D947H/X-2.5 electric double eccentric butterfly valve with electric actuator device mechanically driven by the completion of the disc opening and closing action. The valve can be on-site monitoring by the indicator on the electric device can also be remotely controlled by a valve controller. Signals can also be input into the computer program control. You can not under normal circumstances can be installed anywhere in the manual operation of the valve, no direction. The valve can be installed anywhere, no direction.