Does Shanxi electric low load regulating butterfly valve need zero line for three phases? Advantages of electric ball valve:
1. The fluid resistance is small, and the full bore ball valve has no flow resistance at all.
2. Simple structure, small volume and light weight.
3. Tight and reliable, it has two sealing surfaces, and now the sealing surface information of ball valve is widely used with various plastics, which has good sealing performance and can complete complete sealing. It has also been widely used in vacuum systems.
4. Convenient operation, quick opening and closing, only 90 ° rotation from full opening to full closing, convenient for remote control.
5. It is convenient to repair, the ball valve structure is simple, the sealing ring is generally movable, and the disassembly and replacement are relatively convenient.
6. When fully opened or closed, the sealing surfaces of the ball and valve seat are isolated from the medium, and the medium will not cause erosion of the valve sealing surface during the passage period.
7. It has a wide range of applications, ranging from a few millimeters to several meters in diameter, and can be used from high vacuum to high pressure.
8. The electric ball valve can be used in the medium with suspended solid particles because of the conflict in the opening and closing process.
、 There are many types of pneumatic butterfly valves. When installing the valves, the installation personnel need to select the corresponding models of products for installation. Under normal circumstances, the pneumatic valve will open quickly in a short time, and the opening time of the valve will not exceed 1 second. At this time, the compressed air in the pipeline will have a greater impact on the pipeline aeration system, In order to avoid the above situation, the operator needs to adjust the speed of valve opening and closing to make the valve opening and closing time as long as possible, which can protect the rubber of pipe connection from damage, and can adjust the speed of valve opening to half a minute or one minute.