The outer part of an oil seal is made of metal or rubber, depending on the intended application. Metal-cased seals are a cost-effective option used when the housing bore is made of the same material, allowing for equal expansion and contraction of the materials during use. Rubber-cased oil seals provide a tight fit and are commonly used when metal-cased seals have the potential to fail. They are corrosion-resistant and capable of withstanding extreme temperatures and pressures.
Overall, metal oil seals play a crucial role in ensuring the reliability and efficiency of machinery and equipment. By providing a secure seal that prevents oil leakage and contamination, these seals help to extend the lifespan of the equipment and reduce maintenance costs. With their durability, tight sealing properties, and resistance to corrosion, metal oil seals are a reliable and cost-effective solution for sealing applications in industrial and automotive settings.
Many seals come with a garter spring, found within the backside of the seal. It provides contracting pressure against the sealing surface. Making sure the spring seats correctly within the seal is an excellent first step.
The primary function of a mechanical oil seal is to create a barrier between the rotating shaft and the stationary housing, preventing the escape of oil and other lubricants. This helps to maintain proper lubrication levels within the equipment, reducing friction and wear on moving parts. Additionally, oil seals help to prevent contamination of the lubricant by dirt, dust, and other contaminants that can lead to premature wear and equipment failure. Moving on to 80% oil seals, these are designed for moderate pressure scenarios. With a broader contact area than 55% seals, they offer improved sealing efficiency and reduced friction. They find their utility in pumps, compressors, and other equipment where a balance between sealing effectiveness and operational smoothness is crucial They find their utility in pumps, compressors, and other equipment where a balance between sealing effectiveness and operational smoothness is crucial