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Filter Clogging Indicators


HYDAC clogging indicators serve to indicate visually and/or electrically when cleaning of changing of the filter elements is necessary. The guaranty of operational safety of a system and efficient utilisation of a filter element can only be if there is utilisation of clogging indicators. Depending on the type of filter, vacuum, return line or differential pressure clogging indicators are used.

If the contamination of the filter element increases, then the loss of pressure in the filter housing will rise. As soon as we reach a particular limit value, the clogging indicator indicates an imminent element replacement.



  • Indicator of dynamic or differential pressure
  • Optical, electrical or electronic signal
  • Wide different of response pressures


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HYDAC Australia

HYDAC New Zealand

AUSTRALIA 1300 449 322

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