Where is Henan electric three-way butterfly valve used for central air conditioning? 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.
、 As a kind of valve, electric control valve is widely used, such as wafer type or flange type. Some people worry that after buying an electric control valve, they cannot do a good job in installation. In fact, as long as you know the installation position, height, import and export, there will be no problem. Today, I would like to share with you the structural principle and application occasions of the electric control valve to help you quickly get familiar with the device.