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Rotary shaft seals are also known as oil seals close spaces between stationary and moving components in mechanical equipment. They are used to help prevent lubricant escape as well as stop harmful contaminants from entering machinery. They are vital components of almost every type of machine in operation. They protect all types of precision-constructed, close-fitting ball, sleeve and roller bearings. Double lip type has an auxiliary lip provided along with the regular sealing lip for additional sealing protection. Viton material is better able to withstand high temperature, while simultaneously retaining its good mechanical properties.
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