Do you need An Air Compressor for a Paint Sprayer?

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Air Compressor for a Paint SprayerPainting through a spray gun requires a lot of pressurised flow of paint in order to attain the right flow of paint from the gun. For achieving the right pressure of flow be it high pressure or low-pressure spray guns are equipped with various modes of generation of pressure like air compressors in HVLP spray guns, pistons in airless sprayers and turbines.

Why we need these Air Compressor?

These motors are necessary for a spray gun to emit the right amount of paint in the right pressure. Air compressor is the most efficient one of this, except airless sprayers and some units of HVLP spray guns every spray gun has the air compressor.

What actually air compressor does in a spray gun? It atomises the paint in the gun and sprays with the desired pressure which is high volume and low pressure. For achieving the right pressure and coverage with a spray gun you need to understand the components’ air compressor. Moreover, you need to know why it is needed and when there are other pressure developers available in the market.

Today we are going to discuss air compressors, their requirement for spray painting, the benefits and how to choose the right air compressor.

We have talked about air compressors what actually they do and that they help in better coverage and quality of paint.
Spray Gun Setup
There are basically two types of air compressors used in the spray gun painting. The two types of compressors are:

  1. Direct drive compressor
  2. Belt driven compressor

Direct drive compressors

Direct drive compressorsThese compressors that people use for day to day work for e.g. for DIYs or hobbies or daily work. They help in performing the less demanding jobs like hobbies etc. They are co-axial and are normally single stage which means they only compressor atmospheric air once. These compressors are not expensive as well work with low pressures very efficiently.

Belt Driven Compressors

These compressors can use for high-end jobs like heavy paint jobs etc. Belt driven compressors basically help in achieving major workshop jobs which require high demanding work. This compressor operates with helping pulley and belt; involves both two stage and single stage compressing of atmospheric air.

These are much more efficient than the Direct driven compressors as they run cooler and provide a great quantity of pressure for the consumed power.

The other variations also present in the units of air compressors that a person can choose easily according to the style of the job that they want to perform. It wholly depends on the jobs that people can decide what kind of air compressor is best for their project. You can choose your air compressor on the basis of the following criteria and choose wisely among them.

So let’s start

The work environment

The work environmentBefore choosing anything else you need to determine the portfolio of the work profile you are going to work in.

The type of job helps in determining the right compressor suitable for the job for eg if the work is a DIY project than it needs to be done with the help of directly driven compressors but if the work is highly demanding or intense work than you might need a belt driven compressor. So determining the compressor according to the job is a must step.

Right size

For achieving the right pressure of flow from the spray gun you need to understand that the size of the compressor matters a lot. Buying a small compressor might end up in a lot of wastage of time whereas a big compressor can end up wasting a lot of resources. So opting for the right size is pretty much mandatory.

Air compressor with the apt air flow

The measurement of airflow is done according to cubic feet per meter (CFM). The desired CFM value should be more than the required CFM output and less than the maximum CFM output mentioned.

As per the thumb rule, it is said that to determine the CFM number you have to add 30 percent to the desired CFM number. For achieving high pressure a compressor may also require high horsepower, more electrical components, and large pumping system.

Size of the compressor

If the job being done is a short-term work and requires quick and concentrated usage then you need to use a small-sized compressor but for a job that is being aimed for a longer period, you need to opt for a largely sized compressor.

Size of the compressor

The horse power required

If you are working with a high CFM you need to opt for a compressor with high horsepower also. A higher horsepower is required to ensure that the flow of spray is in a good quantity. To determine the right horsepower according to the CFM is highly recommended.

Tools needed

Forgetting the right pressure from the spray gun or compressor you need to determine the tools you might be required for the same as the tools would help you decide the right PSI the compressor should be providing. The right tools help in assuring the compressor delivers enough PSI to work effectively.

Using the right protection

When working outdoors with an HVLP spray gun you need to make sure you keep the compressor protected from the extreme temperature or water or moisture and to ensure the protection of the compressor you need to construct cast iron around the compressor to provide it protection against these factored and ensure durability and longer life.

Other features

There are few parts of the compressor which can work as the money saver and increase the efficiency of work other than the airflow or tank size etc. For e.g. –various internal adjustments can be eliminated by using one-piece connecting rods or stainless steel finger valve can help in eliminating corrosion. Such small fittings can help in saving a lot of money and increasing the efficiency of the flow of paint through the spray gun.

Considering the control system

A normal start and stop system could be used for work which doesn’t require constant air whereas if there is work with requirement of 8-9 hours of work than you might need a constant speed control system to adjust the speed accordingly.

Cost of the compressor

If you are looking for a cheap compressor than you need to know that these compressors work for long and are disposable whereas a long-term compressors are expensive. So choose wisely which suits you best.

The right company to be chosen

The brand or the company reputation matters a lot you need to check everything from the history to the price to the defaults in the company everything to choose the best option for the compressor.

So this was all about the requirements of the air compressor for spray painting that you need to keep in mind while buying a compressor and these qualities might tell you a lot about why you need an air compressor for spray guns.

Benefits of air compressors:

It helps in saving energy as it helps in producing the right amount of pressure required without any wastage.
Helps in low-cost energy conservation which not only benefits the user but also works for the well being if the society.

It delivers a smooth and fine quality finish to the sprayed paint.

So these are the few reasons why you need to opt for an air compressor for spray painting. We hope you liked the article and for any, further her query or suggestions keep visiting our site. And for any comment or query contact us through the comment section below.

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