Tag: air nozzel

Reduce Compressed Air with EXAIR Air Nozzles and Jets

Published on by jasonkirbyLeave a comment
EXAIR Nozzles

EXAIR’s Engineered Air Nozzles and Air Jets offer an effective solution for reducing both compressed air consumption and noise levels during blow-off operations. Compared to traditional open copper tubes, pipes, and standard air nozzles, these products can achieve compressed air savings of up to 80%. This significant reduction in air usage also leads to a notable decrease in sound levels, with an average noise reduction of 10 dBA. Furthermore, all EXAIR Air Nozzles and Jets comply with OSHA standards regarding dead-end pressure and sound exposure limits.

EXAIR Nozzles are expertly engineered to utilize the Coanda effect, which enhances airflow by up to 25 times through the attachment of high-velocity fluid to surfaces. Compressed air is released through small openings in the nozzle, drawing in surrounding air and creating a powerful blast of high volume and velocity while consuming less compressed air. The company offers a diverse range of air nozzles, from the compact yet potent Atto Super Air Nozzle to the larger 1-1/4 NPT Super Air Nozzle. Additionally, EXAIR provides Flat Super Air Nozzles and Back Blow nozzles, specifically designed for cleaning tubes, pipes, channels, or holes ranging from 1/4 inch to 16 inches in diameter.

Our Air Nozzles are designed to comply with or surpass OSHA Standard 1910.24(b) regarding dead-end pressure at 30 PSIG. They are engineered to prevent dead-ending, ensuring that there is always an escape route for the air, which means the outlet pressure will not reach 30 PSIG. Furthermore, our products adhere to OSHA Standard CFR 29 – 1910.95(a) concerning permissible noise exposure levels. EXAIR Air Jets leverage the Coanda effect to enhance air movement in their environment. A small volume of compressed air is accelerated through an internal ring nozzle at supersonic speeds, creating a vacuum that draws in significant amounts of surrounding or ‘free’ air. The resulting exit flow is a mixture of these two air sources.

EXAIR produces two types of air jets: High Velocity and Adjustable, crafted from brass and Type 303 Stainless Steel. The High Velocity Air Jet features a replaceable shim that allows users to adjust the gap, thereby regulating the air’s force and flow. In contrast, the Adjustable Air Jet does not utilize a shim; instead, it incorporates a micrometer gap indicator and a locking ring, enabling users to modify the performance in terms of force and flow as needed.

If you have questions about our Air Nozzles and Jets, or anything regarding EXAIR and our products, please do not hesitate to reach out.

Jason Kirby
Application Engineer
Email: jasonkirby@exair.com
Twitter: @EXAIR_jk

Utilizing EXAIR Accessories

Published on by jasonkirbyLeave a comment
Accessories

At EXAIR, we take great pride in our Intelligent Compressed Air Products, which are renowned for their efficiency and minimal maintenance requirements, thanks to their design featuring few or no moving parts. While we often highlight these advantages, we also do not want to overlook the importance of the accompanying accessories that enhance our products’ performance. These accessories play a crucial role in ensuring our compressed air solutions maintain their low maintenance and reduced noise levels, further solidifying their compliance with OSHA safety standards.

Compressed air filters and regulators are among the most essential accessories we offer, and we highly recommend their use with all our products, as well as with other brands. The Filter Separator effectively eliminates water, dirt, and rust from your compressed air system, while the 5-micron filter element prevents contaminants from clogging or damaging connected equipment. For more precise and additional filtration, an Oil Removal Filter should be installed downstream of the Filter Separator; it utilizes a 0.03-micron element to remove oil and solid particles. Our Pressure Regulators allow you to set the desired operating pressure, and we advise maintaining the minimum pressure necessary for optimal performance. This not only conserves air but also fine-tunes the efficiency of EXAIR products in various applications.

Good engineering practice calls for point of use filtration and moisture removal, such as that provided by EXAIR Filter Separators.
The Thermostat’s leads (left) are spliced into the Solenoid Valve’s ‘hot’ lead (bottom right), which essentially acts as the automatic temperature controlled ‘on/off’ switch for the Cabinet Cooler System. NEMA 4/4X versions include mounting hardware (top right).

We offer specialized accessories designed to enhance the performance of some of our products. For instance, our Line Vacs are complemented by the Line Vac Hose, while our Cabinet Coolers can be paired with Thermostats and Solenoid Valves. Additionally, we recommend Mufflers for optimal use with our Vortex Tubes. When it comes to our Air Knives, we provide several excellent options. The Universal Air Knife Mounting System offers a straightforward and dependable solution for mounting. For applications requiring longer knives or independent control of airflow sections, our Coupling Bracket Kits are ideal. Lastly, our Air Knife Plumbing Kits simplify the plumbing process for Air Knives exceeding 24 inches in length.

For those looking to connect Intelligent Compressed Air Products, we offer a range of compressed air hoses and fittings designed to enhance the convenience of installation. Coiled Hoses are an excellent match for our Safety Air Guns, providing greater mobility during operation. Additionally, our Compressed Air Hoses are frequently utilized with our Industrial Housekeeping products, ensuring that both the drum and dolly have the necessary reach for effective use.

Model 9256 6″ Stay Set Hose

If you are looking for an effective solution to mount or position your Air Nozzles, consider our Magnetic Bases, Stay Set Hoses, and Swivel Fittings, which can be combined to create a comprehensive setup.

If you have questions about our accessories, or anything regarding EXAIR and our products, please do not hesitate to reach out.

Jason Kirby
Application Engineer
Email: jasonkirby@exair.com
Twitter: @EXAIR_jk

Buy 1, Get 40 Free

Published on by Al WooffittLeave a comment

Buy one, get one free is a phrase many of us are familiar with. Most of the time it is a good thing; we all like free stuff. What would you say to buy one, get 30 free? Or even 40 free? That’s not far off how our Air Knives perform. They entrain large volumes of ambient air, so for every 1 SCFM of compressed air you are paying for, you are getting 30–40 SCFM of additional free ambient entrained air.

So how are our Air Knives able to do this? We explain this phenomenon in more detail in this blog here, but in summary, a Super Air Knife takes advantage of the Venturi Effect. Named after Giovanni Venturi, who found out that when you increase the speed of a fluid through an orifice, the surrounding fluid will move along with it. This creates a region of low pressure, and the faster the speed, the lower the pressure. With low pressure, the air around rushes in to fill that gap and join the airstream. The quantity of ambient air that gets ‘pulled’ into the airstream is entrained air, or free air.

The engineered surface of the Super Air Knife is designed to minimize as much loss in air speed as possible, which maximizes the amount of free air that is being entrained. The ratio between free air and compressed air used is called the amplification ratio. Super Air Knives have an amplification ratio of 40:1, with our Standard Air Knives having an amplification ratio of 30:1. For comparison, a pipe with holes drilled will have an amplification ratio of between 2:1 and 5:1. As you can see, with a Super Air Knife you are getting a much better deal on your compressed air usage.

This additional free air adds more mass, which allows the Super Air Knife to do more work. You will get a harder hitting force than a comparable product while using less compressed air. This makes Super Air Knives especially good for cooling and drying applications, where moving large volumes of air is ideal.

EXAIR Intelligent Compressed Air Products such as (left to right) the Air Wipe, Super Air Knife, Super Air Nozzle, and Air Amplifier are engineered to entrain enormous amounts of air from the surrounding environment.

It’s not just our Air Knives that take advantage of the Venturi effect to produce large amplification ratios. Many of our products are designed with efficiency in mind, including our Air Amplifiers, Air Wipes, and Air Nozzles and Jets, to name a few. If you would like to discuss how an EXAIR engineered compressed air product can amplify your process, then give us a call!

Al Wooffitt
Application Engineer

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It’s The Most Wonderful Time Of The Year…

Published on by Russ BowmanLeave a comment

One could make a good point about “The Most Wonderful Time Of The Year” being right now because…well, the song just says so, right? I can get on board with that, because I’m the world’s biggest sucker for Christmas music:

Of course, that song was used in one of my favorite ad campaigns of all time to describe a season that started a few months earlier:

But I’m going to have to go with “right now” not only for the Christmas music, but for my personal favorite EXAIR seasonal promotion:

Right now, through the end of the year, EXAIR will give you a Safety Air Gun with any Super Air Knife purchase. Not only do you get THE most efficient and quietest compressed air blowing product on the market today (we have data to back that up from a wide variety of products & devices that customers have sent in for Efficiency Lab testing), we’re going to sweeten the deal with free stuff.

First, let’s talk about the Super Air Knives:

  • They come in lengths from 3″ to 9ft. No matter how small, or big, your blowoff needs are, we’ve got you covered. If you need something longer than 9ft, they can be coupled together for a continuous, laminar airflow curtain as long as you need it to be.
Air Knife Coupling Bracket Kit
  • We make them in low cost, lightweight aluminum, tough & corrosion resistant Type 303 Stainless Steel, even tougher & more corrosion resistant Type 316 Stainless Steel, and PVDF (polyvinylidene fluoride) thermoplastic with Hastelloy hardware & PTFE shims for the highest level of corrosion resistance available.
PVDF Super Air Knife Kits include the Air Knife itself (PVDF body, Hastelloy C-276 hardware, and PTFE Shims,) a PTFE Shim Set, an Automatic Drain Filter Separator, and Pressure Regulator.
  • They’re efficient and quiet — for the same reason. See, the compressed air supply exits through a precise, narrow slot between the Cap & Body, which is precision finished, generating a 40:1 entrainment ratio. That means that for every SCFM of compressed air that the Super Air Knife uses, it entrains 40 SCFM of air from the surrounding environment…THAT’S efficiency. In doing so, that entrained air forms a low velocity boundary layer around the powerful, high velocity primary air stream. This layer serves to attenuate the sound level of that hard-hitting curtain of air, resulting in a sound level of only 69dBA.

And, if you order before 12/31/2025, we’ll throw in a FREE EXAIR Soft Grip Safety Air Gun, fitted with a Super Air Nozzle. If you’re using a loud, inefficient air gun for handheld blowoff, you really need to try one of these. They use the primary compressed air stream to entrain ‘free’ air from the surrounding environment as well, which generates a low velocity boundary layer for sound reduction too. The Super Air Nozzle is well suited for a wide range of industrial blowoff applications, and the Soft Grip Safety Air Gun is ideal for hours of continuous use without fatigue.

EXAIR Super Air Nozzles entrain an enormous amount of air from the surrounding environment, making them efficient, and quiet.

Need something right away? EXAIR has you covered there too: all of these (and pretty much any of our other Intelligent Compressed Air Products) are on the shelf and ready to ship, same day, with orders received by 2pm EST. If you’ve got a blowoff application that you’d like to find a safe, quiet, and efficient solution for, we can help…give me a call.

Russ Bowman, CCASS

Application Engineer
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