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Technology Factsheet

Airblast Equipment

Category: Decontamination > Surface Cleaning > High Pressure Water
Reference # : Model No :

Airblast machines can take the form of a dry blastroom /cabinet or wet blast cabinets. During dry blasting (dry free-flowing media) and wet blasting (media-water mix) the blast media is pneumatically accelerated by compressed air and projected by nozzles onto the component. The blasting task determines the selection of dry versus wet blast and the abrasive media to be used. In both air and wet blasting, the blast nozzles can be installed in fixed positions or can be operated manually or by automatic nozzle manipulators or robots. In the wet blasting process, a water-abrasive mixture is used. The water washes contaminants like grease and oil away. The wet blast process provides component cleaning, degreasing and finishing in one operation.

Benefits

Wet blasting is less aggressive, does not generate dust, and can process components such as titanium without risk of explosion. It reduces media consumption and leaves a cleaner, brighter surface finish.

Limitations

In the dry blasting process, the contaminants could cause coagulation of the abrasive and lead to machine failure. Suction fed air blasting has a lower performance and uses less compressed air.

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