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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.