The use of pneumatic ball valve is different from that of general ball valve, because it is a kind of equipment that needs to operate in a high-density state, and the use structure of any part will affect the subsequent operation. Therefore, before selecting such equipment for use, you must understand the basic operation methods of these equipment, and use correct technology to operate, such as the application scope of pneumatic ball valve, They are used for the production and processing of some electric materials, and for temperature control operation under closed conditions.

When the butterfly valve is used under special working conditions, such as saving conditioning or requiring strict sealing, or severe wear, low temperature (cryogenic) and other working conditions, it is necessary to use a special butterfly valve with specially designed metal seal and conditioning device for three or two biases.