| | (t).jpg) | When and wherever fluids are being pumped, it is the face seal rings and plain bearings that undergo the most punishment, particularly if the medium is corrosive or abrasive. In fact, the durability and profitability of may items of plant and equipment hinge largely on the wear and corrosion resistance of these parts. Materials engineering therefore plays a major role in the seal ring industry. Whereas 20 years ago, steel or gray cast rings were used for such purposes, nowadays it is high-performance ceramics that do the same job. With their outstanding material and application properties, such ceramic parts have a service life extending many times over, even in aggressive media. | |
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