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It is controlled by two-bit DO and generally used for the small pipe. The solenoid valve is usually used as a switch for liquid and gas pipelines. Applications of Electric Valves and Solenoid Valves Electric valves are generally used for regulating, and also for switching, such as in fan coil terminal. Solenoid valves can meet some special technical requirements. It can control the flow of the medium in the pipeline, but the solenoid valve can’t meet this requirement. The state of it can be divided into open, closed, half-open and half-closed. And the opening and closing of the electric valve can be controlled. However, the electric valves are usually driven by motors, which is relatively resistant to voltage impact. It is equivalent to the function of the switch. The solenoid valve is driven by the electromagnetic coil, which is easily damaged by voltage impact. For example, the 25-caliber solenoid valve has a much smaller flow coefficient than the 15-caliber electric ball valve. The general flow coefficient and the working pressure difference of the solenoid valve are small. Differences between the Electric Valve and Solenoid Valve If the solenoid valve classified by function, we can divide it into direct-current solenoid valve, high-pressure solenoid valve, explosion-proof solenoid valve and so on. It has four or five pipeline connecting ports, one pressure port, two cylinder ports and one or two exhaust ports. Three-way solenoid valve: There are three ports connected with the pipeline and it can be used in normally open type, normally closed type and general type, three control modes.įour-way solenoid valve: This kind of valve is usually used to operate double acting cylinder.
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Two-way solenoid valve: The valve has an inlet and an outlet connection to the line and it has normally open type (when energized, solenoid valve closes and the fluid is cut off) and normally closed type (when energized, the solenoid valve opens and the fluid passes through the valve), two control methods. General speaking, the solenoid valve can be divided into three types: When the solenoid coil is energized or power-off, the valve core is driven to move the fluid through the valve body or be cut off. The solenoid valve is composed of the solenoid coil (solenoid), valve core and valve body.
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This kind of electric valve is mainly regulating valve, single seat regulating valve, double seat regulating valve and so on. The electric valve fitted with the straight stroke electric actuator (linear motion): The movement of the output shaft of the electric actuator is linear, not rotating, and the opening and closing control are realized by lifting valve disc. This kind of electric valve is mainly gate valve, globe valve and so on If we want to realize the valve opening and closing process, we need several such circles. The electric valve fitted with the multi-turn electric actuator (rotation angle >360 degrees): Generally, the output shaft of the multi-turn electric actuator rotates more than one circle, that is, more than 360 degrees. This kind of electric valve is mainly butterfly valve, ball valve, plug valve and so on. The output shaft rotation of the electric actuator is less than a circle, that is, less than 360 degrees, which is usually 90 degrees to realize the valve opening and closing process. The electric valve fitted with an electric angle travel actuator: The electric actuator rotates the valve plate angle to control and regulate the on and off of the valve and the pipeline flow. It can not only realize the switch function, the adjustable electric valve can also realize the valve position adjustment function. The Electric valve is a high – end product in the automatic control valve. It can be divided into two parts, the upper part is the electric actuator and the lower part is the valve. Introduction of the Electric ValveĮlectric valves are controlled by electric actuators, so as to realize valve opening and closing. Solenoid Actuator For Vickers On-Off Solenoid Valvesīoth the electric valve and solenoid valve are important executive components in industrial pipe control, which are widely used in various industries, but what’s the difference between the solenoid valve and electric valve? In the following article, we will show you a basic analysis between the solenoid valve and electric valve.Solenoid Actuator for Yuken On-off Solenoid Valves.Solenoid for HAWE Directional Spool Valve.