The Soft Grip Super Air Scraper for Cleaning Tanks

A transport company was in the business of moving food product like powdered milk, sugar, salt, gluten, etc. to different Food and Beverage industries.  The tanks ranged from 1,700 to 2,200 cubic feet (47 to 61 cubic meters) in volume.  Because of condensation that can occur, some of the powdered materials would solidify on the sides of the tanks.  They found it occurring more often with the powdered milk.  So, they created a cleaning mechanism to use compressed air and an open pipe to clean the residue after each stop (reference above).  They realized quickly that with this type of cleaning nozzle was not safe and not efficient.  They could only scrape roughly 1” (25mm) at a time.  The noise level was too loud, the compressed air usage was too high, and the time to clean the tank was too long.  They contacted EXAIR to see if we could improve on their process.

Model 1144 Super Scraper Nozzle

The answer to the problem was the EXAIR Super Air Scraper.  This product uses a nozzle that combines a scraping blade with our 2” Flat Super Air Nozzle.  It uses the mechanical force of a blade with the force of compressed air to remove stubborn sticky materials.  The 3” (76mm) wide corrosion-resistant steel scraper is robust and durable, and they can be easily sharpened or replaced when worn.  To add flexibility to the Super Air Scraper, a shim set can be used to increase the blowing force.  This combination of the nozzle and the scraper is an effective and powerful way to remove material with compressed air.

Soft Grip Super Air Scraper

To get pressurized air to this patent-pending nozzle, EXAIR attached the Super Air Scraper to our Soft Grip Air Gun.  The Soft Grip Air Gun has an ergonomic soft handle and a full-grip trigger for hours of use without fatigue.   We include different extensions for hard-to-reach applications ranging from 6” (152mm) to 72” (1,829mm) in length.  With extensions that are 36” (914mm) and longer, EXAIR installs an additional foam grip sleeve.  This gives more leverage for scraping material at a distance like at the floor level.  Chip Shields can also be added to prevent blow-back on the users.

Scrape off, and blow away, stubborn debris with the Model 1244-48 Soft Grip Super Air Scraper.

For the company above, this was the perfect tool to improve their process.  I recommended the model 1244-48 Soft Grip Super Air Scraper which had a great length to reach the tank areas and a foam grip to comfortably force the blade under the powder residue.  With the compressed air, it helped to keep the area clean during scraping and aided with the areas that were really stuck.  With the 1” (25mm) pipe as compared to the 3” (76mm) blade, the cleaning for each tank was cut in half the time.  Also, with the open pipe, they were using roughly 150 SCFM of compressed air.  The model 1244-48 was able to cut this amount down to 22 SCFM at 80 PSIG.  This was a huge cost savings.  And as a bonus, the noise level was lessened from 100 dBA to 77 dBA; a much safer way to protect any hearing damage.

To give some other areas for the Soft Grip Super Air Scraper, they can be used for removing gasket material, tape, caulk, adhesives, paint, labels, and much more.  If you have a sticky situation at your facility, you can contact an Application Engineer at EXAIR.  We will be happy to discuss it with you.

John Ball
Application Engineer
Email: johnball@exair.com
Twitter: @EXAIR_jb

Video Blog: Laminar and Turbulent Flows

I have written blogs about laminar and turbulent flows as related to the Reynold’s number.  Now, let’s demonstrate the difference between the two flows and the advantages of laminar flow from EXAIR’s engineered air nozzles; as demonstrated by our VariBlast Safety Air Gun.

John Ball
Application Engineer
Email: johnball@exair.com
Twitter: @EXAIR_jb

Safety Air Guns For Convenience, Ergonomics, and…Safety!

A few weeks ago, I wrote a blog proving beyond a shadow of a doubt why you should be using EXAIR Safety Air Guns in your facility.  Today’s blog, dear reader, is all about how easy it is to be using EXAIR Safety Air Guns in your facility.  Because I’m all about easy. Here we go:

  • Easy hookup: there’s not much to it – all you need is an air hose to run from your compressor, or header, to the Safety Air Gun itself.  These come in different shapes and sizes, depending on what you’re using, and what you’re using it for:
    • Compressed air hose: EXAIR can provide reinforced synthetic rubber supply hose in 3/8″ or 1/2″ ID’s, up to 50ft long.  We offer them with 1/2 or 1/4 MNPT fittings.  The 3/8″ ID hoses with 1/4 MNPT fittings are perfect for most of our Safety Air Guns.
    • Coiled hose: For convenience and portability, we also have a selection of 12ft long Coiled Hoses, with 1/8, 1/4, or 3/8 MNPT swivel connections.
EXAIR offers a variety of supply hoses for your Safety Air Guns, provided from stock.
  • Easy reach: Sometimes the debris you’re blowing off with a handheld device is just out of reach…or maybe even farther:
    • Rigid extensions are available for our Variblast and Soft Grip Safety Air Guns in lengths from 6″ to 72″.  Super Blast Safety Air Guns are about 10-15″ long, but can be fitted with 3ft or 6ft extensions as well.
    • You can also get around corners, behind, over, or under obstacles by using a Soft Grip Safety Air Gun fitted with a Stay Set Hose.  You just bend it to the angle you want to blow at, and it “stays set” (as advertised) until you bend it again.
Model 1310-12 Heavy Duty Safety Air Gun, With 12″ Extension & 1100 Super Air Nozzle
  • Easy safety: No matter what kind of day you’re having, if you make it through without needing first aid, you’ve had a better day than some.  While they DON’T take the place of proper eye protection, Chip Shields fitted to an EXAIR Safety Air Gun can prevent sharp pieces from flying back and cutting you.  They also keep chips, dirt, coolant, oil, grease, etc., from getting all over your clothes.
Chip Shields Offer Safety & Comfort For Operators

If you want to talk about how EXAIR Safety Air Guns – or any of our engineered Intelligent Compressed Air Products – can make life easier for you, give me a call.  Trust me…it’s easy.

Russ Bowman
Application Engineer
EXAIR Corporation
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The Soft Grip Safety Air Gun for OSHA Compliance

Compressed air has many different uses ranging from simple cooling and blow off applications all the way to operating machine cylinders and robotics. One of the most common uses is for simple cleaning; whether its cleaning off a work station or blowing off personnel it can’t be denied that air powered cleaning is very useful. But if the Occupational Safety & Health Administration (OSHA) regulations are not followed it can also be unsafe.

Open-ended blow offs can inadvertently be dead ended (the airflow outlet can be completely blocked), when this happens if the pressure is to high an air embolism can form in an individuals bloodstream. Blowing something off with air can result in airborne particulate traveling at a high velocity that can become embedded into your skin or in your eye.

With all that being said this is where the safety air guns step into the spotlight! It’s pretty easy to make a safety air gun that complies with the dead-end pressure regulation; just give the air another path to take when the outlet is blocked. The most common solution found is a cross drilled nozzle which allows the air to escape when the end is blocked. Generally the problem with this design is that the nozzles can be very loud and inefficient. In most cases these nozzles have paid attention to the dead end problem but ignored the noise level exposure safety issue and completely ignored compressed air efficiency. 

With EXAIR’s Super Air Nozzles you get both the added benefit of being safe, quiet and efficient. Our engineered designed air nozzles are commonly installed onto a Soft Grip Safety Air Gun to make an ergonomic, safe, and quiet Safety Air Gun. These can also have a  Chip Shield added to help prevent particles from flying back and hitting the user. The Soft Grip Safety Air Gun can also be coupled with a pipe extension from 6” to 72”; you can also add one of our Stay Set Hoses 6” in length to 36”.

Soft Grip Safety Air Gun with Stay Set Hose. eg. 1210-6SSH

Here are a few examples of the Soft Grip Safety Air Guns in our product line:

Cody Biehle
Application Engineer
EXAIR Corporation
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