Working Principle and Components of Airless Sprayers


Release date:

Feb 14,2020

I’m sure we’ve all heard of spray guns. Because the operating environments vary, people tend to be quite cautious when making a selection—after all, while spray guns may look similar, their functions can differ significantly. Today, we’ll focus on airless sprayers: how they work and what components make up an airless sprayer.

I’m sure we’ve all heard of spray machines. Because the operating environments vary, people tend to be quite cautious when making their selection—after all, while spray machines may look broadly similar, their functions can differ significantly. Today, we’re going to talk about… Airless sprayer So, how does an airless sprayer work, and what are its main components?
Airless sprayer Also known as a high-pressure airless sprayer, it operates by using a high-pressure plunger pump to pressurize the paint directly at the nozzle. This creates a high‑pressure stream of paint, which is then atomized into a fine mist as it exits the spray gun, allowing for even application onto surfaces such as walls or wood. Compared with air‑assisted sprayers, airless sprayers produce a smoother, more uniform finish without any gritty texture. Because the paint is isolated from the air, it dries faster and remains free of airborne dust.
Airless sprayer It mainly consists of four components: the material‑feeding device, the nozzle and spray gun, and the atomization‑generation mechanism. Depending on whether the atomization source is air‑less or air‑assisted, the atomization system of an airless sprayer comprises a power unit and a high‑pressure pump, whereas that of an air‑assisted sprayer includes an air compressor, air‑delivery hoses, an air‑storage tank, and an air‑oil‑water separator.
Airless sprayer It is frequently used for applying high-viscosity paints, and airless sprayers deliver paint with sharply defined edges, making them well suited for demanding spray‑coating projects that require precise edge control. To accommodate a wide range of applications, we have developed and categorized airless sprayers into several types, including pneumatic, electric, and internal‑combustion models, among others.

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