Precision instrument sealing ring

1. The structure of the sealing part is simple, the installation part is compact, and the weight is lighter; 　　

2. It has a self-sealing effect, and often only one seal can be used to complete the seal;

3. Good sealing performance, almost no leakage when used as a static seal; 　　

4. The movement friction resistance is very small, and it can adapt to the occasion of alternating pressure; 　　

5. The size and groove have been standardized, the cost is low, and it is easy to use and outsource.