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June 19, 2019

Options of Dry Machining

The positive features of metalworking fluids have long been established and include friction reduction, cooling, corrosion protection, welding protection from the tool to the workpiece and the washing away of metal chips. However reducing cutting fluid use offers
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
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
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
June 1, 2018

NEMA AND IP CLASSIFICATIONS EQUIVALENCY – A Chart to Guide You.

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
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
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
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;
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
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
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
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
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
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
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
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
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
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
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.
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 9, 2018

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

January 7, 2018

Keeping Camera Lens Clean with Air Knives

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
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
December 17, 2017

DRY MACHINING AND THE USE OF VORTEX COOLING

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
December 4, 2017

BE AWARE OF INDUSTRIES THAT MAY GROW OR DIE IN A MILLENNIAL WORLD

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 –
November 18, 2017

Things To Consider No. 4 – Cooling Industrial Cameras

November 16, 2017

HOW COMPRESSED AIR OPERATED DRUM PUMPS WORK

November 14, 2017

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

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
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
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
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
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
October 13, 2017

SIMPLE CHECK THE LINE COMPRESSED AIR AUDITS

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
October 10, 2017

HOPPER LOADING WITH COMPRESSED AIR OPERATED VENTURI’S

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
October 5, 2017

CALCULATING THE STORED COMPRESSED AIR IN A RECEIVER TANK

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
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
September 28, 2017

WHEN USING COMPRESSED AIR …

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
September 19, 2017

THREE WAYS TO REDUCE COMPRESSED AIR NOISE

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
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
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
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

RECOGNIZING PRESSURE DROP IN COMPRESSED AIR LINES

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
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
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
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
August 30, 2017

DESIGN FOR RELIABILITY IN INDUSTRY WITH MILLENIALS

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.
August 27, 2017

NEX FLOW AIR PRODUCTS CORP. DISTRIBUTOR EVENT HELD IN PATTAYA, THAILAND, FEBRUARY 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.
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

IT IS SO HOT IN HERE!!!!!!!! HOW DO WE COOL DOWN!!

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
August 16, 2017

COOLING INDUSTRIAL CAMERAS

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
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
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
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
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
July 21, 2017

USING A RELIABLE VORTEX AIR CONDITIONER AS A BACKUP UNIT

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
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
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
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
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
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
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
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
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
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
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
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
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
June 10, 2017

A RULE FOR LEADING

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
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
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
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
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
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
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,
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

“ASK LES” No. 18 – USING COMPRESSED AIR OPERATED AIR KNIVES AS A BARRIER

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
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
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
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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