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Sprayer Depot Blog

3 Keys to Selecting the Right Spray Tip

Posted by Sprayer Depot on Thu, May 28, 2015

hypro_spraytipSpray tips are important, but these small components happen to be an often-overlooked part of a sprayer. With so many options on the market it’s no wonder that you might feel overwhelmed with choices. However, the benefits of finding the right tip for your application will pay in spades in the long run. Determining which spray nozzle is best for your needs depends on a variety of factors, including the type of spray application and your sprayer equipment.

An appropriate spray tip can do the following:

  •       Reduces off target spray
  •       Provides more control to improve coverage
  •       Means you save money
  •       Best for the environment
  •       Means you complete your spray job faster

So there’s a reason why there are so many different types of spray tips in tons of sizes, capacities and materials. To get started, you should identify your needs. This first step will guide you to a narrower field of nozzle options. For instance, are you trying to reduce spray drift? Do you need a wide pressure range? What would you change about the nozzle you’ve used most recently? Do you want better coverage? Once you’ve identified your needs, then follow these three keys to selecting the right spray tip.

1. Determine Flow Rate (gpm): You’ll need to identify the application volume (gpa), travel speed (mph) and nozzle spacing in inches (w) to find the right flow rate. Your calculation may look something like this: 

Flow Rate (gpm) = Volume x Speed x Nozzle Spacing
                                                   5,940 

Check out the Hypro SprayIT Calculator – it’s a helpful reference guide, or TeeJet’s nozzle selection guide

2. Select the Right Nozzle: With that information on hand you’ll have a better idea of the type of nozzle needed and can follow the manufacturer’s chart to identify the model that will work best for your needs.

Keep in mind that nozzles come in different materials. Brass resists corrosion from corrosive chemicals, plastic will not corrode and resist abrasion, stainless steel offer good corrosion resistance and are best suited for high pressures, aluminum are easily corroded by some fertilizers, and ceramic are highly resistant to abrasion and corrosion.

3. Calibrate and Adjust: After you’ve installed the new spray tip, calibrate your sprayer. This determines the amount of spray volume applied per acre. Also keep in mind that when you’re on a job, the spray pressure output of you sprayer may differ from the charts. You can adjust for this by determining the amount of pressure at the nozzle and then subtracting or adding pressure from your main gauge to compensate and ensure that you’re getting the desired output needed.

Have other suggestions to selecting the right spray tip for your needs? Maybe you’re a fan of simply calling our Customer Service Technicians to determine the right product or perhaps you have a specific brand you prefer. Either way, we’d love to hear what work best for you. Leave a comment below.

tipnozzle

Topics: spray tips, Spray Nozzles, spray tip, spray tip selection, sprayer nozzle, spray tip calculator, spray tip selector, drift control spray tip, Sprayer Nozzles, spray nozzle, spray tip guide, nozzle selection guide, spray nozzle selection

How To Manage Spray Drift in 5 Easy Steps

Posted by Sprayer Depot on Wed, Aug 27, 2014

Kings SprayerImagine you’re applying pesticides using a backpack sprayer. Or, just the same, you’re spraying from a truck using a tank, pump and hose to apply chemicals. Maybe you’re using a boom setup. For that matter, you could even be piloting an airplane and in each situation the definition of spray drift is the same.

According to the United States Environmental Protection Agency: “pesticide drift is the movement of pesticide dust or droplets through the air at the time of application or soon after, to any site other than the area intended.”

We’re all aware of those two dreaded words: Spray Drift. While the repercussions of it vary for each industry and application type, the definition and solutions to manage spray drift are similar. In many of these scenarios above the issue with spray drift can lead to spotty pest control, wasted chemicals, off-target damage, water and air quality issues and higher costs. That last one really hurts. As the public becomes more aware of pesticide concerns, and regulators are quick to slap fines, spray drift management from that standpoint is vital to our livelihood.

Much like you take precautions to protect yourself with your work attire by making sure to wear proper clothing, eye protection and closed-toe shoes, you should also consider these five steps to manage spray drift from Sprayer Depot.

  1. Avoid spraying when weather conditions are unfavorable. I know, I know. You’ve heard this time and time again that weather affects spray drift. It’s true though and often times we get so caught up in our day-to-day that we ignore this important factor. Think about the day’s conditions as it relates to wind, temperature and humidity, air stability, etc. Know your product labels well and understand these requirements, even for wind velocity. Make adjustments accordingly. It may, even on the extreme end, require you to reschedule that day’s work. Also think about how droplet size factors into the weather issue. Large droplets are less likely to drift in general because they fall more quickly, evaporate more slowly and are less affected by the wind given their size. We like that.
  2. Consider using buffer zones. This aspect is becoming more important given label requirements these days. These "no spray zones" serve as a barrier to protect sensitive areas and vary greatly for each landscape, equipment and application type. Design of a buffer area depends on variables like spray method, wind, chemical type and the type of sensitive area that you’re trying to avoid. In general there is not a one-size-fits-all rule.
  3. Try new technologies like drift reduction nozzles. We recently spoke to Mark Techler with Hypro & SHURflo Ag and Industrial Pumps and Accessories in a recent blog post about drift control spray tips. He explained that these drift control spray tips “use air induction to produce air filled droplets, which dramatically reduce drift compared to conventional tips.” He went on to share the benefits of this new tech and offered up the Hypro SprayIT Calculator as a resource the next time your considering one of these new parts.
  4. Lower spray (boom) heights. It makes sense. The higher the boom, and thus the spray nozzle, are above the target, the more likely that wind will move droplets away from the intended area. Your nozzle label will offer a recommendation on nozzle height, which can serve as a good starting point to adjust the boom height. However, often those recommendations for nozzle height are much higher than optimum on large application equipment traveling at higher speeds. Of course, you want to ensure the boom isn’t too low, which can create uneven patterns. A 1:1 boom height has generally been the standard, but some recommend getting a tad closer so we recommend using the manufacturer recommendation as a starting point and working down from there – take into account your unique landscape and spray mechanics. 
  5. Use lower pressures.  In general, the concept that we’ve all heard is to use lower pressures, which result in larger droplets. However, in today’s application world this method might need some adjusting given the new technologies with drift control spray nozzles. With the design of some drift control spray nozzles that introduce air induction, these tips will create a drop in pressure while still producing larger droplets. 

Your actions can affect spray drift. After all, you CAN control the equipment you use and the field conditions you spray. So while you may not have control over the weather or even the neighboring property, you can be empowered by these 5 easy steps to manage spray drift and you have the opportunity to educate your team, too.

Topics: Spray Equipment Maintenance, Hypro, Boom Sprayer, fertilizer sprayer, Sprayer Depot, sprayers, spray equipment checklist, sprayer, spray tips, calibrating a sprayer, spray tip, spray tip selection, Shurflo, Sprayer Calibration, sprayer checklist, sprayer equipment, sprayer nozzle, spray drift, spray tip calculator, spray tip selector, drift control spray tip, drift control, Sprayer Set Up, Calibrating a Boom Sprayer, Boom Sprayer Calibration, sprayer tips and tricks

6 Reasons Why You Need Drift Control Spray Tips

Posted by Sprayer Depot on Wed, Jul 16, 2014

Contributed by Guest Blogger: Mark Techler, Factory Representative - Hypro & SHURflo Ag and Industrial Pumps and Accessories
Hypro air inducing spray tip


Spray tips
are the smallest and most overlooked components of a sprayer. Drift control spray tips use air induction to produce air filled droplets, which dramatically reduce drift compared to conventional tips. Here are the benefits: 

  1. Reduce off target spray. Your neighbors don’t want your ag chemicals on their property.
  2. Improve efficacy. It is estimated that 30% of conventionally sprayed droplets drift off target, land on the ground, or evaporate (leaving the active ingredient inert). Reduce that drift to 2% and achieve better results.
  3. Improve coverage. Air filled droplets stick to their target while conventional droplets may bounce off. When the air bubbles break the surface tension of the droplet, the spray material becomes more dispersed on the target.  
  4. Improve spray quality. The chemical label shows a droplet size category, which can vary from extremely fine to ultra coarse, at which the product must be applied for optimum results. Air induction tips produce more consistent droplet diameters than conventional tips.
  5. Save money. With improved efficacy and coverage you may require less chemical and less water to finish the job. With improved efficacy and coverage likely you will only need to spray once, saving money and time.
  6. Be environmentally responsible. Keep herbicides, pesticides, fungicides, and fertilizers confined to their targets and out of drinking water supplies and the aquifer.

Before you buy any spray tips, it is also important to know:

  1. Your spray technique: broadcast or banding
  2. Sprayer speed (in mph)
  3. Tip spacing (20 inches, etc.)
  4. Application rate (from chemical label)
  5. Spray tip flow rate (GPA or GPM)
  6. Spray pattern: flat fan or cone
  7. Spray quality (fine, medium, coarse, etc. from chemical label)

Armed with this information, use the Hypro SprayIT Calculator to select drift reduction tips. Hypro has designed this online calculator to make it easy to select the proper spray tip for your application. Given the information we just covered, all you need to do is select the type of application and input your specific application data and the calculator with do the rest.

Topics: Sprayer Depot, Sprayer Parts, spray equipment checklist, sprayer, spray tips, spray tip, spray tip selection, Sprayer Parts Guide, sprayer checklist, sprayer nozzle, spray drift, spray tip calculator, tip selector, tip selection, spray tip selector, drift control spray tip, drift control

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