Video on the working principle of solenoid valves

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Video on the working principle of solenoid valves. Looking at solenoid valves both domestically and internationally, they can be divided into three main categories based on their operating mechanism: direct-acting, recoil-type, and pilot-operated. Furthermore, due to differences in the structure and material of the valve disc as well as variations in their working principles, the recoil-type solenoid valves can be further categorized into diaphragm-type recoil solenoid valves and piston-type recoil solenoid valves； Pilot-operated types can be further divided into: pilot-operated diaphragm solenoid valves and pilot-operated piston solenoid valves ； Based on the valve seat and sealing material, they can be further classified into: soft-sealing solenoid valves, rigid-sealing solenoid valves, and semi-rigid-sealing solenoid valves. The video reply can be viewed at: http://pan.baidu.com/s/1pJmUgpP