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Solenoid valve is an industrial equipment controlled by electromagnetism, is used to control the basic components of fluid automation, belongs to the pneumatic actuator, and is not limited to hydraulic and pneumatic. The solenoid valve has a closed cavity with through holes at different locations, each hole is connected to a different oil pipe, the middle of the cavity is a piston, and the two sides are two electromagnets, which side of the magnet coil is energized the valve body will be attracted to which side, by controlling the movement of the valve body to open or close the different oil discharge holes. And the inlet hole is always open, the hydraulic oil will enter the different discharge pipes, and then through the pressure of the oil to push the piston of the cylinder, and the piston drives the piston rod, and the piston rod drives the mechanical device. This controls the mechanical movement by controlling the current flow of the solenoid.

How a Solenoid Works A solenoid is a coil of wire in a corkscrew shape wrapped around a piston, often made of iron. As in all electromagnets, a magnetic field is created when an electric current passes through the wire. Electromagnets have an advantage over permanent magnets in that they can be switched on and off by the application or removal of the electric current, which is what makes them useful as switches and valves and allows them to be entirely automated. Like all magnets, the magnetic field of an activated solenoid has positive and negative poles that will attract or repel material sensitive to magnets. In a solenoid, the electromagnetic field causes the piston to either move backward or forward, which is how motion is created by a solenoid coil.

Solenoid valve selection guideBefore choosing a type of solenoid valve, sufficient information about the application must be gathered. This guide describes the key parameters for solenoid valves.Important InformationThese are the most important guidelines when selecting a solenoid valve. Keep these

Solenoid valve selection should first follow the four principles of safety, reliability, applicability, economy, followed by six aspects of the field conditions (namely, pipeline parameters, fluid parameters, pressure parameters, electrical parameters, mode of action, special requirements to choose)

Solenoid valve is an automatic basic element used to control the direction of fluid, belonging to actuator; It is usually used in mechanical control and industryAbove the valve, the medium direction is controlled, so as to control the valve switch.Solenoid valves are divided into three categories in