FAQ: What Is The Pressure For Hi Pressure And Low Pressure Paint Sprayer?

What pressure should I set my paint sprayer?

We recommend painting between 25-30 psi while the trigger is pulled. You may see some paint tech sheets which refer to a painting air pressure of 8-10. Don’t set the spray gun to those as this measurement is referring to the air cap pressure right where the paint comes out.

What is a high volume low pressure spray gun?

HVLP is an acronym for High Volume Low Pressure which means a high volume of air (10-25 CFM) at a low air pressure (10 PSI/0.7 Bar or less). Atomization is achieved by the volume of air not by high air pressure which reduces the forward velocity, thus creating a softer spray.

What PSI should I spray base coat?

When spraying base coat clear coat systems, you want to spray at 26-29 PSI. You measure this PSI by pulling the trigger and letting air flow through the tip of your gun with your dial or digital readout saying 26-29 PSI.

Is a gravity feed spray gun better?

Summary. In most cases, a gravity feed paint spray gun is the better choice thanks to its efficient and versatile design. Although HVLP is a requirement in most areas, whether or not you use an HVLP gun, gravity feed offers the advantage over conventional feed because of the lower air pressure requirement.

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How much pressure does a HVLP gun need?

HVLP, or High-Volume/Low Pressure, uses a high volume of air (typically between 15-26 CFM) delivered at low pressure ( 10 PSI or less at the air cap ) to atomize paint into a soft, low-velocity pattern of particles. In most cases, less than 10 psi is needed in order to atomize.

Are LVLP spray guns any good?

LVLP spray guns are better than HVLP spray guns because they produce few defects. This is because air bubbles can be produced in high volume which can cause a lot of defects. The LVLP uses low pressure and a thin nozzle which allows a low volume of paint to be pushed out of the gun.

Is HVLP better than airless?

Vertical spraying: An HVLP is better for vertical spraying small projects than an airless, especially if you’re new to spraying. You’re far less likely to get paint runs because you’re spraying at a much lower pressure. An airless cranked up to 2,000 PSI throws a lot of paint onto the surface quickly.

What’s the difference between the and HVLP spray gun?

The high pressures of conventional spray guns turn paint into a finely atomized mist, giving you a thinner, finer application. HVLP spray guns produce a thicker coat due to their lower pressure, producing large droplets.

How much air does a spray gun use?

Most HVLP spray guns will use 10-14 scfm at 40 psi. This is volume of air pressure per cubic foot.

What does 10 PSI at the air cap mean?

It should also be pointed out that the 10 psi at the air cap is pretty much generic to all hvlp guns. That 10 psi is a MAXIMUM air pressure recommended at the air cap.

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What size tip should I use to spray clear coat?

A general rule of thumb is: Heavy-bodied primers and primer surfacers work best when you use a nozzle size of 1.7 to 2.2. Basecoats should be sprayed with a 1.4 to 1.6 nozzle. Clearcoats should be sprayed with a 1.3 to 1.7 nozzle.

What pressure do you spray 2 pack paint?

50 psi should be fine, i agree that your top coat should be thinner to allow the paint to settle quicker but in my opinion, you cant beat three or four thin clear coats with 2K paint for a deep shine, and it will also protect your colour coats from damage.

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