Hello, dear customers of ChuanNa! Today, our editor from ChuanNa will introduce to you the working principle of solenoid valves

2025-06-27

As we all know, solenoid valves are widely used in our production. A solenoid valve consists of an electromagnetic coil and a magnetic core, and is a valve body containing one or several holes. When the coil is energized or de-energized, the rotation of the magnetic core will cause fluid to pass through the valve body or be cut off, thus achieving the purpose of changing the direction of fluid.

The electromagnetic components of a solenoid valve consist of a fixed iron core, a moving iron core, a coil, and other components; the valve body is composed of a spool valve core, a spool valve sleeve, a spring base, etc. The electromagnetic coil is directly mounted on the valve body, which is enclosed in a sealed tube, forming a simple and compact combination. The commonly used solenoid valves in production include two-position three-way, two-position four-way, two-position five-way, stainless steel solenoid valves, explosion-proof solenoid valves, high-pressure solenoid valves, high-temperature solenoid valves, pulse solenoid valves, gas solenoid valves, hydraulic solenoid valves, steam solenoid valves, coal gas solenoid valves, self-holding solenoid valves, vacuum solenoid valves, water solenoid valves, miniature solenoid valves, pilot-operated solenoid valves, direct-acting solenoid valves, solenoid valve coils, etc. Here, let's first talk about the meaning of "two-position": for solenoid valves, it refers to energized and de-energized states, and for the controlled valves, it refers to open and closed states.

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