Magnetic Float Ball for Level Indicator Gauge Switch Sensor , Stainless Steel Round Float Balls Quality Float Balls
Magnetic Float Ball Level Gauges: Overview
Here’s an analysis of magnetic float ball level gauges and related components, addressing the question of their characteristics and applications.
Components and Functionality
Magnetic level gauges are designed as an alternative to glass level gauges, providing a clear indication of liquid level. They consist of a float chamber, a float, and an indicator system. The float, containing magnets, moves with the liquid level, and its position is indicated externally. These gauges are suitable for various applications, including corrosive, flammable, toxic, high-temperature, and high-pressure environments.
Materials and Specifications
The core components of a magnetic level gauge are the float chamber, the float, and the indicator system. The float chamber is typically made of non-magnetic materials, and the float’s size and weight are determined by the process fluid’s properties (specific gravity, pressure, temperature). The float contains magnets that create a magnetic field, which interacts with the indicator system to show the liquid level.
Magnetic Float Ball for Level Indicator Gauge Switch Sensor
Magnetic float level gauges are available in various materials to suit different applications. Common materials for the float chamber include PTFE, PP, PVC, and PVDF. The maximum operating temperature and pressure vary depending on the materials used. For example, stainless steel (SS) can handle temperatures up to 450°C and pressures up to 10.0 MPa, while PP, PVC, and PVDF have lower temperature and pressure limits. The specific gravity of the liquid being measured must be at least 0.40 g/cm³.
Signal and Output Options
Applications
Magnetic level gauges can provide various signal outputs, including 4～20mA.DC, 4～20mA.DC+Hart, pulse, and RS485. They can also include switch types such as NO, NC, and SPDT. Explosion-proof markings (e.g., Exd II BT6) and protection grades (IP65/IP67) are available for hazardous environments.
Additional Considerations
Magnetic level gauges are used in a wide range of industries for level measurement in tanks and vessels. They are particularly useful in applications where direct visual observation of the liquid level is difficult or unsafe. They are suitable for corrosive, flammable, toxic, high-temperature, and high-pressure applications.
The key features of a magnetic float ball level gauge include:
Float Design: The float is designed and weighted for maximum accuracy, with a minimum upward buoyant force.
Transmitter and Switch Options: These can be installed, adjusted, and maintained without interrupting the process.
Maintenance: These gauges are designed for low or no maintenance.
Mounting: Magnetic level gauges can be mounted in top-bottom, top, or side configurations.
Clear, high-clarity level indication.
Suitable for corrosive, flammable, toxic, high-temperature, and high-pressure applications.
Rugged design with low or no maintenance.
Various signal outputs and switch types.
Available in different materials to suit various process conditions.
Float/buoy made of polished stainless steel 316
Suitable for use with 3/8″ (DN10) Genebre Art2856 Stainless Steel 316 Ball float valves
M6 (6mm) female threaded connector
WRAS Approved for use with potable (drinking) water
he Float is engineered and located inside the Chamber. It is sized and weighed to the specific gravity of the process fluid to be measured. The float contains a 360° Magnetic Assembly which generates a strong uniform magnetic circuit. The magnetic Flux Lines generated by the float interlocks with the indicator. The hermetically sealed Indicator, contains its own magnetic assemblies which interlock with the float through the Chamber, providing a strong and reliable design. As the Float moves with the changes in the liquid level, the magnetic attraction between the Indicator and Float will ensure that the Indicator will track the position of the float exactly and the liquid level is measured precisely.
Ball float liquid level transmitter catheters, is measured by the magnetic floating ball,Signal unit, electronic unit, junction box and install a composition, the proportion of general magnetic float is less than 0.5, can float on the surface and move up and down along the measuring tube, intraductal equipped with measuring element, it can will be under outer magnetic liquid level measurement signal is proportional to the resistance of the liquid level change signal, and converting electronic unit 4 ~ 20 ma, or other standard signal output.
Liquid level sensor module circuit, has the advantages of acid, moisture, shock, anti-corrosion, internal circuit has permanently within the current feedback circuit and protect circuit, can make the output current is not more than 28 biggest ma, it can be reliably protect power and secondary instrument is not damaged.
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