A spray paint compressor is an air compressor attached to a paint sprayer used for large painting projects. The air mixes with the paint and escapes from the fine tip of the paint sprayer. Compressors must match sprayer capabilities, and newly purchased paint may need to be thinned.
A spray paint compressor is simply an air compressor attached to a paint sprayer. Many homeowners and paint professionals use spray paint compressors to apply large amounts of paint to a large project, such as painting the exterior of a house. Forced air from the compressor projects paint droplets outward in a fine mist for an eye-catching, long-lasting paint job.
Basic air compressors pressurize air through mechanical pistons, creating a smaller volume inside the tank. As a result, the pressurized air moves rapidly from the compressor, through the connected hoses, and finally into the paint sprayer. The air mixes with the paint and escapes from the fine tip of the paint sprayer. Many painters prefer this method of application as it provides a quality paint job in less time than painting with brushes or rollers.
Spray paint compressors are mainly used for large painting projects, rather than painting a wall. Smaller spray equipment is available with airless options, which use smaller mechanical assemblies to move paint out of the sprayer instead of forced air. A spray paint compressor can be relatively large, depending on the sprayer attached. Some consumers may find it difficult to move and maneuver a spray paint compressor around a project site.
Painters must match spray paint compressor specifications to sprayer capabilities. Compressors that offer a high volume of air can damage the sprayer by forcing too much pressure through the mechanical parts. As a result, the sprayer is internally damaged, producing a poor spray of paint. Conversely, a small volume of air through the sprayer will project a weak spray of paint, lowering the quality of the coating against the surface.
Many times, a spray paint compressor can be purchased as a kit with a paint sprayer. The manufacturer will ensure that the compressor and sprayer are compatible. On the other hand, many consumers would like to use the compressor for other uses around the home, such as powering grinders and sanders. In this case, the consumer would have to match the specifications between the compressor and all the tools that he intends to connect to the machine.
Newly purchased paint tends to be thick. Often, painters have to thin the paint so that it flows evenly through the sprayer; however, a spray paint compressor with a large air volume and a powerful motor can push out the thick paint. Motors and smaller tanks cannot generate the force needed to push thick paint out, so the painter would need to thin the paint before placing it in the sprayer.
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