With SPIRABELT it is absolutely important that the machine is equipped with safety limit switches, preferably positioned close to the driving cylinders.

These limit switches are meant to prevent a SPIRABELT to run against side frames in case of an accidental failure of the guiding system. SPIRABELT can sffer greatly on the edges in case this happens and therefore these switches should reduce and gradually stop the machine in case they are activated by a SPIRABELT running out of track.

Limit switch on bottom belt
Limit switch on top belt
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