600X Electric Control Valve is one type of hydraulic control valve which adopts solenoid valve as the pilot valve. It is mainly applicable to water supply system and industrial system auto control, its control response is accurate and quick. It is based on electrical signal to remote control pipe system open and close, achieving remote operation. It can be also applicable to large electrically operating system instead of gate valve and butterfly valve. Its close speed is adjustable, so that it can close smoothly without pressure oscillation.