Now analyze the O-ring common failure and treatment methods:
(1) Factors leading to the occurrence of small leakage phenomenon: 1. Cutting or damage during installation; 2. Insufficient compression; 3. Groove size is incorrect; 4. Rough friction surface; 5. High eccentricity leads to serious side load;
Solution: 1. increase the amount of compression; 2. check whether the width of the groove is too large; 3. Check eccentricity or side load;
(2) Factors that lead to leakage phenomenon at low temperature: 1. Improper selection of O-ring materials; 2. Insufficient compression;
Solution: 1. Increase the amount of compression to compensate for thermodynamic shrinkage;
(3) Factors that lead to excessive friction: 1. Excessive compression; 2. Excessive immersion; 3. extrusion; 4. metal to metal contact;
Solution: 1. check the size of the groove; 2. check material compatibility; 3. check whether there is coaxial or excessive uneven expansion; 4. O-type sealing ring may need to stop ring;
(4) Factors leading to early failure: 1. Damage during assembly; 2. the compression is too large; 3. O-ring size is incorrect; 4. Poor groove design;
Solution: 1. Check the gap; 2. increase the section of O-ring seal; 3. check whether the O-ring is overstretched;
If you have any interest or questions, please feel free to contact us.
tcseal@foreverseals.com
