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Our spraying methods

As a market-leading manufacturer, WAGNER offers a wide range of products equipped with different technologies. Depending on the material and application field there are different spraying methods. The material is pressed through the nozzel at high or low pressure, it is atomised with or without air assistance and depeding on the viscosity it is divided in very small or bigger droplets. Overview of spraying methods:

Airless

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Unlike the case of air atomisation, airless atomisation technology atomises the material using the pressure of the material alone, i.e. without the use of any air. An electric, pneumatic or petrol-driven pump pressurises the material and forces a defined quantity of material through a nozzle aperture at up to 25 MPa. During this process, the material is diffused into a finely atomised spray jet. Although airless technology is particularly suitable for the application of emulsions, this spray process is also often used for painting jobs on building sites. WAGNER marking units also use airless spraying technology.

AirCoat

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In the AirCoat process (airless + air), the material is forced through the nozzle at a relatively low pressure (3 - 12 MPa) by a piston or diaphragm pump, and compressed air (0.05 - 0.25 MPa) is used to assist in the atomisation process. This is possible thanks to the central air supply (air cap) that is located directly at the nozzle aperture and surrounds the sprayed material like an envelope.

 

 

FineSpray

FineSpray is a compressed air-driven spraying method. At the outlet of the nozzle, the material is mixed with a current of ring-shaped air around the nozzle. This atomizes the material in very fine droplets to produce an extremely good spray pattern. As this method creates a lot of overspray, we recommend that the procedure is carried out in spraying booths.

HVLP / XVLP

Low-pressure spraying uses a high volume of air and low air pressure (up to 0.07 bar). With the FineSpray method, the material is completely atomised at the outlet of the nozzle. The low pressure of the material with the high volume of air ensures slightly larger material droplets and therefore less spray mist.

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