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What are the installation and use rules for the sealing ring?

March 14, 2023

What are the installation and use rules for the sealing ring? Next, let me introduce the editor to you! The sealing ring should have good sealing performance within the working pressure and a certain temperature range.

 

Matters needing attention in the installation and use of sealing rings:

 

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(1) Do not install in the wrong direction and damage the lip. If there is a scratch of more than 50μm on the lip, it may cause obvious oil leakage.


(2) Prevent forced installation. It cannot be knocked in with a hammer, but a tool should be used to press the sealing ring into the seat hole first, and then use a simple cylinder to protect the lip through the spline. Before installation, smear some grease on lips so as to facilitate installation and prevent burns when running in the initial stage, and pay attention to cleaning.


(3) Prevent overdue use. The service life of the dynamic seal rubber seal is generally 3000~5000h, and the new seal ring should be replaced in time.


(4) The size of the replacement seal ring should be consistent. Strictly follow the requirements of the instructions and choose the same size sealing ring, otherwise the compression degree and other requirements cannot be guaranteed.


(5) Avoid using old sealing rings. When using a new sealing ring, carefully check its surface quality, make sure there are no defects such as small holes, protrusions, cracks and grooves, and have enough elasticity before using it.


(6) During installation, all parts of the opened hydraulic system should be strictly cleaned first, and tools should be used to prevent fingers from being scratched by sharp metal edges.


(7) When replacing the sealing ring, strictly check the sealing ring groove, dirt, and polish the bottom of the groove.


(8) In order to prevent oil leakage due to damage, it must be operated according to the regulations. At the same time, the machine cannot be overloaded for a long time or placed in a relatively harsh environment.