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A rotary shaft seal, also known as a lip seal or radial seal, is a device that creates a barrier between two environments the area where the rotating shaft operates and the external atmosphere. In high-pressure applications, these seals are engineered to withstand significant operational pressures, often exceeding several thousand psi. They are utilized in applications such as hydraulic pumps, turbines, and engines, where preventing fluid loss is critical.

3. Increased Operating Pressure A change in the pressure gauge reading can signify a seal issue. If the pressure is fluctuating unexpectedly, it may be due to fluid bypassing the seals.

Hub dust seals are typically made from durable materials such as rubber or silicone, which are able to withstand the harsh conditions that they are exposed to. They are also designed to fit snugly into the hub assembly, providing a tight seal that prevents any gaps where dust could potentially enter.

Moreover, in the oil and gas industry, rotary shaft seals are essential for maintaining pressure integrity in drilling equipment and offshore platforms. Their ability to withstand harsh conditions makes them indispensable in such critical applications.