The difference between solenoid valve and electric valve

Their working principles are different: the principle of the solenoid valve is to use electricity as energy, and then drive the solenoid coil to switch and adjust. After the solenoid coil is energized, it produces magnetic attraction and overcomes the pressure of the spring to drive the spool to move. The structure is simple and the price is It is cheap, but it can only be switched. Although the electric valve also uses electricity as an energy source, it passes through an electric motor, which has three states: open, closed, and half-open.

   The process requirements of solenoid valves and electric valves are different: solenoid valves and high temperature solenoid valves have some special process requirements in the production process. Because the solenoid valve has many functions, such as shunting, adjustment and other functions, the requirements for the sealing of the medium and the pressure resistance are relatively high, so the price is higher. The function of the electric valve is relatively simple, mainly because the magnetic turning column level gauge plays a regulating function in the system, so the price is relatively cheap.

   Their uses are also different. Solenoid valves are used for electric actuator switch control for liquid and gas pipelines. They are two-position DO control. They are generally used for control of small pipelines. Electric valve: It is used for the analog quantity adjustment of pipeline medium flow in liquid, gas and wind system, AI control. In the control of large valves and wind systems, electric valves can also be used for two-position switch control.

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