What is a valve oil seal?

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The news is from: www.dshmf.com. There are many types of oil seals, including automotive oil seals, skeleton oil seals, frameless oil seals, metal oil seals, metal-skeleton oil seals, valve oil seals, and more. Applied in different ranges, it has very descriptive names. Dongsheng Sealing tells you... As a type of oil seal, the valve oil seal is generally formed by vulcanizing an outer skeleton with fluororubber; a self-tightening spring or wire is installed at the opening of the oil seal to ensure sealing of the engine’s valve guide rods. The valve oil seal prevents engine oil from entering the intake and exhaust pipes, thereby avoiding oil loss; it also stops mixtures of gasoline and air as well as exhaust gases from leaking out, and prevents engine oil from reaching the combustion chamber. The valve oil seal is one of the important components of an engine’s valve assembly; it comes into contact with gasoline and engine oil at high temperatures, so materials with excellent heat resistance and oil resistance are required, typically fluororubber. http://www.dshmf.com/Uploadnews/image/20150721/20150721084392399239.jpg