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2. PTFE Seals Known for their high resistance to heat and chemicals, PTFE seals are suitable for more demanding environments. Although more expensive, they can significantly reduce friction and wear within hydraulic systems.

In the field of mechanical engineering, the importance of seals cannot be overstated. They play a crucial role in ensuring the smooth operation of machinery by preventing the leakage of fluids, preserving the integrity of components, and protecting against contaminants. One such essential component is the oil seal, specifically the 20x35x7 oil seal. In this article, we will delve into the specifications, applications, and significance of this particular oil seal.

4. O-Rings Though often used in static applications, specifically designed O-rings can serve as effective shaft seals in hydraulic systems. Their circular shape allows them to compress and create a tight seal under pressure.

Hydraulic shaft seals are used to prevent hydraulic fluid from leaking out of the system while keeping external contaminants from entering. These seals are positioned around the shaft, which is a rotating or reciprocating part that connects various components of a hydraulic system. The integrity of these seals is crucial as any failure can lead to fluid leakage, operational inefficiencies, and potential damage to machinery.

4. Oil and Gas Industry In drilling operations and machinery that process petroleum products, high-pressure oil seals are critical to preventing leaks and ensuring the safe operation of equipment under intense pressures.