Magnetic Level Indicator

Our Level Indicators are flanged to the tank for indicating level of liquids and liquefied gases in open or closed tanks. These can be used in high temperature and pressure applications or if sight glasses and similar indicating glass parts cannot be used for safety reasons. This instrument is preferred because there is a safe pressure and gas tight separation between measuring and indicating parts. Thus the MAGNETIC LEVEL INDICATOR is suitable for a wide range of applications for the chemicals, pharmaceutical industries, petrochemical industries, refineries, oil and fuel tanks etc.

The cage is flanged to the tank & the level is indicated on a Strip which consists of magnetic bi-colour rollers. The floats are available in various metallurgies like SS316, Titanium, PVDF, Polypropylene and PVC.

Magnetic Level Indicator Principle of Operation

These models consists of Red or Black/white magnetic rollers equipped with small rod magnets which are rotated one after another at an angle of 180º by the magnetic field of the permanent magnet put inside the float. The rollers change from white to red on rising level and red to white on falling level. Plastic rollers are suitable for liquid temperature upto 100ºC & Alluminium rollers for temperature upto 250ºC and ceramic rollers for temperature upto 450ºC.

The level in a tank or agitating machine is permanently indicated as a Red or Black column even in the case of power failure.

In addition, Level Sensing elements can be fixed directly to the float cage, so that-simultaneous, contact less sensing is measured electrically. Electronic Level Indicator with set point can be connected with the sensor to have reading in remote. Single or double set point relays can also be provided in the Electronic Indicator for control purposes.

Magnetic Level Indicator Specifications

Float Cage Material SS304, SS316, PTFE, PP, PVC, PVDF
Max. Centre to Centre Distance 6000 mm, greater lengths on request
Connecting Flanges According to DIN or ANSI B16.5
Rated Pressure 20 Kg/cm² for SS & 3 Kg for PP, PVC & PVDF Higher pressure rating can also be provided
Temperature of Liquids 450ºC (Max.) for SS, 80ºC (Max.) for PVDF
Specific Gravity 60ºC (Max.) for PVC, 50ºC (Max.) for PP Min. 0.5
Scale Graduated in cm, Aluminium or SS304
Measuring Accuracy +/- 5 mm
Fluid Liquid with SG more than 0.5
Indication Red & white Rotating flappers/Drag/LED bar graph
Mounting Side-Side/Top Mounted

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