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Common knowledge points of sealing ring

November 18, 2021


       Sealing ring classification and a category of seals are the most used category on the market. The main function of the sealing ring is of

 

course to prevent the leakage of the internal medium of the equipment and the intrusion of external foreign objects.

 

Multiple types of seals:

 

    In addition to the frequently used O-rings, there are triangles, rectangles, D-shaped, T-shaped, square-shaped, heart-shaped, X-shaped, U-

 

shaped, Y-shaped, V-shaped, five-sided, olive-shaped and many other forms;

 

Classification of the nature of the sealing ring:

 

      According to the different materials used in the sealing ring, there are different classifications in nature, such as: high temperature resistant sealing ring, high pressure resistant sealing ring, corrosion resistant sealing ring, wear resistant sealing ring, weather resistant sealing ring, etc.;

 

Advantages of sealing ring:

 

1. The sealing ring should have good sealing performance within the working pressure and a certain temperature range, and can automatically improve the sealing performance as the pressure increases.

 

2. The friction between the sealing ring device and the moving parts should be small, and the friction coefficient should be stable.

 

3. The sealing ring has strong corrosion resistance, not easy to age, long working life, good wear resistance, and can automatically compensate to a certain extent after wear.

 

4. Simple structure, convenient use and maintenance, so that the sealing ring has a longer life.

 

Matters needing attention when installing the sealing ring:

 

1. Clean the installation location;

 

2. Remove burrs during the installation movement of the seal;

 

3. Apply lubricant on the seals;

 

4. Protect the sealing surface from damage;

 

5. Recheck to confirm that the size of the seal is correct;

 

6. Use corresponding tools to install the seals that need to be deformed and installed.