Dust & Fume collector with fully automatic reverse pulse cleaning


  • Welding
  • Polishing
  • Dry Dust
  • Powder Coating
  • Grinding
  • Sanding
  • Hazardous Dust
  • Deburring
  • Thermal Cutting
  • Sandblasting


The Coral AIRALT is a high efficiency dust collection system that is used in many industrial, chemical, and pharmaceutical applications.

Working Principle

The contaminated air enters into the bottom of the dust collector hopper where a significant decrease in velocity occurs causing the larger solids to drop into the collection hooper.

The air then continues to flow up into the filter chamber, where the finer or lighter solids are removed by large surface area filter cartridges. As the contaminated air flows through the filter cartridges from the outside to the inside, the dust is collected on the outside. The clean air is then discharged.

Reverse pulse cleaning

As dust is removed and gradually accumulates on the filter cartridges or sleeves, our Coral automated cleaning system senses that the filter cartridges are becoming clogged and initiates a jet cleaning system. The jet cleaning system uses a blast of compressed air which creates a shock wave and causes the collected solids to fall off the filter cartridges down into a lower collection bin.

Cleaning cycles can be controlled by a timer and solenoid valves or by a PLC with a differential pressure sensor which monitors the pressure loss through the filter cartridges and back pulses on demand. The filter cartridges are always kept at peak efficiency by the cleaning cycles. After an initial period of operation, the filter cartridges reach a constant pressure drops and will continue operating efficiently for long periods of time.

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Need Assistance on a Filtration or Extraction Applications?

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    Coral S.P.A. is a global leader in the Pollution Control Industry and we specialize in supplying products, systems and services for air extraction and filtration.

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