A paint sprayer’s spray pattern is the shape in which the tool outputs the finish.The greater the maximum recommended tip size, the more finish the sprayer can output per minute. Consider the jobs you will be tackling, and for each sprayer option you consider, pay attention to its maximum recommended tip size. Stains require smaller tip sizes and less pressure, while paints and heavier coatings need larger tip sizes and more pressure.For example, a 515 tip sprays paint in a 5-inch diameter out of a tip opening that measures 0.015 inches. Other times, it indicates two things at once-both the fan size (in inches) and the size of the tip opening. A sprayer’s tip size sometimes refers only to the size of the opening, as in a 0.015 tip.Sprayers are rated for the tip size or sizes they can support. Airless sprayers are electric- or gas-powered tools that mechanically pump paint or stain into the sprayer, which then pushes the finish through the sprayer tip, where it’s atomized and becomes a spray. Heavy-duty air-driven paint sprayers use high-pressure air from an air compressor to atomize paint or stain and provide a fine finish. Photo:: Mark Wolfe Types of Paint Sprayers
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