Relevant information: What are the advantages of the electric three-way ball valve and what are the significant features of the installation and maintenance of the pneumatic switch butterfly valve? Pneumatic switch butterfly valve is the cornerstone of industrial automation

If it is a metal sealed valve, it will certainly have a long service life than the elastic sealed valve, and it is basically impossible to achieve complete sealing. Originally, metal seal can adapt to high temperature, but elastic seal is limited in this respect.