Which brand is better, Ningxia electric ventilation butterfly valve or electric ball valve? The installation process of pneumatic switch ball valve is also very important, which should also attract people's attention. So, how can we install such products perfectly? This is up to you.
、 2. As a result, dirt accumulates in the valve and cannot be closed tightly, causing serious oil leakage and channeling; The valve is not closed after maintenance, or the branch pipe is not plugged after valve disassembly; Raw materials that are not resistant to acid and alkali and pressure tests are used for the valve dust seal gasket. Therefore, it is necessary to improve the inspection of valves and strive to ensure prevention in the future.