Working principle: The coil of the solenoid valve is input into the forward pulse signal through the wire, and the working flux generated by the coil causes the moving core to pull in and open the valve. When the forward pulse signal is stopped, the moving core is released, the moving core is returned to the initial state under the effect of spring force, and the valve is also kept in the form of self holding, and it can be kept after the forward pulse or power break, and the negative pulse signal is needed to reset. The principle of the Pulse Solenoid Valve is to use the pulse of the electrical apparatus. The impulse is transformed into a mechanical pulsation, which makes the strong energy of the pulsating gas become momentum, and produces a huge force in a short time. The interval of the pulse is controlled by PLC to be determined according to the recovery time of the rated gas pressure, L. Working conditions: When the electromagnetic pulse valve is used, the environmental conditions are very important, which is related to the normal and smooth operation of the electromagnetic pulse valve. The environment conditions of the electromagnetic pulse valve: 1, according to the type of power supply, AC and DC solenoid valves are selected respectively. Generally speaking, AC power supply is convenient to use. 2, in corrosive or explosive environments, corrosion resistance should be preferred according to safety requirements. 3, if the environment space is restricted, please use the multi-function solenoid valve, because it eliminates bypass and three manual valves and is convenient for online maintenance. 4, the power supply voltage fluctuations usually AC +%10%.-15%, DC tolerance of about%10, if ultra poor, must take measures to stabilize or put special order requirements. 5, the highest and minimum temperature of the environment should be selected within the allowable range. If there is excess deviation, special orders should be put forward. 6, the power condition of the electromagnetic pulse valve 7, special occasions such as vibration, bump and impact should be selected in the environment, such as marine solenoid valves. 8, voltage specifications are preferred to AC220V.DC24V. 9, in the environment where relative humidity is high and water droplets are dripping, we should choose waterproof solenoid valves. 10, the rated current and power consumption should be selected according to the power supply capacity. Attention should be paid to the higher VA value when AC starting, and the indirect guided solenoid valve should be preferred when the capacity is insufficient.
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