UHP products are components for systems in which an extremely high level of purity is required. They are used in installations for high-purity gases and liquids, where material selection, surface quality, cleaning and sealing have a direct impact on process reliability. UHP components are developed to limit contamination and make installations suitable for processes in which even minor deviations are undesirable.

Companies choose UHP products from SKS when process purity, leak-tightness and reliability are key priorities. In high purity installations, it is not only about transporting media, but also about limiting risks such as particle formation, leakage and residual contamination. UHP products help make processes more stable and easier to control.

UHP products are used in environments where process purity is essential. They are used, among others, in the semiconductor, TFT/LCD and solar industries, where clean connections, system integrity and controlled media transfer are of great importance.

The UHP programme from SKS includes various product groups for ultra-clean applications. These include UHP tubes, micro weld fittings, weld fittings, Metal Seal fittings, filters, valves and regulators. This makes it possible to build or expand high purity systems with components that meet the requirements of critical process environments.

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High Purity (HP) and Ultra High Purity (UHP) are both used in processes where a high level of purity is required. Ultra High Purity, however, goes one step further. UHP components are produced, cleaned and packaged according to very strict requirements to minimise the risk of contamination. This makes them suitable for critical applications within the semiconductor industry, laboratories and other environments where even the smallest contamination can affect the production process.

The surface roughness of a UHP tube has a direct impact on the purity of the process. The smoother the inner surface of the tube, the lower the risk that particles, moisture or other contaminants can adhere to the material. This ensures a better gas flow, easier cleaning and a lower risk of contamination. That is why UHP tubes are supplied with various surface finishes that match the requirements of your process.

UHP components are usually manufactured from high quality SS 316L due to its excellent corrosion resistance and high material purity. For critical applications, the material is carefully selected and supplied fully traceable. This gives you assurance of consistent quality and ensures the components meet the high requirements set within the semiconductor industry.

UHP products are produced in accordance with international standards that guarantee material quality, cleanliness and reliability. Depending on the application, standards such as ASTM and EN may apply. In addition, many components are supplied with an EN 10204 3.1 material certificate, ensuring that the origin and quality of the material used are fully traceable.

During production, oil, grease or other contaminants may remain on the material surface. In UHP applications, these residues are not permitted because they can negatively affect the purity of process gases. That is why UHP components are thoroughly cleaned and clean packed, making them directly suitable for use in critical processes.

The UHP programme from SKS includes various product groups for ultra-clean applications. These include UHP tubes, micro weld fittings, weld fittings, Metal Seal fittings, filters, valves and regulators. This makes it possible to build or expand high purity systems with components that meet the requirements of critical process environments.

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The choice between a seamless or welded UHP tube depends on the application and process requirements. Seamless tubing is often used when maximum strength and a fully homogeneous material are required. Welded UHP tubes, on the other hand, are an excellent choice when a very smooth inner surface and consistent surface quality are important. Both versions are available for applications where a high level of purity is required.

UHP installations are used for the transport of very pure process gases that are used, among others, in the semiconductor industry. These include nitrogen, argon, helium, hydrogen and oxygen, as well as various specialty gases. Because these gases are extremely sensitive to contamination, it is important that all components within the piping system meet the strictest requirements for cleanliness and leak tightness.

A Metal Seal fitting is a high quality connection where the seal consists entirely of metal. Compared with seals using elastomers, a metal seal is more resistant to high temperatures, aggressive process conditions and very strict requirements for leak tightness. As a result, Metal Seal fittings are widely used in UHP installations where maximum reliability and process purity are essential.

Even a very small leak can negatively affect the quality of a UHP process. Contaminants from the environment can enter the piping system and change the composition of process gases. This can lead to production errors, downtime or loss of quality. That is why only components designed for maximum leak tightness and reliable sealing are used within UHP installations.

After production and cleaning, UHP components are carefully clean packed to maintain the high level of purity. The ends of tubes and fittings are protected with end caps and the products are packed to prevent contamination during storage and transport. This allows the components to be processed directly within a clean production environment.