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Stable system

The bfs plug is available to suit all cell vent plug
types. The push-in plug is manufactured as a one
piece unit, bayonet and threaded plugs consist of
a master plug and adap­tor. The correct electrolyte
level is achieved by float selection. Fifteen different
snap-on floats are available. The electrolyte level in each cell is indicated by a white level indicator
fitted in each plug.

The water enters the cell through the bfs plug and
raises the electrolyte to a preset level controlled
by the float. The float raises and closes the valve
in the plug by a 2.5:1 lever action (bfs patent).
When the electrolyte level drops, the float operated valve will open automatically. Every time the system is connected to a water supply, the electrolyte level will rise to the selected preset level. A water trap in the bfs plug avoids an exchange of gas between the cells and prevents intercell flashovers
(University certification).                       





                                                                                         

     
    

       Valve openValve closed 
              Valve open                   Valve closed

    bfs offers a complete system:

  • A float operated watering plug.
  • All parts are manufactured in acid proof plastic mate­rial.
  • Hoses in transparent PVC
  • All the necessary connectors and peripheral parts
  • Filters, flow indicators and  quick-connect couplings

By request parts of the system can be offered in flame retardant material too.