The magnetic float level gauge is a widely used instrument for measuring the liquid level or interface in various types of media, especially those that are dirty, viscous, colored, or prone to adhesion. It is suitable for both open and closed pressure vessels, making it ideal for industrial applications where accuracy and reliability are essential.
This type of level gauge operates using a magnetic float as the sensing element. The float moves up and down with the liquid level, and its position is reflected through a magnetic coupling mechanism inside the display unit. This design eliminates the common issues associated with traditional glass tube gauges, such as breakage and difficulty in reading due to medium adhesion. As a result, it is particularly effective in environments where the medium is difficult to handle.
The gauge typically consists of a stainless steel measuring chamber equipped with a freely moving float. Inside the float, a permanent magnet is installed, which interacts with a series of magnetic indicators mounted outside the chamber. As the liquid level changes, the float rises or falls, causing the magnetic field to shift and triggering a color change in the indicator panel. Usually, the indicator shows white when there is no liquid and turns red when the liquid level is present, providing a clear visual reference for operators.
During installation, it is important to ensure that the measuring tube is clean and free from welding slag or other magnetic materials that could interfere with the float's movement. The float should be inserted correctly, following the direction indicated by the arrow on the tube. When starting the system, care must be taken to avoid sudden flow of liquid into the measuring tube, as this can cause the float to move too quickly and potentially damage the indicator.
In high-temperature environments (above 120°C), long-term use may lead to demagnetization of the internal magnet. If the indicator fails to track the float properly, it is recommended to check the magnet's strength and replace it if necessary. Additionally, the presence of suspended particles or sticky substances in the medium can cause the float to become stuck, so the use of this gauge is not advisable in such cases.
Huajiang Automation offers professional magnetic float level gauges tailored to meet specific application needs. Our products are designed for durability, accuracy, and ease of use. If you have any questions or need assistance, our experienced technical team is here to help. For more information, visit our website: http://news.chinawj.com.cn. Editor: Hardware Business Network Information Center.
Pneumatic Valve
Pneumatic valve is a kind of valve controlled by air pressure, which is widely used in industrial automation control system. Its main applications include the following aspects:
1. Fluid control: pneumatic valve can be used to control the flow and direction of liquid or gas, such as controlling the flow in the pipeline, exhaust gas emission, etc.
2. Pressure control: pneumatic valve can be used to control the pressure of fluid, such as controlling the pressure of compressed air, regulating the pressure in the hydraulic system, etc.
3. Temperature control: pneumatic valve can be used to control the temperature of fluid, such as the temperature of heating or cooling system.
4. Automatic control: pneumatic valve can be linked with sensors, PLC and other equipment to realize automatic control, such as automatic production lines, robots, etc.
5. Safety control: pneumatic valve can be used for safety control, such as controlling emergency stop, preventing overload, etc.
In general, pneumatic valve plays an important role in industrial automation control system, which can improve production efficiency, reduce costs, and ensure safety.
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