Solenoid Valve

Solenoid Valve Withstand in High Air Pressure

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Solenoid Valve

Solenoid valves are electrically controlled valves. Such valves have a solenoid, which is an electric coil possessing a movable ferromagnetic core or a plunger in its center. In its rest position, the ferromagnetic core closes off a small orifice. Whenever an electric current passes through the coil it creates a magnetic field. Consequently, this magnetic field applies an upwards force on the plunger and opens the orifice. This is how a solenoid valve opens and closes.

  • Solenoid valves are used for clean liquids and gases only. All the Indirect operated valves in this category need a pressure differential to function properly.
  • A pneumatic solenoid valve can be used to close, open, dose, distribute, or mix the media with 2 or more inlets/outlets.
  • A high-pressure solenoid valve possesses a very fast speed with the most accurate functioning. They Can get hot and they need a specific amount of energy to switch and stay in a particular position.
  • They are very common in different kinds of heating systems, compressed air, vacuum, irrigation, car washes, etc.

Solenoid valves withstand high air pressure

A solenoid valve has two main components. One is a solenoid and the other is a valve body. The solenoid part possesses an electromagnetically inductive coil. This coil is wrapped around an iron core at the center which is known as the plunger. A solenoid valve is capable to withstand high air pressure because of its composition as follows:

When a solenoid is at rest, it can be normally open or closed. Whenever a certain amount of current flows through the solenoid, its coil will be energized and produce a magnetic field. Consequently, a magnetic attraction will be created with the plunger. The plunger will start moving and overcoming the spring force. When the valve is normally closed, the plunger will be lifted and the seal will open the orifice and allow the flow of the media through the valve. On the other hand, when the valve is normally open, the plunger will move downward and the seal blocks the orifice to break the flow of the media through the valve. There exists a shading ring as well which prevents vibration and humming in AC coils.

Use of solenoid valve

A Solenoid valve is a significant part of numerous applications, with high or low pressures and small or large flow rates. Normally solenoid valves practice different types of operating principles that are optimal for the particular application. The most common and important ones are direct-acting, indirect-acting, and semi-direct acting operations. The particular purpose of a solenoid valve is usually uttered by its circuit function. Some of its common uses are as follows:

  • Refrigeration systems and irrigation systems keep a solenoid valve to reverse the flow with automatic control.
  • Different kinds of Dishwashers and washing machines use solenoid valves so that they can control the flow of water and the high pressure of the dryer.
  • Air conditioning depends on the solenoid valves for controlling air pressure as they possess the ability to withstand high air pressures.
  • They are a common part of automatic locking systems and Medical equipment to control the flow, direction, and pressure of the fluid and air.

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