China vacuum magnetic valve is a kind of quick shut-off valve. When the working pressure is lower than the normal standard atmospheric pressure, it will form a certain vacuum (negative pressure) solenoid valve. When the equipment is closed, the outlet can be quickly closed to prevent the accident of reverse suction and form a high vacuum environment.

　　The main components of China vacuum magnetic valve: China vacuum magnetic valve is composed of plug, spring, shell, bushing, left and right valve seat, valve stem combination, ejector rod, electromagnet and armature.

　　Classification: China's vacuum magnetic valves can be divided into three types: pressure-holding type, emptying type and two-way pressure-holding type according to the different structural forms and control methods.

　　Scope of application: China vacuum magnetic valve is widely used in pharmaceutical, food, metallurgy, pure air and places with high leakage requirements.

　　Working principle: China vacuum magnetic valve controls opening and closing through AC or DC power supply, and can use electromagnetic principle to realize vacuum treatment of pipelines. It is mainly used in vacuum pipelines or linkage control systems with vacuum pumps. It is directly operated by the electromagnet, which controls the opening and closing of the valve to connect to the atmosphere and fill the vacuum container with the atmosphere, so as to achieve automatic control or remote control;

　　At the same time, electromagnetic control can be realized, which can have a great impact on the entire working state of the pipeline system, and the use of China vacuum magnetic valve can also effectively avoid the influence of other irrelevant factors on the pipeline, thus making a difference to the working state of the pipeline system. Correct adjustment.