There are also some installation or maintenance details to emphasize: (1) For the confirmation of the opening position, it needs to be determined according to the rotation angle of the butterfly valve; (2) During installation, the valve disc needs to stop at the "off" closed position; (3) If the electric butterfly valve is equipped with a bypass valve, the bypass valve shall be opened before opening; (4) The installation must be carried out in strict accordance with the factory instructions. If a heavy electric butterfly valve is encountered, a firm foundation needs to be set. 　　

Now that the cause of the fault has been found, relevant solutions are ready to come out. If you want to know more about the electric three-way ball valve, you can pay close attention to this site.