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An outstanding feature of DACZ filters is the use of the same filtered fluid for the cleaning cycle, consuming only 5 to 10% of the filter’s volume. For any cleaning cycle, there is a real saving of about 90 to 95% of fuel in comparison with filters cleaned by compressed air or static, that require the complete emptying of the filter’s body every time.

This remarkable quality of DACZ filters is extremely valuable particularly during times of fuel high costs. It may be calculated that a typical Diesel engine with supply flowrate of 0.6 to 6.1 m3/h and filtering degree of 10 µm absolute, will save about 12,500 liters/year considering 4 cleaning cycles per day.

DACZ filters may be installed either on the cold “Supply” side or on the hot “Booster” side, and since they don’t use external backwashing fluids, may also be installed on the hotter side after the final pre-heater.

The “Safety” or “Indicator” filter is installed after the automatic filter for protection purposes only. The frequent clogging of this filter indicates an irregular operation of the automatic filter.