The classification of the electric valve

Electric valve, in a nutshell is to use the electric actuator. Control valve, so as to realize the valve opened closed. It can be divided into fluctuation two parts, the upper part for electric actuator, the lower part of the valve. The classification of the electric valve: 1, oil, natural gas wellhead valve; 2, oil, natural gas long distance pipeline valve; 3, nuclear power with the valve.