The size of the central hole is usually measured in millimeters, and it’s extremely important as it determines the kind of material that can be sprayed. It also has two “horns” on either side that force air into the fluid stream and atomize it, turning it into a fine spray. Fluid NozzleĪt the business end of an HVLP spray gun, there is the fluid nozzle or air cap with a central hole for the fluid to spray through. However, that’s not usually an option with turbine models, so it’s an important feature to check before buying. With professional models, it is possible to purchase a longer hose. They do have more of a learning curve, but the quality of finish can be virtually flawless.īoth turbine and compressor-driven spray guns need a hose to deliver air, but a short hose can prove restrictive. They also are fast, so this may be the best choice for regularly painting large areas. The big advantages of professional HVLP spray guns are the increased adjustability and long-term durability. However, even relatively small compressors aren’t particularly portable and need regular maintenance. Because these are “low pressure” spray guns, they don’t need a large compressor and many home users may already own a suitable model.
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