Continental Trade Sp. z o. o.


Magnetic Level Gauges

Scope of application

 - pressure up to 157 bar and temperature up to 400°C


Magnetic level gauge is designed so that the liquid being measured is enclosed within a sealed chamber. Permanent omni-directional magnet moves freely inside the chamber and actuates the magnetic wafers within the indicator. Wafers are protected from external influences such as vibration or dirt. Wafers resist accidental disturbance (e.g. vibration) due to their edge magnetization and mutual attraction. As the float rises or falls with the liquid level each wafer rotates 180° and so presents a contrasting color. Those wafers above the float show white, whilst those level and below show red – the indicator then presents a clearly defined and accurate level of the liquid in the chamber.

Magnetic level gauge is particularly suitable for indicating the level of hazardous and toxic liquids. Thanks to full separation of elements indicating the fluid level of the fluid itself can not happen any leaks. This gives a higher level of environmental protection.

Magnetic gauge is ideal to read interface level of fluids with different specific gravity, which is particularly valuable in cases where they are the same color.

The simple principle of operation allows the use of magnetic level gauge in very different installations. On order magnetic gauge can be delivered with switches, signaling too high or too low fluid level in the tank.


Magnetic level gauge
Magnetic level gauge


  • environmentally friendly
  • compact in construction and reliable in operation
  • free, slippery swimmer
  • with accurate indications
  • tight, particularly suitable for dangerous or toxic fluids
  • noncorrosive
  • maintenance-free
  • It indicates failure in the event of swimmer's failure 
Magnetic level gauge MLG

General data:

Body: AISI 316L as standard,
other austenitic steels on request
Flange: AISI 316L or ASTM A105 as standard,
other materials on request
Swimmer: AISI 316 as standard,
titanium, monel, plastic on request
Pressure/ temperature: 110 bar / 317°C saturated steam,
200 bar or 400°C in process application
Accessories: limit switches, relay indication, shut-off valve, heating jacket, thermal insulation

Available types:

gauge cock
RAV 947
RAV 956
RAV 957
MLG1) individual
110 bar
317  °C
- - - 200 bar2)
400 °C
- - -

1) shut-off valves at the explicit request
2) Both parameters can not coexist at the maximum value


Additional information about the magnetic level gauge are described in the following documents:


Operation MLG


While every attempt has been made to verify the source of the information, no responsibility is accepted for accuracy of data.

Information clause

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