Top Mounted Magnetic Level Gauge
Top Mounted Magnetic Level Gauge (FEMLT-200) is used to indicate the liquid level in tanks and vessels where top installation is preferred. It operates on the principle of magnetic coupling, where a float containing a permanent magnet moves vertically with the liquid level inside a guide pipe or chamber suspended from the top of the vessel. The float's magnetic field actuates an external indicator consisting of magnetic rollers or flaps that change color as the float rises or falls, providing a clear and continuous visual level indication. Since the process fluid remains completely enclosed within the guide pipe or chamber, the system offers leak-proof operation, enhanced safety, and minimal maintenance. Top mounted magnetic level gauges are widely used for hazardous, corrosive, high-pressure, and high-temperature liquids across various industrial applications.
Top Mounted Magnetic Level Gauge
Code: TMMLG-FL, Model: FLMLS-200
Top Mounted Magnetic Level Gauge (FEMLT-200) is used to indicate the liquid level in tanks and vessels where top installation is preferred. It operates on the principle of magnetic coupling, where a float containing a permanent magnet moves vertically with the liquid level inside a guide pipe or chamber suspended from the top of the vessel. The float's magnetic field actuates an external indicator consisting of magnetic rollers or flaps that change color as the float rises or falls, providing a clear and continuous visual level indication. Since the process fluid remains completely enclosed within the guide pipe or chamber, the system offers leak-proof operation, enhanced safety, and minimal maintenance. Top mounted magnetic level gauges are widely used for hazardous, corrosive, high-pressure, and high-temperature liquids across various industrial applications.
Product Details
Overview
The Top Mounted Magnetic Level Gauge (FEMLT-200) is designed for level measurement in tanks and vessels where side mounting is not practical or possible. It provides accurate, maintenance-free, and leak-proof level indication while ensuring maximum operational safety. The gauge is suitable for hazardous, corrosive, toxic, flammable, and high-temperature process fluids across a wide range of industrial applications.
Operating Principle
The Top Mounted Magnetic Level Gauge operates based on:
- Archimedes’ principle, whereby the float rises and falls according to the liquid level.
- Magnetic coupling between the float magnet and the external indicator.
- Continuous transmission of the liquid level without direct contact between the process fluid and the indicating system.
A float containing a permanent magnet moves inside a guide pipe or chamber suspended from the top of the vessel. As the float travels with the liquid level, it magnetically actuates the external indicator rollers or flaps, providing a clear visual display of the liquid level.
Design
The Top Mounted Magnetic Level Gauge consists of:
- A top mounted guide pipe or chamber extending into the vessel.
- A magnetic float designed to move freely with changes in liquid level.
- An external magnetic indicator mounted alongside the guide pipe.
- Optional isolation arrangements and accessories for maintenance and servicing.
The indicator assembly contains magnetic rollers or flaps with contrasting colors that rotate under the influence of the float magnet, clearly distinguishing liquid and vapor zones.
Applications
Top Mounted Magnetic Level Gauges are suitable for:
- Underground or closed tanks with top access only
- Tall storage tanks and process vessels
- High-pressure and high-temperature applications
- Corrosive, toxic, and hazardous liquids
- Flammable and explosive process media
- Chemical, petrochemical, refinery, power, pharmaceutical, and water treatment industries
- Applications requiring leak-proof and maintenance-free level indication
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