How to Choose a Spray Gun Based on your Project Needs

Spray Guns Worth Mentioning

An essential part of Polyurethane application is having the right gun. In this article, we review the top seven types of Polyurethane applications, which gun is best, and why you should consider them for your next project.

Roof & Wall Insulation

Virtually any spray gun will work great for roofing and wall insulation. The Graco Fusion line is a popular choice, along with the PMC Air Purge line. Click here for more options.
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6 Ways to Enhance your Spray Gun

You have your spray gun, now what? Different jobs require different mixing chambers and variable pressure from your machine. Your gun requires care and maintenance in order to extend the life of the gun. Here, we discuss the top six gun enhancements you should have on-hand in order to enhance and extend the life of your spray gun.
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How to Easily Adjust the Output on Your Fusion Gun

Take your Machine from Zero to Full Flow

The AP Fusion Variable Flow Cap is designed to allow you to change the output of your Graco Fusion AP gun without having to change the mix chamber. The AP Fusion Adjustable Flow Cap Kit is the newest addition to the Graco Fusion AP spray gun. Preventing the applicator from having to purchase and replace multiple chamber sizes in order to achieve variable flow patterns, this gun make material flow a breeze.
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Spray Gun Safety

Every gun has a safety feature. You should get in the habit of turning on the safety feature whenever you stop spraying – whether it’s to talk to someone or check your depth. It’s an often overlooked step when a new applicator is learning, but can quickly cause serious injury or damage if the spray gun releases unmanaged chemical.

Check your A Filter

I make it a habit to check my A Filter before I start every morning. To me, that’s the only way I can pressurize the machine and accurately read gauges to eliminate any problems. The reason I check the A Filter in the morning is, regardless of when the gun is cleaned the previous day, the cleaner tends to leave a layer of film on the screen.

Pre-greasing Gun Parts

Most new-age spray guns are equipped with a grease fitting to lubricate the gun after service. However, pre-greasing each and every par,t within the wet end of the spray gun during assembly, assures each part is properly greased – without relying solely on the zurk fitting.

Gun Cleaner for Minimizing Wear on Parts

Torching, picking, sanding, and wire brushing off the gun and related parts often does more damage than good. At best, it cleans the parts but accelerates service life by abrasive cleaning. Utilizing an effective gun cleaner to reduce excessive cleaning of parts is recommended. Generally, a quality gun cleaner can clean parts within 15-20 minutes when the gun cleaner is heated overnight at room temperatures.

Clean your screen filter

Materials entering the proportioning unit may require screening or filtering. Therefore, manufactures of the spray equipment commonly install y-strainers or filter housings on or near the machine to pre-screen the materials as they are transferred from the storage vessel prior to entering the proportioning unit. Proper cleaning or replacement of the screen filter must be completed daily or as needed to ensure proper material supply is achieved. Clogging and restriction of the screen filter may cause cavitation and/or poorly dispersed product known as off-ratio.
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