Quick Answer: How Much CFM Do I Need For A Spray Gun?

What is the air cap on a spray gun?

The Air Cap for your Spray Gun is critical because it will be one of two primary factors that determine the finish quality of your painting as well as the speed at which you can paint.

The air cap will also determine how thick of coating you can atomize and spray pattern size..

How big of an air compressor do I need to paint?

15 gallonsFor painting, you really can’t use a smaller compressor, you’ll need a larger one, probably at least 15 gallons (they tend to have a large enough motor). Just match up the paint gun to the compressor. As others have said, spraying paint is usually NOT a pressure thing, but VOLUME of air.

Is HVLP better than airless?

Atomized particles from an HVLP unit are smaller and more uniform than particles propelled from an airless sprayer, he says. With latex wall paint on drywall, the difference won’t matter. … But airless units are better for high-volume jobs, such as the exterior walls of a house.

What is difference between CFM and SCFM?

1. CFM is Cubic Feet per Minute, while SCFM is Standard Cubic Feet per Minute. 2. SCFM is the volumetric flow rate against a standard, whereas there’s no standard for CFM.

How big of an air compressor do I need to run air tools?

30 to 140 CFMAs a guideline, air compressors meant for powering tools fall in the 30 to 140 CFM range. Air compressors with lower CFM ratings are meant for passenger tire inflation, while higher CFM air compressors are designed for industrial applications.

What is the best air compressor for painting cars?

List of 8 Best Air Compressor for Painting CarsDeWalt DXCMPA1982054 Air Compressor for Painting. … 2. California Air Tools 10020C Air Compressor Spray Gun Review. … Industrial Air IL1682066 Compressor for Painting Car. … Powermate Vx PLA4708065 Electric Air Compressor Review.More items…

How many CFM does a HVLP gun need?

– An HVLP Spray Gun uses a lot of air and the more you have the better. However, you will typically always need at least 8 CFM for the lowest consuming air volume HVLP Spray Gun, we recommend a minimum of 30 CFM to prevent issues with the gun not atomizing well and changes in the fan pattern occurring.

What pressure should I set my spray gun?

Air pressure affects results Some typical settings: 15 to 20 psi:Airbrushing, touch-up, shading, sunbursting, and thin finish materials. 20 to 25 psi:Soft, velvet-like coverage, with lacquers in particular. 35 to 45 psi:Average spraying range for sealing and topcoating.

How big of an air compressor do I need for a HVLP spray gun?

Most hvlp guns require around 10-12 or more cfm’s. You can purchase spray guns that only require 3-6cfm’s but you can purchase a compressor for what they cost.

How many CFM do I need for a spray gun?

12 CFMWhile some air spray guns have a rating of lower than 10 CFM, we’d recommend your compressor CFM for spray painting is at least 12 CFM.

What is 10 psi at the cap?

That 10 psi is a MAXIMUM air pressure recommended at the air cap. Look at it as a redline of a tachometer connected to a race engine. You don’t have to run that engine at the redline rpm all the time you drive it. The same with the 10 psi max for HVLP air caps.

Can you use a HVLP gun with an air compressor?

HVLP guns require plenty of air, so you may have to buy a larger compressor. The manufacturer of the gun shown recommends a minimum of a 3-hp compressor with a 20-gallon tank. Although this is an added investment, you can use the compressor to power other tools.

Can you paint a car with a 20 gallon air compressor?

As a rule of thumb most air compressors with an air tank capacity of 30 gallons and up and usually handle painting a car if you match the paint gun CFM to the CFM rating of the compressor for a complete buying guide visit AirCompressorsUSA. … Most can be stored under a workbench and can paint an entire car no problem.

Are LVLP spray guns any good?

Our top pick for the best LVLP spray guns is the Campbell Hausfeld Paint Spray Gun Kit, Gravity Feed. It is durable, lightweight, and has a variety of applications. If you want a budget-friendly option that is still efficient and long-lasting, then consider the SPRAYIT SP-352 Gravity Feed Spray Gun.