The bypass level indicator model BNA consists of a bypass chamber, which, as a communicating tube, is connected laterally to a vessel via at least 2 process connections (flanged, threaded or welded). Through this type of arrangement, the level in the bypass chamber corresponds to the level in the vessel. The float with a built-in permanent magnetic system, which is mounted within the bypass chamber, transmits the liquid level, contact-free, to the magnetic display mounted to the outside of the bypass chamber. In this are fitted, at 10 mm intervals, two-coloured plastic rollers or stainless steel flaps with bar magnets.
Further special features
■■ Simple, robust and solid design, long service life
■■ Bypass chamber and float from stainless steel 1.4571, 1.4404 or special materials
■■ Pressure- and gas-tight separation between measuring and display chamber
■■ Measuring and indicating of the level of aggressive, combustible, toxic, hot and contaminated media
■■ Functioning of the magnetic display guaranteed even in the case of power failures
■■ By using a variety of corrosion-resistant materials, applicable for virtually all industrial applications
■■ Continuous measurement of levels, independent of physical and chemical changes of the media such as: Foaming, conductivity, dielectric constant, pressure, vacuum, temperature, vapours, condensation, bubble formation, boiling effects
■■ Interface-layer level measurement from Δ density 100 kg/m3
■■ Special versions: Food compliant, coatings, liquid gas, heating jacket
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