Shuangda Hydraulic Machinery is one of the professional solenoid control relief valve manufacturers and suppliers in China,Website:://.chinahydraulic-valve.com, welcome to buy cheap and low price solenoid control relief valve made in China from our factory.Usage and characteristicSolenoid controlled relief valve is combined by a relief valve and a solenoid operated directional valve. Solenoid operated directional valve is mounted on the relief valve and connects to the remote control port of the relief. Solenoid controlled relief valve can make the hydraulic sytem be in the condition of unloading and pressure adjusting by converting the signals. It can adjust the pressure with the pilot operated relief valve, or it can also do the two-stage or multi-stage pressure control by connecting the remote controlled relief valve.