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Solenoid valves: the facts and uses

Posted on: Tuesday, July 10, 2012

 

Understanding Solenoid Terminology

The solenoid valve is a remarkable piece of hardware. In order to have a proper understanding of the valve and how it works there are some terms that you should know.

 

  • Bi-Directional Valve - This allows gas or fluid to go in both the forward and backward movements.
  • Direct-Acting Valve - This type of valve configuration allows the plunger to open and close the orifice located inside of the valve. This valve does not need to have any kind of pressure to function correctly.
  • Flow Direction - This relates to the path that is traveled through the valve. An arrow is used to point which way the gas or fluid is traveling.
  • Flow Rate - The amount of fluid or gas that has moved past a certain point in the line.
  • Metering Device - A tool that help change the amount of fluid that is moving in the valve.
  • NPT - Stands for national pipe thread.
  • PSI - Stands for pound per square inch.
  • Rectifier - A tool that is used to change alternating electrical current into direct current.

How a Solenoid Valve Works

The solenoid valve allows control of gases and fluids through pipes. The device uses an electric current that passes through a small coil. The coil then makes a small magnetic field which in turns operates the plunger found inside of the valve. Each valve can be designed to open or shut the valve. In order to reverse the operation of the valve, simply remove the magnetic field and the plunger moves in the opposite direction.

Ways a Solenoid Valve can be used.

As noted above a solenoid valve is used to allow gases and fluids to move through lines in the ground or above the ground. For instance, water solenoid valves allow a person to control the water flow through pipes. It gives them control over how much water can pass from point A to point B. Likewise gas solenoid valves allow for control of how much gas passes through one area of a pipe into another.

These devices give control to people over water and gas when they need it. They also allow for control from offsite locations. This gives greater control to operators in that they do not have to travel to each valve to make adjustments to water or gas flow. To learn more about the valves we offer visit us on our website and you will see the wide variety that we offer.

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