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One of the primary characteristics of high temperature oil seals is their ability to maintain flexibility and resilience at elevated temperatures. Traditional rubber seals may become brittle and lose their sealing capabilities when exposed to heat. In contrast, high temperature oil seals retain their mechanical properties, ensuring that they continue to perform their sealing function effectively even in harsh conditions. Typically, these seals can withstand temperatures ranging from 150°C to over 300°C, depending on the specific material used.
high temperature oil seal

3. Durability and Longevity Made from high-quality materials such as cast iron or composite materials, inset manhole lids are engineered to endure the wear and tear of urban environments. Their design can also help distribute weight more evenly than traditional lids, potentially extending their lifespan and reducing the frequency of replacements.