Tag: fog

Another Spray Nozzle, Another Award

Published on by Russ BowmanLeave a comment

EXAIR Corporation’s Research & Development team often finds themselves at odds with our Marketing department, who thinks R&D, through their constant introduction of new ideas & products, is trying to turn our catalog into something resembling a phone book.

This mass of paper, my dear Millennial friends, was key to effective communications in the 20th Century.

I do not believe that is their aim or intention, though (and to be fair, Marketing doesn’t either.)  Honestly, we just want to help folks in a wide range of industries solve problems.  And a diverse range of engineered compressed air products is our tried-and-true, successful method for doing so.

Over the past few years, EXAIR has worked hard on expanding our line of Atomizing Spray Nozzles with different sizes, flow rates, and spray patterns to meet most any need for a fine, controllable liquid spray.  Most recently, our efforts were rewarded when our Model AT5010SS 1/2 NPT 360° Hollow Circular Pattern Atomizing Spray Nozzle earned recognition by Plant Engineering as a 2018 Product of the Year, in the Fluid Handling category.

If you need to spray liquid over a large area, this is the spray nozzle you’re looking for.  It can cover a 13 foot diameter with up to 150 gallons per hour.

Model AT5010SS 1/2 NPT 360° Hollow Circular Pattern Atomizing Spray Nozzles are ideal for smooth, even coatings in large pipe or duct ID’s, or for a mist or fog over a large area.

EXAIR Corporation offers a wide variety of Liquid Atomizing Nozzles, enough to fill a phonebook where we’re certain to have one that fits your spraying needs.  To find out more, give me a call.

Russ Bowman
Application Engineer
EXAIR Corporation
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Video Blog: EXAIR Atomizing Spray Nozzles Product Line

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Want to learn more about EXAIR’s line of Atomizing Spray Nozzles?  This short video will familiarize you with their benefits, features, and capabilities.

Russ Bowman
Application Engineer
EXAIR Corporation
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EXAIR Atomizing Spray Nozzles Make It Nice & Foggy In Greenhouses

Published on by Russ BowmanLeave a comment

Fog. Nobody likes driving in it. It’s downright perilous to sailing vessels on the open water, but especially those near the shore, or other watercraft. Flights get delayed or cancelled, stranding travelers in airport terminals far from home, and keeping many from pressing matters that necessitated the speed of an airline flight in the first place.  Oh, and it’s ALWAYS where the bad guy is hiding in the movies.  You can tell by the ominous low-string music that starts playing right before things get real nefarious.

You know who LIKES fog, though?  Greenhouse operators.  Their plants get plenty of water to sustain their growth from the well-irrigated soil, but the leaves & petals can wither and get discolored if the humidity isn’t kept at a high level.

The same is true for the parts of a greenhouse that folks don’t see when they’re selecting the annuals to plant on the next nice spring weekend (which we should be coming up on quite soon here!) – like the seed germination chambers.  I had the pleasure of helping a greenhouse operator recently, who needed to replace some old, and malfunctioning, nozzles in one of their germination chambers.  They were interested in the extremely fine mist that our Atomizing Spray Nozzles produce.  After some experimentation with a couple of different flow rates & patterns, they determined that the Model AW1020SS (Wide Angle Round Pattern, Internal Mix) Atomizing Spray Nozzles provided optimal results.

The fine, atomized mist (left) produced by the EXAIR AW1020SS (right) optimizes the seed germination in this chamber.
The fine, atomized mist (left) produced by the EXAIR AW1020SS (right) optimizes the seed germination in this chamber.

As the fogging systems in their other chambers start to fail, they’ve been replacing them with the AW1020SS’.  We shipped them two earlier this week.

With (90) distinct models to choose from, we’ve got the solution to your liquid spraying application.

EXAIR Atomizing Spray Nozzles offer an incredibly wide range of flow rates, patterns, and adjustability to suit most any application that requires a fine liquid mist.  If you’d like to find out more, give me a call.

Russ Bowman
Application Engineer
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Atomizing Nozzles Create Fog for Wet Room Testing

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Recently, I was working with a customer that has purchased several of the EXAIR Atomizing Spray Nozzles, specifically the model Aw5020SS.  The customer had another project coming up and needed two more nozzles. I inquired about the application and we discussed at length the way the nozzles are being used.

When a concrete road is being poured, several sample forms are poured during the process. The local Department of Transportation takes the samples and cures them in a wet room for 30 days, and then performs tensile testing, to confirm the concrete meets the strength requirements.  The wet room must be kept at 23°C (73.4°F) and 100% Humidity during this time frame.  The EXAIR model AW5020SS Atomizing Nozzles are used to provide the moisture that ensures the room humidity conditions are met and maintained.  Because the droplets are very fine, the effect of a fog is achieved, with the water droplets suspended in the air, keeping the humidity at 100%.

Atomizing spray nozzles are capable of producing very fine droplet sizes.  A typical rain drop is 6000 microns in diameter, standard liquid nozzles produce droplets ranging from 300-4000 microns.  The EXAIR Atomizing Nozzles produce droplets from 20-100 microns!

AW5010pr800.jpg
Model AW5020SS

Droplet  sizes can be adjusted by varying either the liquid pressure or air pressure. Increasing the air or decreasing the liquid pressure will generally produce a smaller droplet size.

EXAIR manufactures (3) types of Atomizing Nozzles – Internal Mix, External Mix, and Siphon Fed, in both 1/4 NPT and 1/2 NPT sizes. Maximum liquid viscosity is 800 cP. Flow rates range from 0.6 GPH up to 303 GPH, so we’ll be able to find one that meets your flow requirements.

To discuss your application and how an EXAIR Atomizing Nozzle can benefit your process, feel free to contact EXAIR and myself or one of our other Application Engineers can help you determine the best solution.

Brian Bergmann
Application Engineer

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