Solenoid valve is an industrial equipment controlled by electromagnetic, which adjusts the direction, flow, speed and other parameters of the medium in the industrial control system.
When the solenoid valve is not powered on, the valve needle blocks the passage of the valve body under the action of the spring, and the solenoid valve is in the cut-off state. When the coil is powered on, the coil generates a magnetic force, the valve core is lifted up against the spring force, the channel in the valve is opened, and the solenoid valve is in a conducting state.
Solenoid valve classification
Solenoid valves are divided into three categories in principle (ie: direct-acting, step-by-step direct-acting, pilot-operated), and they are divided into six sub-categories from the difference in valve structure and material and the difference in principle (Direct-acting diaphragm structure, step-by-step diaphragm structure, pilot-operated diaphragm structure, direct-acting piston structure, step-by-step piston structure, pilot piston structure).
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