Airless Sprayer is a painting technique which simplifies the process of painting. This technique of painting is often preferred because the result is smooth and has an even finish, which can withstand wear and tear as well as harmful corrosion effects. Airless sprayer is portable and has different sizes and it is available in electric and petrol models. Using airless paint sprayer can simplify your painting in two ways. First, if you want to speed up the job that requires several gallons of paint, the application is faster than using a roller or a brush. And second, if you want your project to be a glass smooth finish on woodwork or doors, the airless sprayer can lay the paint on flawlessly. An airless paint sprayer uses a hydraulic pump system to output high volumes of paint in a fast and efficient manner. In fact, it uses pressure up to 3,000 psi to spray paint out of a tightly secured-hose. This airless paint technique is primarily used for production works because of the ability to cover large areas in a minimal time. It can also reduce overspray so it can save a lot on paint consumption.
Best Quality Brands
There are different brands of the airless paint sprayer but here are the five best quality brands.
Benefits of Airless Paint Sprayer
Now let’s talk about the benefits that airless paint sprayer can provide. It has a high transfer efficiency which means less waste, and more product application on the surface. It can also provide a fast application in excellent rates and capable in applying thick coatings in high speed. Airless sprayer can apply high-viscosity materials without thinning. It can also provide excellent coverage on irregular surfaces. The important factor of using this is keeping all your costs down. But before we get excited about the benefits of the airless paint sprayer, here are some drawbacks to consider. First, the fine particles of paint don’t all stick to the surface and a large percentage of the paint ends up in the air, where it can drift and settle onto everything in sight. This means you’ll be wasting 20 to 40 percent of the finish, depending on the application. You’ll also have to take extra time to mask it off and cover up everything you want to keep paint-free. Using airless paint sprayer outdoor is also risky. Over spraying can end up on your shrubs or roof, or drift with the wind onto your neighbor’s car. The other downside is the extra time it takes to flush the paint from the pump and hose and clean up the spray gun.
Basic Components of Airless Sprayer
After we learn the benefits and the drawbacks, here are the basic components of the airless sprayer which are made from different individual parts all working together to help make painting much easier.
The Drive Train
There are also some other important components of the sprayer, like the Pressure Control, Chassis, the Spray Valve that switch and sets the airless sprayer mode to either Prime Mode or Spray Mode, the Rod which is the piston part of the fluid section, the Intake tube where the material to be sprayed is drawn into, the Return Tube that returns the paint onto the bucket during priming of the pump, the Manifold Filter that is the filter within the sprayer which is the first line of defense against large particles in the paint, and the Gun Filter which is the filter inside the gun and the second line of defense against remaining debris in the paint. And lastly, the Packings, it is the seal in the fluid section which makes the Pump works.
How Airless Paint Sprayer Works?
- The first step, is to make the paint sprayer work properly so it is important to prime the pump first. The sprayer comes up with a prime tube and a suction tube, so extra care is needed when inserting the suction tube into the paint pail while the prime tubes go into a pail that is designated for waste. Then, turn the Spray valve to the “Prime” setting. After turning on the pump, it is needed to adjust the pressure valve until you hear the pump starting to work. When paint emerges from the prime tube into the waste bucket, you can use clips to attach the prime tube to the suction tube. This is the best way to relieve air bubbles from the prime tube and clear away any obstacles inside.
- The next step is filling the hose with proper materials. After removing the spray tips from the hose, you can hold it over the waste bucket and pull the trigger. Be sure to switch the valve to “spray” setting as well. When the paint is flowing steadily, you can stop shooting the trigger. Be sure to lock the trigger at this point. This entire process is known as a “pressure-relieving”, and it is the essential step to keep the paint sprayer functioning correctly. This step is also a preferred clean up method — by relieving it of its pressure and releasing any leftover paint.
- Next is installing and tightening the tip. Before using the paint sprayer on the desired surface, you must be sure that the tip is properly installed. The tip itself should be facing forward. When aligning the tip, make sure it is looking at the project head-on. It means the arrows of the tip should always be facing forward. Then, you can use your hand to tighten the tip.
- Finally, you may be able to adjust the pressure of the spray while it’s being used. Make sure the valve is turned into “spray” setting. You can use a piece of throw away cardboard or a metal to test out the pressure if there are tails in the spray pattern, the pressure is too low. Having low pressure will make the paint come out unevenly. You can also try using a narrow tip to control the flow of the pressure.
After learning about works of the airless paint sprayer, it is important that we need to know the safety hazards. Now there are two major types of safety hazards in using an airless paint sprayer. The first safety hazard is the fire and explosion. Fire and explosion can occur if the sprayer is spraying or flushing flammable fluid in the area where air circulation is poor and if there’s an open flame or sparks. Many paints, solvents and vapors will ignite causing a fire or explosion which may burn you. With an ungrounded spray system, the flow of the fluid through the sprayer and hose may create enough static electricity to cause a spark from the gun. That spark can ignite flammable vapors. And the second safety hazard is the injection of the spray material. The injection can be caused by high-pressured fluid passing through a small opening, such as the spray tip or hose leak. This creates a high-speed stream of the fluid which is powerful enough to pierce the skin and enter the body. Injection occurs when the high-pressure fluid pierces the skin. The common causes of injection are, placing the hand or the body too close to the spray tip, and grabbing a leaking hose or fitting, even wearing gloves or using a rag. The injury might look like just a cut, but don’t be fooled maybe it’s a serious wound. It is important to prevent this situation by not putting the hand or the body in front of the sprayer tip unless it is off and depressurized. Also it is important to wear safety glasses and work in a well-ventilated area. Like Benjamin Franklin said that “An ounce of prevention is worth a pound of cure.”
The airless paint sprayers are extremely easy to use. Once you learn how to properly set up, clean and maintain each of its parts, you will be able to use it like a pro! There are varieties of techniques that you can use to get the most functionality out of your paint.