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MECHANICAL SEALS AND PLATES

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Plates and seals are crucial in safeguarding sensitive or fragile equipment – including electronics – from extreme temperatures, corrosive environments, or abrasive media. High-performance gaskets may be engineered from precision elastomers or corrosion-resistant steels, but ceramic materials are deployed when conventional systems will undoubtedly fail. Ceramic mechanical solutions generally take the form of faceplates, corrosion-resistant plates designed to create a physical barrier between sensitive systems and harsh environments.

Sialon, an advanced ceramic based on silicon nitride, is characterized by exceptional wear and corrosion-resistant properties. In many instances, Syalon 101 is an excellent choice for the hard faceplate or barrier material. Owing to its extreme hardness, high strength and toughness, and low coefficient of friction, Syalon 101 exhibits excellent wear resistance. This, combined with its outstanding chemical stability and superior thermal properties such as thermal shock resistance, makes it an ideal candidate material for many demanding sensor applications.

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Syalon 050, a mixed α/β-sialon advanced ceramic, is designed to have extreme hardness and chemical and thermal stability, offering greater wear resistance and high strength.

In the Chemical and Process Industries (CPI), ceramic mechanical seals are integral components in equipment like pumps and compressors. For instance, in a pump, a rotating shaft can cause liquid leakage between the shaft and the pump casing. To prevent this leakage, a mechanical seal is used, which essentially consists of a hard material embedded in the casing and a softer material in the rotating shaft. These components are designed to be in intimate contact. The selection of seal materials is dependent on the material being pumped, its chemical reactivity, the temperature, and the pressure.

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Interested in Ceramic Plates?

The successful integration of advanced technical ceramics into engineering systems necessitates close collaboration between you, the end user, and us, the material manufacturer.

For an initial consultation with our technical sales team, please call +44(0)191 2951010 or email us. For advice on how best to incorporate technical ceramics into existing manufacturing processes, please see our Resources section for a range of useful articles and guides.