Considering the importance of actual pipeline work and the saving of automation on human and material resources for pipeline work, the electric three-way ball valve occupies a very important position in the actual production process. Although this kind of equipment has many advantages and is relatively convenient in installation and maintenance, it is still an important problem to master the correct installation method to ensure that the equipment can work normally.

2. Connection between valve and electric equipment Connection type and dimension of valve and electric equipment shall conform to national standards: connection of multi reversing valve driving equipment (GB/T12222-1989), connection of reversing valve driving equipment (GB/T12223-1989).