Liquids - External Ballasts for Float Switches

Liquids - External Ballasts for Float Switches

The external ballasts fix the rotation of the float switch and allow it to adapt to eventual liquid turbulences. Withe the external ballasts flloat switches work in a wide range of densities

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vendredi 12 juillet 2024

External ballasts

Description :

The role of the adjustable ballasts is to define the pivot point of the float level switch. They are necessary to ensure the proper functioning of floats when the cable is hanging freely without any fixation. A ballast is particularly needed when the float is equipped with more than 1 meter of cable.

This is most likely the case of the BIP STOP- AT and TUBA range of float level switches. This is the reason why for these models, the ballasts are proposed in option.  On the other hand, all float level switches of the SOBA range (including the EP models ACS certified) are systematically equipped of an appropriate ballast.

Attention to the use of collars or other elements in replacement of ballasts, which can hurt the cable and also to deteriorate the float

The ballasts can be adjusted closer or farther to the float switch depending on the liquid agitation involved and if a very precise level measurement is required.

ATMI offers different types of weights that fit all the floats:


Avantages :

Cable weights have many advantages:

  • They fix the rotation point of the float switch. 
  • They allow the float switch to adapt to eventual liquid turbulences.
  • They allow the float switch to work in a wide range of densities. For higher densities, other than the ones indicated on the technical data sheets, additional ballasts should be installed.
  • They are easily adjustable on the cable, specially the removable and "clip" type ballasts that can be added at any time in existing installations.
  • The external ballasts ensure a very accurate level measurement !
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