What Pressure Range Do Your Hydraulic Shaft Seals Usually Handle?

Hydraulic shaft seals must withstand system pressure while preventing fluid leakage. The acceptable pressure range varies depending on seal design and material.

Typical operating pressure ranges include:

• Low pressure systems: below 5 bar

• Medium pressure systems: 5–20 bar

• High pressure hydraulic equipment: above 20 bar

Factors influencing pressure tolerance:

• Seal material and reinforcement

• Rotational speed of the shaft

• Hydraulic fluid viscosity

Selecting seals designed for the appropriate pressure range ensures stable sealing performance and longer service life.

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