Five two solenoid valves, also known as two five-way solenoid valve, and its structure is simple, less demanding media quality of the gas source, it is widely used in the cylinder. Solenoid valve 4V210-06 4V230-08 series of two five-way solenoid valve can be divided into five two / five specifications of the three series, according to engineering requirements to choose the right path, voltage, take over the thread, install the form of electromagnetic valve . Also be based on actual use of matching the selection.