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Krautzberger

BasicLINE: Spray gun: KAA 1300 high-viscosity materials

Airless atomisation

Product at a glance

The Krautzberger thick material spray machine type: KAA-1300 is used for automatic (non-manual) coating of surfaces with higher viscous media. In addition, abrasive materials can be processed at operating pressures below 5 MPa (50 bar).

The spraying machine operates according to the Airless principle, i.e. the spray jet is generated exclusively by the material pressure which presses the material through a nozzle. After discharge from the nozzle, the spray jet takes on the form specified by the nozzle. It is directed to the workpiece. The effective spray jet is not as wide as theoretically possible.

The particles of the spray jet reach much higher speeds than in compressed air-powered sprayers. The material flow rate is accordingly higher and the beam sharper, i.e. the turbulence zone is lower. The size and shape of the beam can only be changed by changing the nozzle. The diameter of the nozzle bore determines the amount of material flow, size and geometry of the always elliptical shaped nozzle opening determine the height and width of the beam (form of an elliptical cone).

There is a large number of airless nozzles available. The nozzle can be continuously rotated 360° in the axis of the spray jet and locked in any position. This allows the angle at which the beam hits the workpiece to be optimally adapted to the respective conditions.

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