Time：2021-03-17 14:01 Browse：
With the development of social economy, the use of valves is more and more widespread. The valves used in pipelines are various in variety, different in structure, and are the most vulnerable pipeline accessories. The repair of each valve should be carried out according to the specific structure. There are many kinds of valves used in pipelines with different structures, and they are also the most vulnerable pipeline accessories. The repair of each valve should be carried out according to the specific structure.