Different Types Of Powder Coating Guns Explained

Powder coating guns are essential pieces of equipment for anyone working in the industrial sector. Whether you are a professional trades person or a hobbyist, understanding the different types of powder coating guns available is key to ensuring you get the most out of your gun and achieve perfect results.

We will explore the different types of powder coating guns available on the market today, explaining their features and benefits as well as how to choose the right gun for your needs.

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Manual and Automatic Powder Coating Guns

Manual powder coating guns are physically operated by hand and require someone to regulate the flow pressure manually using a trigger or lever. These models are typically used in small-scale operations where only one or two people are working on the project at any given time. Manual spray guns also tend to be more affordable than their automatic counterparts, making them great for hobbyists and those working on tight budgets.

Automatic powder coating guns, on the other hand, offer advanced functionality that allows users to achieve more consistent coverage with little effort from start to finish.


Powder coating is a popular industrial coating process used to create a durable finish on metal materials. To perform the powder coating process, an HVLP gun is often used. An HVLP (high-volume low-pressure) gun is a type of powder coating spray gun that utilizes low pressure and high volume to disperse the powder. In comparison to other types of guns, the HVLP offers greater accuracy and produces less overspray during application.

HVLP guns are composed of components such as air caps, nozzles, air valves and air filters; they also feature a variety of settings which allow for precise control over spray patterns and particle size distribution.

Electrostatic Powder Coating Guns

The electrostatic powder coating gun uses an electrostatic charge to attract the dry powder particles to a grounded surface, such as an automobile body or large piece of machinery.

This type of gun has several advantages over other methods, as it requires fewer coats and results in smoother finishes with less waste material than traditional methods. In addition, due to its low operating pressure, it can be used on many different materials without causing damage or leaving behind residues.

Different Nozzle Sizes

Powder coating spray guns are used in many industries to apply protective coatings on a variety of surfaces. In order for a powder coating job to be successful, it is important to choose the right gun and nozzle size for the application. Different types of powder coating guns come with various nozzle sizes that help operators achieve desired results.

The most common type of powder coating gun is the flat fan spray gun which produces a wide pattern of particles with even distribution. This makes it great for covering larger areas quickly and easily. The round bell spray gun provides more control over the direction and volume of particles, making it ideal for fine details and intricate patterns. Finally, there’s the full cone spray gun which sprays particles in an omnidirectional pattern at one time – perfect for achieving even coverage on relatively smaller surfaces.

Voltage and Amperage Settings

Voltage and amperage settings are critical to the success of a powder coating spray gun. The voltage and amperage must be correctly adjusted for the powder to properly adhere to the substrate being coated. Knowing how these settings interact with each other is essential for getting a consistent finish on every job.

Powder coating spray guns need a specific amount of current to produce enough charge for the powder to stick onto surfaces. The right combination of voltage and amperage will determine how well the powder adheres, as well as how evenly it’s dispersed over the surface.

Too much or too little current can cause inconsistent results in your finish, so proper calibration is key. Additionally, different types of substrates may require different settings, so it’s important that you understand which settings work best for each type of material you’re working with.


Powder coating guns are incredibly helpful tools that can be used to create superior quality finishes on a variety of surfaces. Different types of powder coating guns offer different advantages in different situations, so it is important to choose the right powder coating gun for the job. With the right setup and understanding of the components, you will be able to successfully powder coat any surface with ease.

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