EXAIR’s Atomizing Nozzles are commonly used to clean, cool or coat parts as well as humidification or to control dust. They are constructed of 303ss, providing superior corrosion resistance and are able to withstand temperature up to 400°F (204°C).
The External Mix Atomizing Spray Nozzles require a pressurized liquid source and compressed air source to produce a mist of atomized liquid. With the liquid and air being mixed external to the nozzle, they are able to handle higher viscosity fluids above 300 cP.
Our patented No Drip feature positively stops the liquid flow when the supply air pressure drops below 20 PSIG for 1/8″ NPT Nozzles or 30 PSIG for the 1/4″ or 1/2″ NPT. By incorporating this feature into the design, it eliminates the need for any additional valves or supply lines.
Available flow rates range from 2 GPH for our Model # EF9010SS 1/8″ No Drip External Mix Narrow Angle Flat Fan Pattern and up to 303 GPH for the Model # EF6010SS 1/2″ No Drip External Mix Narrow Angle Flat Fan Pattern.
When making a selection, there are 5 common considerations to take into account:
How much liquid flow do I need?
Is the liquid pressurized?
What is the viscosity of the liquid?
How wide of an area needs to be treated?
What type of spray pattern fits the application?
If you have an application requiring a fine mist of atomized liquid or if you’d like to discuss another product or application, contact one of our application engineers for assistance.
Today, I would like to focus on 2 specific Atomizing Nozzles – our No Drip Internal Mix Deflected Fan Nozzle and our Internal Mix 360° Hollow Circular Pattern Nozzle.
The No Drip Internal Mix Deflected Fan Atomizing Nozzle produces a flat fan of atomized liquid at a right angle to the nozzle’s orientation and is designed for use in pressured fed applications where the liquid doesn’t need to be controlled independently from the pressurized air. This nozzle is the perfect choice in processes where mounting space is limited like spraying solvent on conveyed parts inside a small chamber or coating the inside of an enclosure. The patented No Drip feature positively stops the liquid flow when the supply air pressure drops below 30 PSIG, eliminating the need for any additional valves or supply lines. This is especially beneficial in applications using expensive fluids or where drips can ruin a finished product. This nozzle is available with 1/4″ NPT inlets and flows as high as 6.9 gallons per hour.
Our Internal Mix 360° Hollow Circular Pattern Atomizing Nozzles produce a circular spray pattern, the ideal solution when trying to coat the inside of ductwork or where a broad mist of atomized liquid is necessary, like dust suppression or humidification. Available in 1/4″ NPT with flows as high as 14.7 GPH and spray diameters up to 53″ in diameter depending on air and liquid supply pressures. With the 1/2″ NPT, we can achieve up to 150 GPH with a spray diameter up to 156″. Our standard Atomizing Nozzles also feature an adjustment valve to provide control of the flow rate, making them easy to adapt to a specific requirement.
If you have an application requiring a fine mist of atomized liquid, please contact one of our application engineers and let us know how we can help in making the best product selection to fit your need.
Caller: Do you sell rebuild kits? Me: Yes, but…why?
This is a WAY oversimplified summary of the start of a popular conversation that an EXAIR Application Engineer might have with a caller looking to restore a particular product to proper operation. Truth is, most of our products have no moving parts, and if you supply them with clean, dry air, they’ll run maintenance free, darn near indefinitely. We’ve documented this in specific cases regarding a Reversible Drum Vac from 1999, a Vortex Tube from 1987, and a Cold Gun from 1985.
Caller: So…DO you sell rebuild kits? Me: Yes, but…only when necessary.
It’s important to note that none of the products mentioned above needed any parts replaced to return to service. Sometimes, a good cleaning is all that’s required. We can help you with a video tutorial if you want to know how to restore a Reversible Drum Vac, an Air Knife, or an Atomizing Spray Nozzle, for instance. And we’re making new videos all the time for product maintenance, operation, tips & tricks, etc.
Caller (again): So…you DO sell rebuild kits? Me: Yes, of course! I mean, who wouldn’t sell rebuild kits for their products?
We also recently added Rebuild Kits for our Atomizing Spray Nozzles to inventory. These contain all of the seals (and moving parts, for the No-Drip models) to restore an EXAIR Spray Nozzle to rated performance.
Five years ago, I wrote a blog about my (then) 11 year old son’s first-ever week away from home at Boy Scout Summer Camp. He’s departing again this weekend, but his troop has decided to venture “out of Council” this year, to Camp Howard W. Wall…it’s on the south coast of the island of St. Croix, in the US Virgin Islands.
They met last week to cover the final (and finer) details of international travel, flight schedules, logistics, etc., and activities…Camp Friedlander has a “blob:”
But Camp Wall has an OCEAN:
I’ve been thinking a LOT about the changes I’ve seen in the wide-eyed kid I dropped off at a camp that I drive past twice a day, and the smirking teenager that I’m driving to the airport on Sunday morning. And those changes are providing perspective on not only how fast those five years have passed, but how much can happen in that span.
In 2011, I was a wide-eyed “Dread Newbie” at EXAIR. One of my very first meetings with the rest of the gang was to be trained on our brand new Atomizing Spray Nozzles…we only had three styles to choose from, but two of them came in four distinct models, and one came in FIVE. They were ALL Internal Mix, because hey, who doesn’t like the maximum range of adjustability that comes with being able to vary your flow rate and spray pattern size by adjusting liquid AND air supply pressures?
OK; it turns out that was just the beginning…within the year, our Engineering Department had developed:
External Mix – three styles, thirteen distinct models, to allow for independent adjustment of flow rate (by liquid pressure) and spray pattern (by air pressure.)
Siphon Fed – two styles, seven distinct models, that could be siphon OR gravity fed, for situations where it’s not practical to pressurize the liquid supply.
And, four years after that, looking back, it seems like THAT was just the beginning…we now have:
*Two sizes – the original 1/4 NPT and the new(er) 1/2 NPT.
*Sixteen styles – each available with our No-Drip option (so technically I guess we have thirty-two)
*Forty-five distinct models – we’ve got a flow rate/spray pattern combination for just about any application
And, like the rest of our catalog products, they’re all in stock, ready to ship today, on time, like we do 99.97% of the time…that’s actually one thing that HASN’T changed in the 17 years that we’ve been keeping track.
If you’d like to talk about Spray Nozzles…or any EXAIR products (old or new,) give me a call.
The patented (no longer patent pending) EXAIR No-Drip Atomizing Spray Nozzles have been nominated and are a finalist in the Flow Control 2016 Innovation Awards. The No Drip Atomizing Nozzles are just a portion of the entire Liquid Atomizing Nozzle products that EXAIR Offers. The No-Drip’s patented liquid shut off valve design eliminates the need for a separate pilot air line to positively shut off liquid flow ensuring there are no drips or excess flow from the nozzle. These are ideal when dealing with fine surface finishes, costly liquids, or intermittent spraying needs. The nozzles are offered in both pressure fed liquid and siphon fed liquid versions.
For the pressure fed version, the nozzle will require both compressed air and a pressurized liquid source. Both pressures can be adjusted independently giving a large spectrum of adjustment to fine tune the spray pattern and droplet sizes. The siphon fed nozzles can draw liquid up to 36″ vertically or be gravity fed up to 18″ overhead. This makes installation quick and easy when a pressurized liquid source, or liquid pump is not at hand.
The No-Drip Atomizing Spray Nozzles have also proven themselves in many applications, you can even read about a few of them here on our blog, links below.
Some of the reasons the EXAIR No-Drip Atomizing Nozzles were selected for these applications are the patented no-drip valve, their ability to atomize liquids to a range of 22-71 micron droplet size, the ability to fit into a tight space as well as the many spray pattern options. These features have ranked the nozzles as a finalist in Flow Control’s 2016 Innovation Awards.
We are very grateful if you choose to vote for our nozzle at the link below. Please vote.
But if there’s a second constant around here, it’s excellence. And if there was a third, it was this guy…right up until the day he retired:
Another thing we don’t want to forget – in fact, I’m writing this as a reminder to YOU, dear reader, is that EXAIR products are up for ANOTHER four Plant Engineering Product of the Year Awards this year. If you haven’t familiarized yourself with this year’s entries yet, there are some VERY cool products to choose from, and I highly encourage you to check them out. (Disclaimer: I was an engineer BEFORE I came to EXAIR, and as such, I fully recognize the value that our esteemed colleagues bring to the table with THEIR entries, but I remain convinced that OURS are the clear winners here, as I’m sure you will too.)
Voting ends this Friday, January 8th 2016, so please hurry. We’re honored to have gotten the nod in four categories this year:
Automation and Controls: The competition is pretty stiff in this category…I’m sure you’ll recognize the names of some major players. But, considering the wide range of applications, the potential cost savings by regulating the use of compressed air, and the convenience afforded by the ETC Dual Cabinet Cooler Systems, it’s a real contender.
Environmental Health: With the ability to vacuum heavier tramp oils, thicker sludge, more viscous fluids, and “in the floor” cisterns, the High Lift Reversible Drum Vac makes fluid transfer and spill cleanup quick & easy. They’re in stock for 30, 55, or 110 gallon drums. If you want a drum dolly, additional vacuum tools, or even the drum itself, check out our Deluxe and Premium Kits. With all due respect to the other entries, it’s the clear winner in this category.
Compressed Air: This has been a long-awaited addition to our already broad selection of engineered air nozzles: the Back Blow Air Nozzles, available in two sizes, can handle blowing out pipe, tube, etc. with inside diameters from 7/8″ to 16″. You can get one installed on one of our Safety Air Guns, and they’re available with Chip Shields, and extension pipes up to 6 feet in length. This is the most innovative product being introduced in this category this year, for sure.
Fluid Handling: The patented design of the EXAIR No-Drip Atomizing Spray Nozzle offers a stand-alone nozzle capable of controlling liquid flow without requiring a liquid control solenoid. When the air supply pressure is shut off, so is the liquid flow…just like that.
This feature is available on any of our Atomizing Spray Nozzles. For safety, efficiency, cleanliness, it can’t be beat.
Remember, voting ends this Friday. I know there are some great products to choose from, but all of us at EXAIR would genuinely appreciate your vote for our products. Of course, if you ever have any questions about how these – or any of our Intelligent Compressed Air Products – can make life easier, give me a call.
They say having multiple choices in life is a good thing. This is also true when it comes to spray nozzles, specifically EXAIR’s atomizing nozzles.
Atomizing nozzles are used to coat, cool, treat, and paint products. They are also useful for dust mitigation. EXAIR offers a variety of nozzles, all stainless steel construction for durability and corrosion resistance, that allow for many different spray patterns. The nozzles only come with two inlet sizes – 1/4NPT and 1/2NPT, but this is not really the choice-limiting factor it sounds to be. There are a variety of spray patterns and liquid volume outputs available per size. The way the air and liquid mix together creates the style of nozzle, they are Internal, External, Siphon Fed, No Drip Internal, No Drip External, and No Drip Siphon Fed. On top of that, with each mix style and size, there are a large number of spray patterns available. More choices!
Internal mix nozzles mix a liquid (viscosities up to 300cP) and air, both pressure fed, inside the air cap and produce the finest atomization. External mix nozzles mix a liquid (viscosities above 300cP) and air, both pressure fed, outside the air cap and allow the liquid and air flows to be adjusted independently. These nozzles have the highest flow rate and are best used where precise liquid flow is needed. Siphon Fed nozzles require no liquid pressure. They can be used with gravity fed liquids (viscosity up to 200cP) or liquids from a siphoned height up to 36in.
The spray patterns available are: Flat Fan, Deflected Flat Fan, Wide Angle Flat Fan, Narrow Angle Flat Fan, 360° Hollow Circular, Round, Wide Angle Round, and Narrow Angle Round. Each pattern is different and is tailored for certain usages. Think of how you use your garden hose. Many of the patterns and their uses are the same.
Mix and match to meet your needs. With all the combinations available, you should have no problem finding the perfect pattern for your application. If you find this plethora of choices to be a bit overwhelming and need assistance, please contact an EXAIR Application Engineer at 1-800-903-9247; we would be happy to assist.