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Under normal operating conditions, the following experience can be used as a reference: • Medium-frequency use: Check approximately every 6 months to 1 year • High-frequency use: Conduct a thorough check every 3-6 months • Low-frequency use: The interval can be appropriately extended, but regular checks are still necessary.

If there is no obvious external air leakage, but the cylinder thrust decreases, the cylinder compression needs to be checked. If the pressure is insufficient, it may indicate that the pneumatic cylinder seal is damaged.

From an engineering perspective, the direct conclusion is this: Pneumatic cylinder seal kits and hydraulic cylinder seals are generally not interchangeable and cannot be directly substituted for one another.

Not all instances of corrosion in cylinder seal kits require immediate replacement. If the damage consists only of: • Slight surface discoloration • No obvious deformation • Elasticity that remains good The kit may still retain some functional capacity for a short period.

The cracking of pneumatic cylinder seals is typically the result of the combined effects of multiple factors, rather than being caused by a single isolated issue. Common causes include: • Material aging • Excessively high operating pressure • Extreme temperature fluctuations • Improper installation • Severe friction and wear

From the perspective of structural design and operating principles, a pneumatic cylinder devoid of seals is almost certain to experience air leakage issues. These seals prevent air from leaking through the clearance between the piston and the cylinder barrel, thereby maintaining stable air pressure.