If the electric butterfly valve can not reverse normally under the rated voltage, check whether the connector (plug) of the solenoid coil is loose or not in contact. The method is to unplug the plug and measure the resistance of the coil. If the resistance is too large or too small, the solenoid coil is damaged and should be replaced.

The types of electric ball valves include: floating ball valve, fixed ball valve, rail ball valve, V-shaped ball valve, three-way ball valve, stainless steel ball valve, forged steel ball valve, ash discharge ball valve, sulfur resistant ball valve, three-way ball valve, pneumatic ball valve, electric ball valve, ferrule ball valve, welding ball valve, flange ball valve, and screwed ball valve.