February 8, 2019

What are the Compressed Air Standards in the Food Industry?

Compressed air is a very important tool for food processing and packaging. Food production includes processes like canning, freezing, and dehydration. In this industry – compressed air is used for blow-off applications, cleaning, sorting, cutting, shaping, and conveying food products. It is also used to help form, fill, and
January 30, 2019

Alternatives to Flood Coolant. Mist Cooling System or Dry Machining?

Should I use a Mist Cooling System or go the route of Dry Machining to replace Flood Coolant? Machine operations still commonly use flood coolant but are working on ways to replace with alternate systems.   One such system called Minimum Quantity Lubrication (MQL) attempts to reduce flood cooling.  MQL
January 22, 2019

Can a Ring Blade (Air Wipe) be used hand held?

An air wipe is a blow off product used to dry, cool, and clean an extruded product or any other piece that is fed through the unit.  The Nex Flow™ Ring Blade™ air wipe is compressed air operated and designed such that the compressed air exits the unit over a series
January 14, 2019

10 Ways to Immediately Save Compressed Air and Energy | Nex Flow

Compressed air can be costly – so it is important to keep waste at a minimum while taking advantage of the benefits compressed air offers. A good practice is to measure and monitor your compressed air system, flow rates, operating air pressure and energy consumption. Small adjustments where applicable
January 7, 2019

Air Amplifier vs. Air Jet vs. Air knife – How do I know which one to use

What are Air Amplifiers, Jets, and Knives? Air Amplifier There are two types of Air Amplifiers – Air Pressure Amplifiers and Air Volume Amplifiers.   This article talks about volume amplifiers, which harness the energy from a small parcel of compressed air to produce high velocity and volume, low pressure
December 19, 2018

How do different types of drum pump work?

What is a Drum Pump? A drum pump is a pump used to pump liquid from or into a drum (container).  These liquids can be water or other types of liquid. Water weights about 8.3 pounds a US gallon but other liquids can weigh much more based on its
December 13, 2018

Active VS Passive Static Eliminator

What causes static charges and why control it? Plastics, glass and other insulating materials generate a static charge when rubbed, cut, and stretched.  Hot or warm plastics will generate a static charge as they cool. In many production processes this can cause any of the following problems: Static charge
December 3, 2018

What are the Compressed air Standards in the Pharmaceutical Industry?

Have you ever considered the manufacturing standards required for sterile products such as medication or medical appliances? Food and pharmaceutical manufacturing facilities require higher quality of air because the products are ingested or placed in humans and animals.  The final product must be free of particles, microorganisms, water, and
November 21, 2018

How Vortex Tubes use compressed air to generate cold and hot air simultaneously?

What is a Vortex Tube? A durable, stainless steel “Vortex tube” is used to convert compressed air into cold temperatures, as low as -50 oF (- 46 oC) to spot cool as well as to air condition an enclosure. Vortex Tubes are used when other cooling tools are not
November 6, 2018

What does dBA mean when someone talks about noise levels?

“What does dBA mean when someone talks about noise levels?” Compressed air exhaust produces noise whether from cylinders, solenoid valves, or from blow off nozzles.  Air conditioning and cooling technology has become more advanced as individual, industrial, and manufacturing demands have increased at the same rate. The efficiency of
November 2, 2018

How is compressed air used in the food and packaging industry?

COMPRESSED AIR USED IN THE FOOD INDUSTRY The food industry is huge worldwide.  In the USA alone, there are approximately 1,300 facilities employing about 112,000 people mainly for canning, freezing, and dehydrating fruits and vegetables. This segment represents approximately 7.5% of the dollar value of shipments of the entire
October 29, 2018

Air Volume Amplifiers: How it works, Common Applications and Troubleshooting

Air Flow Amplifiers: How it works, Common Applications and Troubleshooting How do Air amplifiers work? There are two types of Air Amplifiers – Air Pressure Amplifiers and Air Volume Amplifiers.   This article will describe volume amplifiers. Air Amplifiers harnesses the energy from a small parcel of compressed air to
October 17, 2018

Venturi System VS Vacuum Pumps

How does the Venturi System Work? A Venturi System reduces pressure when a fluid flows through a constricted section (or choke) of a pipe. In 1797, Giovanni Battista Venturi performed experiments on flow in a cone-shaped tube and built the first flowmeter for closed pipes called the “Venturi tube”.
October 16, 2018

Factors to Consider when Selecting an Air Nozzle

What is an Air Nozzle? An air nozzle is a device used control the direction or characteristics of air flow by converting pressure into flow. Air Nozzles are the smallest air amplifiers for point application. Nozzles are frequently used to control the rate of flow, speed, direction, mass, shape,
October 1, 2018

What are the Advantages of Air Operated Conveyor Systems?

What is an Air Operated Conveyor? Air operated conveyors are clean, quick, and efficient machines that are designed to transport or vent a wide variety of lightweight products, raw materials, or fumes from one place to another. They are a family of devices that use air to move products
September 24, 2018

Factors to consider when choosing Air knife VS Flat Jet Nozzle

An air knife is used to blow off a curved or flat surface of unwanted liquid (such as water), grime, airborne debris, dirt, or dust from surfaces or objects using a high-intensity, uniform sheet of amplified airflow. While a flat jet nozzle (flat nozzle, flat jet) is a compressed
July 13, 2018

ASK LES – Adding Attachments to Air Flow Amplifiers

A compressed air flow amplifier is also called an air mover because it can move a significant amount of air. However, when you add an attachment at either the suction inlet or exhaust (amplified airflow) outlet you will incur a back pressure which reduces the amount of amplified or
July 6, 2018

ASK LES – How Piping Can Effect Air Nozzle Performance

Compressed air is a tricky technology to deal with because it is a compressible fluid and subject to all sort of things. Yet 70% of all compressed air is still sued for blow off and cooling because it is so versatile. But it can be used more efficiently. One
July 2, 2018

ASK LES – Using Compressed Operated Air Knives as a Barrier

Compressed air operated air knives can be utilized as a barrier in some applications to prevent contaminants from one area getting into another area. This is possible because of the laminar flow produced by the air knives. The small amount of compressed air exists the air knife gap and
June 25, 2018

ASK LES – When Do Vortex Tube Operated Panel Coolers Make Sense

The biggest criticism against vortex tube operated air conditioners for control panels is their use of compressed air, but in certain situations it just makes sense to use them depending on the importance of reliability and the nature of the factory environment. Nex Flow Air Products Corp. manufacturers compressed
June 22, 2018

Saving Money When Using More Compressed Air

As counter-intuitive as this may be, it can be true. For example, if you use a horse drawn carriage to take you from Chicago to New York you will save a tremendous amount of energy – virtually no gasoline, and most likely a big contribution to the cleaner air. However,
June 13, 2018

Are the Materials of a Vortex Cooler Important? They Sure Are!

Vortex Tube operated cabinet enclosure coolers such as the Nex Flow Frigix-X Panel Coolers operate utilizing compressed air wherein one end gets hot, and the other end gets cold. They find applications in particularly dirty environments as well as hot and wet factory climates. Because of the rough environments
June 10, 2018

Things To Consider – Cooling Control Panels

When choosing the means to cool control panels or any electrical and electronic enclosure, you need to consider the control panel rating and factory environment before selecting the best method. Nex Flow Air Products Corp. manufacturers and markets specialized compressed air technology for cleaning, drying, blow off, moving and
June 8, 2018

Does a Vortex Tube Work with Liquids?

This question comes up occasionally and surprisingly the answer is yes, but not like how you may think. One explanation put forward is that this happens because normally a liquid used has a vapor pressure. You reduce the hydrostatic pressure below this vapor pressure in the center of the
June 4, 2018

ASK LES – Why Not Enough Compressed Air Flow?

Compressed air flow can be restricted because of improper pipe sizing, unnecessary restrictions in the line, air leaks and lack if cleanliness in the system. Nex Flow Air Products Corp. specializes in the use of compressed air technology for cleaning, drying, blow off, cooling and moving with the goal
June 1, 2018


l and electronic enclosures while Europe and many other countries utilize IP classifications. This often causes some confusion. We found a great chart from Siemon that do IT infrastructure solutions what has a very concise equivalency chart from this link: https://www.siemon.com/us/standards/nema_comparison.asp This reference chart will be useful when choosing
May 24, 2018

Determining the Cost of Compressed Air

When companies are trying to estimate the cost saved using compressed air saving technology such as air saving nozzles, compressed air amplifiers, etc. it is important to know your real compressed air cost. A typical figure used is 30 cents per 1000 cubic feet of air but it can be
May 19, 2018

Easy Engineering No 18 – How to Make Compressed Air Blow off less Costly Than a Blower

In some situations compressed air blow off can be less costly than using a blower such as when the pressure required is low and intermittent. Nex Flow manufacturers quality, and economical, specialized compressed air solutions for blow, off, cooling, drying, and moving with representatives worldwide. Video url : https://youtu.be/Sd9EebYtSyw
May 8, 2018

ASK LES – Static Bars with Compressed Air Operated Air Knives and Distance Effect

When utilizing a static bar with a compressed air operated air knife, the further you are away increases the time needed for static charge removal so you may need a stronger static bar if dwell time is inadequate (high speeds) or the static charge is very high. Nex Flow
May 2, 2018

Using Compressed Air Operated Conveyors for Conveying

In utilizing compressed air operated venturi systems such as Nex Flow’s™ Ring-Vac™Air Operated Conveyors, you size the unit based on the size of the parts being conveyed. The general rule is to have the inside diameter of the unit to be double the maximum size or dimension of the
April 30, 2018

Things to Consider – Look at Everything When Designing a Compressed Air System

Often the end use of the compressed air is not considered adequately in the design of a compressed air system but it can effect the other choices that need to be made in the design. Nex Flow Air Products Corp. manufacturers specialized compressed air technology for blowoff, cleaning, drying,
April 29, 2018

Opportunities for saving energy in a compressed air system

Possible areas to address in a compressed air system to save energy are listed below. Some, or all may apply to your system: Piping Design, redesign: Increase the diameter of the piping; reduce the length of the network; loop the network; limit elbows and bends. Check for and repair
April 25, 2018

What Is An Engineered Air Nozzle – Really!!

It is popular now to use the term “engineered” air nozzle for compressed air nozzles used for blow off applications. But what really is an engineered nozzle? The original compressed air operated engineered nozzle is basically a cone shape that draws in surrounding air utilizing the “Coanda” effect and
April 22, 2018

EASY ENGINEERING No. 17 – Modifying Compressed Air Blowoff for Special Applications

Compressed air amplification technology can often be modified for special applications. They can be designed to clean or dry in specific ways suitable for the particular application. Nex Flow Air Products Corp. manufacturers specialized compressed air technology for blow off, cleaning, drying, moving and cooling. Special designs can be
April 12, 2018

Things to Consider – Choosing a Compressed Air leak Detector

Factors to consider in choosing a hand held compressed air leak detector for factory maintenance. Nex Flow Air Products Corp. manufacturers specialized compressed air technology for blowoff, cleaning, drying, cooling and moving and also offers quality and unique products for improving, and maintaining your compressed air system. Video url
April 8, 2018

The Perfect Muffin “Yummy!” Sugar Blow-Off Using Compressed Air Operated Air Knives

Using compressed air operated air knives is common for many blow off and cooling applications for a variety of reasons. But one of the nice things about a compressed air operated air knife is its versatility and that it can be controlled easily even to relatively low pressures. In
April 4, 2018

ASK LES – Cleaning of Air Amplifiers and Air Knives

Compressed air amplification products have small air exit “gaps” and if not properly filtered can get dirty and block air flow. But there is an easy way to clean. Nex Flow Air Products Corp. has representatives worldwide to assist you in compressed air blow off, cooling, drying, cleaning and conveying.
March 30, 2018

How much Compressed Air is really coming from an Open Pipe or Tube or Hose?

Compressed air is used extensively for blow-off, cooling, and drying applications as blowers are not always powerful enough or have other disadvantages in the specific application. Since compressed air is a costly power source factories should reduce the compressed air cost by utilizing high efficiency engineered nozzles, air amplifiers and
March 26, 2018

Cooling Industrial Cameras with Vortex Tubes

Industrial cameras that are in very hot environments can be cooled by several means pure compressed air water peltier coolers vortex tubes Pure compressed air can add up to a large running cost due to the cost of compressed air, especially sine the air is going to a hot
March 23, 2018

Disruptive Industrial Technologies No. 1 – Filtering of Oil

There are a few systems on the market that utilize magnetism in the filtration of oil to remove particles generated by the wear and tear of equipment. Most of these systems are however quite costly, and often require cutting into existing lubrication systems making it even more costly or
March 19, 2018

Galvanic corrosion and materials used in air knives, amplifiers and vortex tube technology

Galvanic corrosion occurs when two dissimilar metals come into contact. It is also necessary for there to be moisture, but it is rare to find an environment without moisture. I still remember visiting a factory and seeing a competitor’s Cabinet Enclosure Cooler (using vortex tube technology) with a big
March 18, 2018

ASK LES – Why is the Compressed Air Pressure Too Low?

There are causes and solutions to situations where the compressed air pressure is too low for some factory applications as discussed in this video. Nex Flow Air Products Corp. manufacturers specialized compressed air products fro blow off, cooling, drying and moving and provides accessories such as special filtration technology
March 15, 2018

Three steps for noise control in compressed air blow off and exhaust

Noise from compressed air can be very loud and damaging so reducing the noise level is important. Three steps should be taken where ever compressed air is exhausted whether from cylinders or when used for blow off and cooling applications. Mufflers and Engineered Nozzles: Compressed air used for exhaust,
March 13, 2018

Things to Consider – Considerations in Using a Vortex Tube to Cool

Vortex Tubes are ideal for spot cooling due to their compact size and ease of use. But certain considerations must be kept in mind to use them effectively. Nex Flow Air Products Corp. manufacturers vortex tubes and packaged versions for tool cooling, control panel enclosure cooling and can make
March 10, 2018

Air Compressor Market to exceed $40bn by 2024: Global Market Insights, Inc.

According to Global Market Insights, Inc the world air compressor market is set to exceed 40 billion USD by 2024. Strong industrial development in the Asia Pacific region especially will experience strong growth in air compressor demand. The desire for greater energy efficiency is fueling demand for improved performance
March 7, 2018

Hydraulics and pneumatics – which to use!!!

The two types of fluid power are similar in that both use a fluid to transmit mechanical energy and they also use similar terminology, symbols and components. Hydraulic systems need a pump. Pneumatic systems require a compressor although compressed air is first stored in receivers/tanks before being transmitted for
March 4, 2018

Things to Consider – The Important Considerations for Blow Off with Compressed Air

Certain factors are important when considering compressed air for blow off and cooling applications. Nex Flow Air Products Corp. specializes in compressed for blow off, cooling, and moving applications. Video url : https://youtu.be/KHGDli8Mp-4
March 1, 2018

A Reason to Use Spray Nozzles and Air Nozzles from Different Manufacturers

This of course is my educated opinion only but I think it is reasonable. When you buy a new home from a builder, would you buy the furniture from the same builder? In fact people do in some cases get furniture with a new home but the home builder
February 25, 2018

Using Compressed Air Amplifiers for Venting and Moving Air, Fumes, Mist, Smoke, Etc.

Compressed Air Amplifiers are also called “Air Movers” for a reason – they can be used for moving a large volume of air. For examples, a properly designed 2″ Air Amplifier will amplify approximately 15 times the input air supply. That means it “moves” from the suction side 15-1
February 23, 2018

ASK LES – What is Compressed Air Amplification

Compressed air amplification is a term that is sometimes abused and not properly explained, It is explained in this video. Nex Flow Air Products Corp. manufactures compressed air nozzles, jets, air knives and air wipes utilizing air amplification technology. Video url : https://youtu.be/jAQc26vKlNA
February 19, 2018

Myths about compressed air

There are many myths about compressed air that permeate the industry. Here are some of them: Compressed Air is Expensive and Inefficient. This seems to be the current myth, In the past the prevailing myth was that it’s free. Neither is correct. If used properly in a correctly designed
February 16, 2018

ASK LES – Vortex Tubes and Effect of the Dew Point

Vortex Tubes are used for spot cooling. They utilize compressed air. When using vortex tubes you need to be aware of the effect of the dew point of the compressed air. Nex Flow Air Products manufacturers air blow off, air moving and spot cooling products and other specialized technology
February 14, 2018

Compressed Air Problems in Refinishing

The quality of a paint job in refinishing work is affected by the quality of the compressed air that is used. If there is an inadequate quantity of compressed it can negatively affect texture (cause orange peeling or spotting ) and even poor color matching and streaks. All this
February 11, 2018

Things to Consider – Static Elimination with Compressed Air Blowoff

Some factors to consider in the use of compressed air blow off with static elimination is the strength of the charge on the part to be addressed, if you need air blow off and exposure time to the static removal system. Nex Flow Air Products Corp has extensive experience
February 8, 2018

Definition of the Coanda Effect.

Definition of Coanda effect is: the tendency of a jet of fluid emerging from an orifice to follow an adjacent flat or curved surface and to entrain fluid from the surroundings so that a region of lower pressure develops. The Coanda Effect was discovered in1930 by the Romanian aerodynamicist Henri-Marie
February 4, 2018

ASK LES – What to do if the Compressed Air Blow off Force is Too Low

If your blow off nozzle, air knife, jet or amplifier force is too low, it could be from several factors what need to be checked. Nex Flow Air Products Corp. manufacturers compressed air blow off products and can assist you with blow off applications and issues. Video url :
January 27, 2018

WHAT DOES CFM (cubic feet per minute) Really Mean in Compressed Air Technology

Compressed air operated air knives are ideal for replacing rows of nozzles or drilled pipe used in blow off applications. What to look for and installation tips are explained here. Nex Flow Air Products are specialists in compressed air applications for blow off, cooling and moving.  
January 24, 2018

Things to Consider – Options to Consider in Cooling Parts

When production parts need to be cooled, various options are available. Nex Flow manufacturers compressed air operated products for cooling, moving, drying and cleaning. Video url : https://youtu.be/fiGI1zwnOKA
January 20, 2018

Can water damage my compressed air system and products?

January 18, 2018

Using Compressed Air Amplifiers for Cooling in Industrial Applications

January 17, 2018

Easy Engineering No. 15 – The Importance of Laminar Flow in Compressed Air Blowoff

January 14, 2018

Why an Air Knife is often Better than a Flat Nozzle

January 9, 2018

EASY ENGINEERING No. 14 – All About Compressed Air Operated Air Knives

January 7, 2018

Keeping Camera Lens Clean with Air Knives

January 5, 2018

ASK LES – Can you Combine Air Amplification and Vortex Tube Technology?

Compressed air amplification draws in atmospheric air and mixes it with compressed air to amplify air flow. Vortex Tubes create freezing air from compressed air. But can you combine the cold air with the amplified air efficiently and effectively? This video explains. Nex Flow Air Products Corp. are specialists
December 29, 2017

A New Alternative for Compressed Air Filtration Tested to ISO12500

The new ISO 12500 standard, covers the testing of compressed air filters and to provide a proven and tested basis to evaluate performance. This is a great improvement over the past where one could simply make claims about what a compressed air filter really can do while not having a
December 28, 2017

Easy Engineering No. 13 – Why Use Safety Compressed Air Nozzles, Jets and Air Knives?

  Using Safety Compressed Air Nozzles, Jets and Air Knives has advantages as outlined in this video. Nex Flow Air Products Corp. and their representatives worldwide can provide assistance in blow off, cooling, moving and drying efficiently and safely with compressed air.
December 23, 2017

Compressed Air Considerations for Blow off and Cooling Applications

  Despite the push by blower providers to convert compressed air blow off to blower operated systems, the fact is 70% of compressed air is still, on the average, used for blow off applications. Despite higher energy costs, the only thing blower companies even consider, compressed air blow off remains
December 21, 2017

Things to Consider – Part Ejection from a Conveyor using Compressed Air

  Things to consider in ejecting or pushing parts off a conveyor in a production or packaging process when using compressed air blow off. Contact Nex Flow Air Products Corp. for applications in blow off, cooling, moving and conveying.
December 17, 2017


December 13, 2017

“Ask Les” No. 29 – What To Check if your Vortex Tube Does Not Work

A vortex tube is a relatively simple device. So if it does not work, a few things need to be checked. Nex Flow Air Products Corp. can assist on the use of vortex tube technology worldwide through its network of representatives.
December 11, 2017

Easy Engineering – Drying bottles and cans on a conveying systems

In drying bottles and cans on a conveying system you want to do it with the least space as possible and quickly and get it as dry as possible. Contact Nex Flow Air Products Corp. for blow off, drying and cooling applications utilizing compressed air efficiently. Video url :
December 8, 2017

Compressed Air Operated Drum Pumps

There are a good number of manufacturers making compressed air operated drum pumps, some to only fill a drum and some “reversible” to both fill and empty a drum. The reversible units tend to be most popular due to that increased flexibility in use. Compressed air operated drum pumps
December 4, 2017


Sales people and marketing people need to be aware of the dramatic effect a change of generation can have on the marketplace and therefore their product or service. Here is the classification of generations….. Baby Boomer Generation – Born between 1946 and 1964 Generation X (Baby Bust) – Born
December 1, 2017

ASK LES – Drying Complex Parts

Drying complex parts may require a combination of nozzles, jets and air knives. For assistance in drying of complex parts contact myself or any Nex Flow representative around the world. Video url : https://youtu.be/td_w8G_P2Fg
November 28, 2017

Being Proactive In Compressed Air Leak Prevention

There is a great deal of information written about leak management programs, but what about a more proactive approach? Leaks in compressed air systems are expensive, detrimental to equipment, and time consuming to locate and repair. In Improving Compressed Air System Performance: A Sourcebook for Industry, the U.S. Department of
November 24, 2017

ASK LES – A Simple Way to Collect and Convey Dust a Long Distance

This video provides a cost effective solution to collect and convey dust a long distance without the use of electricity. Portable and simple. For advice or suggestions on similar applications or for any applications of compressed air used for blow off, cooling or moving,please contact me. Video url :
November 21, 2017

Using Compressed Air Amplifiers For Special Effects

November 18, 2017

Things To Consider No. 4 – Cooling Industrial Cameras

November 16, 2017


November 14, 2017

EASY ENGINEERING No. 11 – Getting a Completely Dry Surface on a Part

November 10, 2017

Easy Engineering – What to look for in a Flat Nozzle

Some factors to consider in the use of compressed air blow off with static elimination is the strength of the charge on the part to be addressed, if you need air blow off and exposure time to the static removal system. Nex Flow Air Products Corp has extensive experience
November 8, 2017

EASY ENGINEERING No. 9 – When to Use a Vortex Tube Operated Cabinet or Panel Cooler System

This video outlines the conditions where vortex tube cooling units are best used for air conditioning electrical and electronic enclosures. If you have questions concerning compressed air especially in its use for blow off, cooling, or moving please ask and/or visit www.nexflow.com
November 5, 2017

EASY ENGINEERING No. 8 – Implications of Being Able to Store Compressed Air

When compressed air is produced it is first stored and then utilized from storage as it is needed. This has implications on actual energy use and cost.
November 3, 2017

Clearing up the confusion of using compressed air with static eliminators for cleaning charged parts.

Plastic and other insulators can build up a static charge and attract dirt from their surroundings which can be a problem in further processes such as painting, labeling and even packaging. While the most efficient way would be to remove the static charge early, the process may still continually
October 31, 2017

Things to Consider – Installation of a Vortex Cooler

Things to be considered in the installation of a Panel Cooler, a vortex tube operated air conditioner for electrical and electronic enclosures. If you have any questions on the use of compressed air for cooling, blow off, cleaning, drying or moving contact myself or visit us Video url :
October 27, 2017

Simple Way to Clean and Dry Extrusions

Some months ago I posted the above pic with a short comment but with little explanation of how it worked so I will explain it more now. Extruded profiles come in many shapes and configurations but the Ring Blade air wipe made by Nex Flow is able to dry
October 23, 2017

How to Dry Complicated Packages

Packaging of goods has gone beyond simple containers, bottles and cans such as the one depicted in the picture above. This particular packaging of pet food needs to be dried after washing. With limited space and a concern for noise, and high maintenance costs, compressed air operated amplification technology
October 19, 2017

THE HYDRAULIC COMPRESSOR – A little bit of Canadian History on a Unique Air Compressor

In doing some research on developments in compressed air technology I came across a fascinating bit of Canadian history at: http://www.coppercountryexplorer.com/2011/07/the-taylor-compressor/ Imagined and built by Canadian Charles Taylor, this amazing compressor supplied all the power for a mine for 15 years in the form of compressed air to operate
October 13, 2017


Formal compressed air system audits are costly and can be quite involved,. Experts are available to do this with expensive equipment in very large factory operations. But what about smaller facility where the cost and time is hard to justify? In this case a simple “Check the Line” walk
October 10, 2017


An efficient application for compressed air operated venturi’s like Nex Flow’s Ring Vac units ( see www.nexflow.com) is hopper loading. Whether it’s loading resin for a plastic molding process, or a hopper of bottle caps for a bottling machine or capping machine, such units have the following benefits: Energy
October 8, 2017

THINGS TO CONSIDER – The Most Common Issue in Compressed Air Blow-off, Cooling, and Moving Product Installation

If you have any questions concerning the use of compressed air for blow off, cooling, drying, or moving, please feel free to ask!!! Video url : https://youtu.be/H_YcAU-fbO4
October 5, 2017


In any good compressed air system there is a receiver which stores compressed air. One of the advantages of compressed air is that it is an “on demand” source of energy. When it is not needed, it can be immediately turned off. When needed, immediately turned on. Energy is
October 2, 2017

Moisture in Compressed Air Systems and Why it Might be Difficult to Get away from Point of Use Filtration.

A 100 cfm compressor with a refrigeration drier, operating for 4000 hours in a temperate climate, can produce about 2200 USgal of liquid condensate in a year! Failure to remove this moisture can result in condensation in the compressed air piping which leads to corrosion, and damage to pneumatic
September 28, 2017


While it is known that compressed air is costly to use, there are still things that happen on the shop floor that creates a great deal of waste. The key to maximum efficiency in the use of your compressed air supply is in the delivery and end use of
September 25, 2017

THINGS TO CONSIDER – Incorrect Installation

Things work better when installed correctly. Video url : https://youtu.be/oKFXdHZ7kUE
September 19, 2017


Compressed air noise can be responsible for up to 1/3rd of the noise in a factory operation. So controlling noise from compressed air is important. This can be achieved with the following three steps: 1. Use control devices such as PLC’s to integrate sensors along a production line to
September 17, 2017

Using Compressed Air Blow-offs

High velocity compressed air blow-offs are especially useful if parts don’t need to be “super dry” (as completely free of water) or if there is a requirement to remove “excess” water or other liquid from a part prior to final drying using another means such as hot air or
September 14, 2017

Leak Reduction in Compressed Air Systems

The average leakage rate in a compressed air systems can be as high as 30%. Leaks in a compressed air system do not always get the attention they deserve because you are leaking an odorless invisible gas that does not represent a direct hazard. Certainly not like a very
September 12, 2017

EASY ENGINEERING No. 7 – All About Compressed Air Operated Drum Pumps

How they work and things to watch for with compressed air operated drum pumps.
September 11, 2017


Compressed is a friendly and reliable energy source used for many applications but sometimes not enough thought is given to the “pressure drop” when using the air.   Pressure drop is the loss of pressure due to energy loss in transmitting the compressed air.  Often pneumatic machines will run slower
September 8, 2017

Lottery Ticket Quality Control with an Air Knife

Unusual applications for compressed air are always fun. One such unusual application was at a facility printing lottery tickets. Printing lottery tickets is much like printing money as they need to be controlled to a high quality to prevent counterfeiting. This also applies to major event tickets such as
September 5, 2017

EASY ENGINEERING No. 6 – All About Compressed Air Operated Air jets

Compressed Air Operated Air Jets are ideal for applications such as part ejection and can provide advantages over air nozzles in some applications.
September 4, 2017

Which to Use? Air Knife or Flat Jet Nozzle? Steel and other metal sheet production.

In steel sheet production or other metal sheet production, which is better to use for blow-off? – a series of many small compressed air operated flat jet nozzles or, one or more long compressed air operated air knives? In reality both have been used. Flat jet nozzles, being smaller, will
September 2, 2017

Compressed Air Flow Amplifiers and Back Pressure Issues.

Compressed air flow amplifiers (also called air movers) operate using something called the Coanda effect to convert pressure to flow with minimal energy loss. The result is high flow and less noise when used for blow off or cooling applications. However, often air amplifiers are also used for collecting and venting and/or conveying
August 30, 2017


This article is borrowed from a blog by the Marshall Institute at www.marshallinstitute.com Teaching the Millenials a sound reliability strategy early in their career (the Matures, Baby Boomers and Gen Xers too) can be the critical component of a strong manufacturing strategy. Millenials have been categorized as seeing the world as a union
August 27, 2017


Nex Flow Distributor event attendees were (in no particular order) from Canada, USA, Mexico, China, Taiwan, South Korea, Saudi Arabia, United Arab Emirates, India, Spain, Slovenia, Poland, Germany, Finland, Turkey, Philippines, Indonesia, Malaysia, Thailand, Australia and South Africa. It was a lot of work but also a lot of
August 23, 2017

EASY ENGINEERING No. 4 – Compressed Air Operated Air Knives! What are they? Styles? Advantages? Applications?

Compressed Air Operated Air Knives come in two styles and can both save energy and reduce noise levels as well as improve factory safety in both blow off and Compressed Air Cooling applications.
August 20, 2017


A happy person is a productive person but working in an environment where you sweat all day is not fun. Even in the winter time in cold countries it can be very hot and uncomfortable working in factories such as steel mills and paper mills around certain heat generating machines.  One
August 16, 2017


Cameras are used extensively in production for monitoring to insure quality and are often exposed to hot and harsh environments and may require additional cooling. The most common way to cool an industrial camera in very hot environments is to enclose it in a housing and then cool the housing with either compressed air alone,
August 13, 2017

The point of use filter is a major center which maintenance is important in a compressed air line.

An area of major importance is point of use filtration in compressed air lines.   This simply means that a filter (should be) used in font of an air tool, pneumatically operated machine, an air nozzle, a vortex tube, and air knife, etc. is key to maintain efficient operation. Dirt or moisture buildup
August 10, 2017

EASY ENGINEERING 3 – How to use a Vortex Tube in Industry

This video illustrates some of the things to keep in mind when using vortex tubes in industrial applications.
August 7, 2017

Importance of “Point of Use”​ Filtration in Compressed Air Blow-off and Cooling Technology

Compressed Air technology for blow off an cooling involves the use of air flow amplifying products in the form of air nozzles, air movers and air knives used in blow off, venturis for conveying, as well as vortex tube (cooling) technology. Virtually all of these products involve small openings
August 4, 2017

Please Vacuum! Do not Blow! (When cleaning up!)

August 1, 2017

EASY ENGINEERING 2 – Guidelines in using a vortex tube

Easy Engineering two is a continuation of a series of educational videos to explain special compressed air operated items for blow off, cooling and moving on what they are made of, how they work and how to use.
July 28, 2017

Why You Cannot Cool a House with a Vortex Tube

A vortex tube is an interesting device that takes compressed air and divides it into a hot and cold stream. Various theories try to explain why it works but there is no definitive answer. Their primary uses are for “spot” cooling and “enclosure” cooling. Despite their many advantages (compact,
July 25, 2017

EASY ENGINEERING 1 – Parts that make up a vortex tube

Easy Engineering is the first in a series of educational videos to explain special compressed air operated items for blow off, cooling and moving on what they are made of, how they work and how to use. OTHER POSTS WHICH MAY BE OF INTEREST: Air Conditioner in Your Hand
July 21, 2017


A vortex air conditioner like a Nex Flow Panel Cooler is probably the most reliable type of system you can use in air conditioning control panels as it operates only using compressed air. They offer many advantages as explained in ths previous Linked In article: But in some environments
July 17, 2017

Values of a Company are Important

In choosing a company to deal with you should look at the values that drive them.
July 14, 2017

Importance of Filtration of Compressed Air

Filters are an important component in any compressed air system. Clean, dry, and even oil free compressed air and gas is a basic need for many industries. In some applications even a drop of unwanted oil or dirt can cause a malfunction. Oil can cause seals in pneumatic valves
July 12, 2017

Compressed Air Safety

IMPORTANT GUIDELINES IN USING COMPRESSED AIR 1. Hoses and lines should be rated to meet the maximum operating pressure of the equipment – avoid using weak plastic tubing in open factory environment as they can split and cause leaks and possibly injury. Use properly rated hose or piping. 2.
July 9, 2017

Why Anodized Aluminum is Important in an Industrial Environment

Anodizing is an environmentally safe electrochemical process that converts the aluminum metal surface into a porous aluminum oxide, ultimately creating an end product whose finish is more durable and weather-resistant. Aluminum anodizing enhances the characteristics of aluminum in several ways: Durability: anodized aluminum is more resistant to wear from
July 5, 2017

The Nightmare of Air Conditioning Control Panels in Harsh Environments.

Imagine a factory environment – maybe a fertilizer plant or a chemical production facility with electrical and electronic cabinets that need to be kept clean. Not only does the maintenance cost of maintaining the air conditioning systems become quite high, but they become very critical to protect the sensitive
July 3, 2017

A Nice Setup to Dry Different Diameters of Pipe

One of our customers made a very nice setup to be able to dry extruded pipe using Ring Blade Air Wipes manufactured by Nex Flow Air Products Corp. Very easy to switch out one Air Wipe diameter with another size as the picture shows to clean and dry different
July 2, 2017

Cooling Variable Frequency Drives especially in Dirty Factory Environments

Variable Frequency Drives describe equipment used to control the speed of machinery. Many industrial processes such as assembly lines must operate at different speeds for different products. Where process conditions demand adjustment of flow from a pump or fan, varying the speed of the drive may save energy compared
June 29, 2017

Cooling Castings and Forgings Quickly

In some industrial casting and forging situations the items made need to be cooled quickly for handling purposes or for an on-going process such as marking or assembly, otherwise the processes cannot be completed properly or handling would not be safe or possible. Cooling can be done with fans
June 27, 2017

Does a Millennial look at Overall Efficiency Better Than a Boomer in an Industrial Setting?

There is a big shift in thinking and therefore the way things are being done in industrial operations with the entry of more and more millennials coming into the workforce. What this means to promotion and reaching out and getting accepted by millennials is dramatic. For example is this
June 25, 2017

Impact of Kigali Agreement in Montreal Protocol in Industrial Cooling Applications

Late October, 2016 there was a landmark agreement among 170 countries to set firm dates for the curbing the use of HCFC’s in air conditioning systems with penalties for non-compliance. Developed countries must reduce their use of HFCs by 10 percent by 2019 from 2011-2013 levels, and then by
June 21, 2017

How to have Control Panel Air Conditioning meet the Requirements of the Kigali Agreement.

On Oct 15, 2016 countries around the world signed on to the Kigali Agreement, an amendment to the Montreal Protocol, which hopes to reduce the use of hydrofluorocarbons (HFCs) significantly. The deal promises the largest temperature reduction ever in history, by limiting the use of greenhouse gases. The Kigali
June 17, 2017

DRYING!!!!!!! How Much Energy do you “Really” Use in Compressed Air Blow off and is it Worthwhile to Change It to a Blower?

Compressed air is viewed as a costly method for blow off and cooling applications and some look to electric motor driven blowers as a replacement. This is a reasonable with a focus for energy saving being a major factor. However, the cost of changing to a blower system is
June 14, 2017

Static Removal and Cleaning Charged Objects

In cleaning statically charged products there are claims by some companies that static can be removed as far as 20 feet away. What they do NOT say is how fast. This can lead to disastrous applications in manufacturing applications. The fact is, the further you are away the longer
June 10, 2017


Growth of a person and a business or industry occurs not from doing what everyone else does, it happens with innovation. The above quote is from Deepak Chopra.
June 8, 2017

Which to Use? Blowers or Compressed Air? Answer is not always straight forward.

Both low pressure blowers and high pressure compressed air is used for blow-off and cooling applications. Much has been made of the higher energy cost in using compressed air over the last 15 to 20 years which all started when the cost of compressed air “leaks” came to light,
June 5, 2017

Vortex Tube Operated Air Conditioning Applications

Several companies manufacturer vortex tube operated air conditioners primarily for electrical and electronic enclosures. Some promote them as the solution to all applications when in fact that is not the case. There are many types of devices on the market for air conditioning control panels and all have their
June 3, 2017

How Coanda Compressed Air Flow Amplifiers Work and their Efficiency

A compressed air flow amplifier works by entraining air along with compressed air. This is accomplished using an aerodynamic effect called the coanda effect. In this case the fluid (air) follows specific profile angles – like an airplane wing. Just as the coanda angles on an airplane wing cause
June 1, 2017

The Quiet and People Free Factories of the Future

With the advent of new technologies manufacturing will be transitioning in ways that not even science fiction could foresee. Some trends to note…. 1. New technique such as 3D printing will eliminate the need for many products now produced in factories or transform the way they are produced to
May 30, 2017

Why Vortex Tube Panel Coolers are getting used more for Cooling Electrical Panels

Vortex tubes create freezing air from compressed air and are used as air conditioners for cooing control panels – even cameras in hot environments. Main complaint against using vortex tube cooling units for air conditioning is the cost of compressed air but in fact, standard air conditioners keep rising
May 27, 2017

Save Your Hearing!! Reduce Factory Noise!!

Of the roughly 40 million Americans suffering from hearing loss, 10 million can be attributed to noise-induced hearing loss. With extended exposure, decibel levels of 85 or more can lead to hearing loss. Exposure to impulse or continuous loud noise may cause a temporary hearing loss that disappears 16
May 24, 2017

ASK LES – Careful when changing Air Nozzles

When changing compressed air operated air nozzles from one brand or style to another, note the effect of different air consumption as well as force. For questions concerning the use of compressed air for blow off, cooling, moving or drying Ask Les or visit the Nex Flow Air Products
May 20, 2017

“ASK LES” No. 25 – How to Clean an Air Amplifier

When a compressed air flow amplifier gets dirty, there is no need to remove the units from the line. For any questions on the use of compressed air for blowing, drying, cleaning moving or cooling “as Les” www.nexflow.com
May 16, 2017

“ASK LES” No. 24 – Effect of pressure drop in a compressed air system

Recognizing the effect of pressure drop in your compressed air system is important to make sure your equipment is working optimally. Please message me if you require assistance in the use of compressed air for blow off, moving, cooling or drying or on any questions about your compressed air
May 14, 2017

“ASK LES” No. 23 – A Better Way to Cleanup with Compressed Air

Its better to vacuum using compressed air for cleanup for safety reasons. Units are available with attachments for this purpose.
May 13, 2017

“ASK LES” No. 22 – Best Angle for Using a Compressed Air Operated Air Knife

There are two angles to consider in utilizing a compressed air operated air knife – the impingement angle and the sweep angle.
May 10, 2017

“ASK LES” No. 21 – When to Use an Adjustable or Non-adjustable Vortex Tube Cooling System

There are certain factors to consider when using an adjustable or non-adjustable vortex tube cooling system.
May 9, 2017

“ASK LES” No. 20 – What to Look For in Purchasing a Vortex Tube

In purchasing a vortex you need to look at material, construction, adjust ability and noise abatement.
May 5, 2017

“ASK LES” No. 19 – How does a Compressed Air Operated Air Knife Work as Demonstrated at an Industrial Fair

How a compressed air operated air knife works is demonstrated at the Istanbul WIN Trade Fair in March, 2017.
May 4, 2017


Compressed air operated air knives can make an ideal barrier for heat, dirt and mist when used properly.
May 2, 2017

Why an Air Knife is often Better than a Flat Nozzle

April 30, 2017

“ASK LES” No. 17 – Cooling Industrial Cameras

Using vortex tubes is one excellent option for cooling industrial cameras.
April 26, 2017

“ASK LES” NO.16 – Uneven Surface Drying of Extruded Parts with Air Wipes

In the cleaning and drying of odd shaped and uneven surfaced extruded parts, things can be done to improve the result.
April 23, 2017

“Ask Les” No. 15 – Cleaning Statically Charged Surfaces with Air Knives and Amplifiers

Air amplification products such as air knives and amplifiers combined with anti-static devices can save energy and clean better.   Important factors to consider in its application are illustrated.
April 20, 2017

“Ask les” No. 14 – What to look for in a flat air nozzle.

Flat air nozzles are a popular compressed air operated blow off product and comes in different materials and designs.   For the optimum one to use, there are specific things to look for.
April 17, 2017

“Ask Les” No. 13 – What is Amplification Ratio in Compressed Air Operated Air Amplifiers?

In compressed air amplification technology for blow off the term amplification ratio is often used.  What is really means and the implication of the ratio is important to understand for effective performance.
April 16, 2017

“Ask Les” No. 12 – What is the best Compressed Air Product to use for Part Ejection on a Production or Assembly Line

  In any production line or assembly line, rejected items need to be ejected from the conveying system.   Mechanical means can be used as well as compressed air depending on size and weight of the part.  But when using com pressed air, what is the best item to use?  
April 15, 2017

“Ask Les” No. 11 – Stiff but Flexible – useful special hose

To fix nozzles in place a special rigid but flexible hose can be ideal for holding them in place for a particular job and then easily relocating them quickly and easily.   Stainless Steel construction.  Long Life.
April 14, 2017

“Ask Les” No. 10 – How to collect a large volume and move it a large distance/combining amplification and venturi technology

  You can combine air amplifiers with venturis to collect large volumes but also move them a long distance.
April 12, 2017

“Ask Les” No. 9 – Drying Cans on a production line in order to date stamp and also keeping the stamp machine cool.

  Air Amplifiers are ideal for scooping out liquid from cans to dry them in order to mark with ink jet marking.  Vortex Tubes can cool the inkjet unit if the environment is hot and/or humid.
April 11, 2017

“Ask Les” No. 8 – How fast can “air wipes” clean and dry extruded parts.

  Extruded material such as wire, cable, rope, aluminum profiles are cleaned and dried using air wipes.  How fast you an clean and dry depends on the product being extruded, the material being removed from the extrusion and the shape of the extruded part.
April 9, 2017

“Ask Les” No. 7 – Cooling Efficiently with No Chemicals and No Electricity

When using compressed air for cooling you should use some system that either makes the compressed air cooler or makes it more efficient by maximizing mass flow. For this you have two choices: vortex tube technology or air amplification technology. Both have its particular range of application as this
April 7, 2017

“Ask Les” No. 6 – How Much Noise Reduction can you get from Compressed Air Amplifying Products used for Blow-off or Cooling?

April 5, 2017

“Ask Les” No. 5 – Which to Use? Compressed Air or a Blower ? Several factors need to be considered to make the appropriate choice.

April 4, 2017

“Ask Les” No. 4 – What are the Qualities of a Good Compressed Air Operated Air Knife used in Blow Off, Cooling, and Drying.

There are a few different compressed air operated air knives on the market but, what are the important qualities that they should have in order to make the appropriate choice?
April 3, 2017

“Ask Les” No. 3 – Replacing Vacuum Pumps with Low Cost Venturi’s

  Venting gas utilizes vacuum.   Which product is best to use?  All explained in the video.
April 2, 2017

“Ask Les” No. 2 – How Much fumes can be vented away with an air amplifier ?

 How much volume of fumes can be conveyed away with an air amplifier (air mover) with a ten foot hose connection on the outlet end.
April 1, 2017

“Ask Les” No. 1 – Which Air Saving Nozzle is Best ?

What happens when you replace one air saving nozzle with another?  How do you know which is the best one to use?  This video provides some answers.
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