It is noted that if the inside of the pneumatic control valve generally uses high pressure differential and the fluid is corrosive, the inside of the pneumatic control valve may be impacted, and of course, corroded. Therefore, the first step in the inspection and maintenance of the pneumatic control valve is to check the inner wall of the pneumatic control valve and record the basic information.

The development of industry has promoted the birth of automation equipment, and excellent equipment such as electric control valve has once again promoted industrial progress. Now, Chinese industry has ushered in a new round of challenges and opportunities, and electric control valves will certainly play a huge role in this wave.