Which Type of Solenoid Valve Is Preferred for AC or DC?

Solenoid valve, included into engine fuel system components, is a kind of electric control valve. The valve has a solenoid, which is an electronic coil with a movable ferromagnetic core (plunger) in its center. In the rest position, the plunger closes a small hole. Passing current through the coil creates a magnetic field. The magnetic field exerts an upward force on the plunger that opens the orifice. This is the basic principle used to open and close a solenoid valve.

Quick solenoid valve note

Solenoid valves are only used to clean liquids and gases, and to close, open, dose, distribute or mix media with 2 or more inlets/outlets. Additionally, indirectly operated valves require a differential pressure to operate. Solenoid valves require fast action. At the same time, the solenoid valve can get hot because it needs energy to switch and hold in that position (depending on the type). Solenoid valves have a wide range of applications, with high or low pressure, large or small flow. These solenoid valves use different operating principles and are optimal for the application.

Which type of solenoid valve is preferred for AC or DC?

In general, DC solenoids are preferred over AC solenoids because DC operation is not affected by original peak current, which can cause overheating and affect the coil with frequent cycling or unexpected bobbin seizures. However, AC solenoids are preferred where fast response is required or where electrical relay is used. The response time of the AC solenoid valve is 8-5 μs, while the response time of the DC solenoid valve is 30-40 μs. Another reason is that most of the instruments installed in the factory use DC power. Therefore, wiring connection and installation may be considered an added advantage.

Circuit functions of solenoid valves

2-way solenoid valve

A 2-way solenoid valve has two ports, an inlet and an outlet, for opening or closing the orifice, the flow direction is key to ensure proper operation, so there is usually an arrow to indicate the flow direction.

3-way solenoid valve

3-way valves have three connection ports for opening, closing, dispensing or mixing media. Usually, it has two states (positions), so it can switch between two different circuits.

Are you looking for a solenoid valve?

Solenoid valves are widely used in medical machinery, solar energy, cleaning equipment, food machinery, burners, welding and cutting, fire safety, environmental water treatment, machinery manufacturing and other industries. When you’re looking for a solenoid valve, undoubtedly you will take its price, quality, performance into account. Luckily, a shopping site called mymromarts will save you a lot of time. It is an experienced solenoid valve supplier that has different types of solenoid valves and its solenoid valve price is reasonable. Meanwhile, it provides excellent customer service, if you have any questions about the solenoid valve replacement, you can contact it.