The O type seals used for oil seal combination are generally made of rubber sealing materials. The seal ring has simple structure, good sealing performance and low friction. It can be used for linear reciprocating and rotary motion, but it is more used for fixed seals, such as seals between pipelines, cylinder heads and cylinder sleeves. or applicable to low-grade, non critical devices. 

The fatigue of hydraulic equipment always exists during daily operation, so the inspection and maintenance shall be stopped regularly during operation. The cylinder barrel of the oil cylinder seal often needs professional maintenance to improve its service life and seal performance. Then, what is the correct maintenance of the rubber seals of oil cylinders?

 1. The hydraulic cylinder of the seal shall be regularly replaced with hydraulic oil, and the filter screen shall be cleaned to ensure the cleanliness standard;

 2. When using oil cylinder equipment, the system temperature must be adjusted to avoid affecting the service life of seals;

 3. It is necessary to remove the air in the system and preheat each system to avoid cylinder failure;

 4. In the future, the bolts and threads of each connecting system shall be frequently repaired to avoid looseness and failure;

 5. Pay attention to the lubrication of oil components to avoid dry friction;

 6. Protect the outer surface of the piston rod to prevent damage to the seals caused by bumps and scratches. Clean the sand on the dust ring of the oil cylinder dynamic seal and the exposed piston rod.