O-ring seal features:
1) advantages: simple structure, small volume and compact installation site;Substances have self-sealing function and do not need periodic adjustment.Torque static seal can be achieved without leakage;Superior suitability and versatility;Transaction is cheap.
2) disadvantages: 0) large starting friction resistance when used for compression and sealing;If improperly used, it is easy to cause 0-shaped ring cutting, squeezing and breaking accidents.As for the torque seal, it is difficult to avoid leakage, so it can only control the leakage amount not greater than the specified allowable value.In some cases, additional guard rings and dust rings are usually required.In the air pressure and water pressure and other sealing, sometimes also need to be equipped with lubricating accessories.