipment requirements.

Fujikin's innovative base-block design allows top access to all components and substrates. Clamping tools and through-bolts are not required to assemble an Integrated Gas System (IGS) based on this design so maintenance time is greatly reduced.

The number of sealing points is lowered by utilizing a V-shaped flow path through the substrate. Components can be easily removed and repositioned as system layouts are altered. While other substrate manufacturers require several types of gaskets for component or side mount connections, the Fujikin design uses only one type of W-Seal gasket, thus simplifying assembly and maintenance, and reducing inventory.

With the W-Seal, a very low torque is required to form a leak-free seal. Under test conditions, Fujikin has achieved a leak rate of 2.9 x 10^15 Acc/sec. This level of reliability is required as the industry moves from welded to weld-less gas systems.

To further ensure the safety of these weld-less systems, the W-Seal gasket now comes with a Guide Ring. This device adds an additional level of protection against scratches to the sealing surface of the gasket.




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