Tag: airknife

Why Do We Guarantee?

Published on by Al WooffittLeave a comment

We hear about all kinds of applications when working with customers. For many of them, there is an obvious solution. Your electrical panel is overheating – an EXAIR Cabinet Cooler is what you are looking for. If you’re experiencing static on an assembly line – a Gen4 static elimination product is what you need. If you’re trying to blowoff excess water from an extruded pipe, then a Super Air Wipe is the right solution.

There are many applications however, where the solution isn’t as obvious. We know that our products can help, but with the sheer number of variables there isn’t a way to plug everything into a formula and say that this will be the outcome. The end result needs to be found through testing. This is where EXAIR’s 30-day unconditional guarantee comes in. All of our stock, catalog products come with this guarantee. After purchasing one of these products, you have a month to put it through its paces; adjust the angle, adjust the operating pressure, swap out shims. If you are able to find the right conditions to solve your problem, then great! If not, we’ll take it back and issue full credit! You’re only responsible for the shipping to get it back to us.

Line Vac test

A popular application where testing is essential is with our Line Vacs. There are multiple variables at play: the bulk density of the material, the size of the material, is it abrasive?, the rate of conveyance desired, the distance needed to convey – both vertical and horizontal. We’re pretty good at getting you in the ballpark of which model will work best using the data we’ve found from our controlled in-house testing. But ultimately, to know exactly how our Line Vac will perform with your material, it needs to be hooked up. When you purchase from us, you have 30 days to do that risk-free.

At EXAIR, we want to ensure you are getting the best possible solution. Our 30-day unconditional guarantee is one way that we make that a reality. If you would like to discuss how our products can help with your application, give us a call!

Al Wooffitt
Application Engineer

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Daniel Bernoulli and His Effect on EXAIR Products

Published on by Al WooffittLeave a comment

Daniel Bernoulli was born on February 8, 1700, in Groningen in the Netherlands. He is the son of Mathematician Johann Bernoulli, who was an early developer of Calculus. Daniel took an interest in mathematics when he was just 7 years old. Although his father tried to dissuade him from focusing on mathematics due to the limited financial gain, Johann did tutor his son in calculus and theories of kinetic energy.

Daniel continued to show promise, attending Basel University at the age of 13, where he studied logic and philosophy. By the time he was 15 years old, he had completed his bachelor’s degree, and earned his master’s degree a year later. At the age of 23, he moved to Venice, Italy to learn medicine, but he couldn’t get away from mathematics, becoming a professor of a university in Venice a year later.

In 1738, Bernoulli published the book Hydrodynamica, where he first explained what we know as Bernoulli’s Principle. This is of particular interest to us at EXAIR, as many of our products operate off of this principle. It states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure. This is derived from the conservation of energy, where an increase in kinetic energy (speed) requires a corresponding reduction in potential energy (pressure).

When compressed air exits the precise slotted nozzle of our Super Air Knife, this induces a low pressure area, which speeds up and draws in ambient air. This air entrainment (at a ratio of 40:1) is what makes our Super Air Knives so efficient. This same effect can be witnessed with our Super Air Amplifiers, Super Air Nozzles, Super Air Wipes, as well as many other products.

The high speed of the air exiting the (left to right) the Air Wipe, Super Air Knife, Super Air Nozzle, and Air Amplifier creates a low pressure (just like Daniel Bernoulli said) that causes entrainment of an enormous amount of air from the surrounding environment.  This maximizes flow while minimizing consumption of your compressed air.

If you would like to discuss your application, and how the Bernoulli Principle may be beneficial, feel free to give us a call!

Al Wooffitt
Application Engineer

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EXAIR Starter Guide Video Series: Tips and Tricks For Installation of Your Super Air Knife

Published on by Tyler DanielLeave a comment

Here at EXAIR, we want to ensure our customers get the most out of their Intelligent Compressed Air Products. In the first installment of EXAIR’s new Starter Guide Video Series, I’ll walk you through some of the things you’ll need to pay close attention to before you begin using your Super Air Knife.

EXAIR offers all of our cataloged stock products with an Unconditional 30-Day Guarantee to ensure you’re going to be happy with the performance. Our Application Engineers are standing by to help aid you in the selection process.

Reach out to us today to see how you can improve on your blowoff processes!!

Tyler Daniel, CCASS

E-mail: TylerDaniel@EXAIR.com

Twitter: @EXAIR_TD

ROI Calculation

Published on by Al WooffittLeave a comment

What’s in it for me? We’ve probably all asked this question at some point or another, especially when trying to justify a big change or expenditure. Is it going to be worth it? What benefit am I going to get out of it?
Here at EXAIR we are confident that there is a lot to gain from using our products. Two of the biggest benefits of our Intelligent Compressed Air Products are a reduction in noise, and a reduction in Compressed Air usage. The latter will often lead to big money savings. Many times the savings our products offer will pay for the product itself! This is where ROI calculations come in. What is my Return on Investment going to be?

So, how do you calculate your ROI? The easy answer is that you don’t have to! You can use our Air Savings Calculator to calculate your savings for you. If you know your current air consumption (in SCFM), the new air consumption (SCFM) and the cost of the product, our calculator will turn that into monetary savings, as well as the calculated payback time in days.

Another option, if you would rather not do the calculations yourself, is that you can send the item in question to our Efficiency Lab. The Efficiency Lab Testing is a free service that we offer to show you the possible savings by switching to one of our products. We will calculate the savings for you and send you the results of our findings.
The final option – my favorite by the way – is that we can do the math right here:

For a simple example of a blowoff application, I’m going to show the ROI of replacing a drilled copper pipe with an EXAIR Super Air Knife. The calculations will be as follows:

Copper Pipe (1/4”): 3x 3/32” diameter drilled holes uses 9.4scfm per hole (28.2scfm total) at 80psig.

3” Super Air Knife: uses 8.7scfm at 80psig

Calculation:

For the yearly consumption, we need to find how many minutes in a year the blowoff will be operated:

For the Copper Pipe, the yearly consumption would be:

For the 3” Super Air Knife, the yearly consumption would be:

The difference between these two:

At this point, if you know your facilities cost to generate 1,000scf, you can use that to calculate how much you would save. For this example, we will use $0.25 to generate 1,000scf, which is used by the U.S. Department of Energy to estimate costs. This gives the following yearly savings:

With an investment of $273.00 (at the time of publishing), you can calculate the time it would take to pay off the unit:

From these numbers you can see that after only 117 days the 3” Super Air Knife will have paid for itself. After that, it is all money being put towards your bottom line.

If you have any questions or want more information on EXAIR’s Air Knifes or how our products could save you money, then give us a call. We have a team of application engineers ready to answer your questions and recommend a solution for your applications.

Al Wooffitt
Application Engineer

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Twitter: @EXAIR_AW