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What is the difference between explosion-proof solenoid valve and ordinary solenoid valve?


Electromagnetic valve (Electromagnetic valve) is an industrial equipment controlled by electromagnetic, and it is an automatic basic component used to control fluid. It belongs to the actuator and is not limited to hydraulic and pneumatic. Used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. The solenoid valve can cooperate with different circuits to achieve the desired control, and the precision and flexibility of the control can be guaranteed. There are many kinds of solenoid valves. Different solenoid valves play their roles in different directions of the control system. The more commonly used ones are check valves, safety valves, directional control valves, speed control valves, etc. The principle of explosion-proof solenoid valve

There is a closed cavity in the solenoid valve, and through holes are opened in different directions. Each hole is connected to a different oil pipe. The center of the cavity is a piston, and the two sides are two electromagnets. The magnet coil on which side is energized will be attracted to the valve body. On the other hand, by controlling the movement of the valve body to open or close different oil discharge holes, and the oil inlet hole is normally open, the hydraulic oil will enter different oil discharge pipes, and then the piston of the oil cylinder will be pushed by the pressure of the oil. The piston drives the piston rod, and the piston rod drives the mechanical equipment. In this way, the mechanical movement is controlled by turning off the current of the control electromagnet.

The difference between explosion-proof solenoid valve and general solenoid valve

The difference between a general solenoid valve and an anti-riot solenoid valve is reflected in the junction box. The so-called anti-riot means that the current caused by the electromagnetic head lock is not firm and the energy conversion is not enough to ignite the corresponding ambient gas. Simply put, it is the action of the electromagnetic head. Energy exposure to flammable gases is dangerous.

The explosion-proof solenoid valve is to enclose all the components of the equipment or the explosive gas mixture in a shell. And it will not cause the ignition of the explosive environment formed by one or more gases or vapors, and put the parts that may generate sparks, arcs and dangerous temperatures into the explosion-proof enclosure. Isolated from the surrounding environment. There are vacancies in the flameproof enclosure, and due to the breathing effect and gas penetration effect of electrical equipment, there may be explosive gas mixtures inside.

1. The explosion-proof solenoid valve has a long working life.

2. Operation system of explosion-proof solenoid valve: There are three types of long-term operation system, repeated short-time operation system and short-time operation system. The explosion-proof solenoid valve is a long-term operation system, that is, the coil allows long-term energization operation. For long-term valve registration that only needs to be closed for a short time, a normally open solenoid valve should be used. When used in a short-term operation system and a large batch, special orders can be made to reduce power consumption.

3. Operating frequency of explosion-proof solenoid valve: When the operating frequency is required to be high, the structure should preferably be a direct-acting solenoid valve, and the power supply should be preferably communicated.


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