control types
Solenoid valves consist of two basic elements, the electromagnet with guide tube and magnet armature and the valve body. A valve disc or cone sits in the valve body to shut off or open the flow opening. Depending on the design, solenoid valves can be loaded and operated in different ways.
We would therefore like to briefly explain some terms:
Δ pmax.
Δ pmax. is the largest pressure difference between the inlet and outlet sides of the valve against which the solenoid actuator can safely operate the valve. This pressure is limited by the nominal value (PN) of the valve body.
servo-controlled
These solenoid valves require a minimum pressure difference Δ pmin to function.
The diaphragm or piston is raised or closed with the help of the medium.
Example: Type AL 03
forced control
These solenoid valves open and close without the need for a pressure difference.
The piston or diaphragm is coupled to the magnet armature.
Example: Type AL 04
How does a solenoid valve work?
A solenoid valve works based on the magnetic force that switches between two states (NC and NO). It is controlled by the electric current of the solenoid coil, which creates the magnetic field and triggers the switching process. There are various forms of solenoid valves, including changeover valves that can switch a single input between two outputs.
Efficient automation of control tasks using solenoid valves
The possible uses for solenoid valves are diverse. For example, they can be used in high-pressure applications such as steam control. Materials such as plastic, brass and stainless steel play an important role for the valve bodies in order to meet the requirements of different applications.
In industry, switchable valves often automate technical processes and allow staff to focus on other tasks while the equipment is monitored. Solenoid valves are also frequently used in household appliances such as dishwashers and washing machines.
They can also be used in garden irrigation, for example in automatic irrigation systems. Electronic control allows them to be opened at set times, for example to activate lawn sprinklers.
In compressed air applications and compressors, solenoid valves control the flow of air, gas or liquids. They are essential for the operation of compressors and are also used in various compressed air applications.
Advantages of using solenoid valves
The advantages of solenoid valves are their electrical switchability and their fast response times. They are also becoming increasingly interesting outside of industrial applications, for example in green space irrigation.
If you need solenoid valves for your application, Zimmer Automation offers a wide range of suitable products. We are happy to help you with the selection and advice.
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MMER
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