The difference between O-rings and gaskets
The common characteristics of O-ring and gasket: both meet the conditions: when the sealing contact pressure is greater than the pressure of the sealed medium, the sealing effect is maintained; When the sealing contact pressure is less than the pressure of the sealed medium, the gasket or O-ring is topped open and the medium leaks.
The difference between O-ring and gasket: the flat gasket seal contains gaskets, bolts and flanges, forming a chaotic statically indeterminate system; The sealing contact pressure is provided by the deformation of the bolt. The contact pressure distribution of the flat gasket is more uniform; When the medium pressure is shaken greater than the contact pressure, leakage may occur.
In applications, gaskets are mainly used for static seals, and O-rings can be used for both static and dynamic seals. In fact, the choice of O-ring and gasket, the most important thing is to choose the most suitable, so that it can play a better sealing effect.