Relevant information. How to install and debug the valve body of the pneumatic switch butterfly valve and the electric three-way ball valve of the cylinder. How to deal with the failure of the pneumatic high-pressure ball valve. It also needs to do "maintenance" to describe some maintenance methods of the pneumatic butterfly valve

6. The butterfly valve has a two-way sealing function, so that we do not have to worry about the installation direction during the installation process, and the installation space position is not affected.