Air Jets - Vivek Engineers

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Air Jets Overview

 
jetwork_2008.1 Vivek Engineers - Air JetsHow Air Jets Work?

Air Jets utilize the coanda effect (wall attachment of a high velocity fluid) to produce air motion in their surroundings. As illustrated on the right, a small amount of compressed air (black arrows) is throttled through an internal ring nozzle above sonic velocity. A vacuum is produced, pulling large volumes of surrounding, or “free” air, through the jet (blue arrows). Both the outlet and inlet can be ducted for remote positioning. If the end is blocked, flow simply reverses at well below OSHA dead ended pressure requirements.



Air Jets "Quick Pick" Comparison

(Sorted by compressed air consumption)

Model Material Description Inlet Size Air Consumption at 80 PSIG (5.5 Bar) Force Sound Level dBA
SCFM SLPM Ounces Grams
6019 Brass Adjustable Air Jet 1/8 NPTM 18 509 16* 453 83
6013 Brass High Velocity Air Jet 1/8 NPTM 22 622 20+ 567 82

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Air Nozzles and Jets  Overview

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Engineered Air Nozzles and Jets reduce noise levels and air costs.Upgrade your blowoff, cooling, and drying operation to the award winning Super Air Nozzles!

ANJ Vivek Engineers - Air JetsWhat Are Air Nozzles and Jets?
A simple solution to reduce excessive air consumption and noise levels on compressed air blowoff operations. EXAIR Air Nozzles and Jets produce outlet flows up to 25 times compressed air consumption using a small amount of compressed air as the power source. Many power companies now provide attractiverebates to plants who switch to engineered Super Air Nozzles!

Why Air Nozzles and Jets?
Air savings, compared to open copper tubes or pipe nipples commonly used for blowoff can be as high as 80%. Less compressed air means less noise. The typical noise level reduction is 10
dBA. All EXAIR Air Nozzles and Jets meet OSHA maximum dead-ended pressure and sound level requirements.

ANJ1 Vivek Engineers - Air JetsAn open 1/4" (6mm) copper tube, by contrast, ejects pure compressed air at up to 40 standard cubic feet per minute (1133 SLPM), the entire output of a 10 horsepower compressor. Annual energy cost can exceed $1,000 per year (U.S. Dollars).
Noise levels in excess of 100 dBA are commonly produced. When supply pressure
exceeds 30 PSIG (2 BAR), an open jet violates OSHA static pressure requirements.

 

How Air Nozzles Work

Air Nozzle DiagramAir Nozzles use the coanda effect or small directed nozzles to amplify compressed airflow 25 times or more. As illustrated on the right, compressed air (black arrows) is ejected through a series of nozzles on the outer perimeter. As the air travels along the outer wall of the nozzle, surrounding air (blue arrows) is entrained into the stream. The airstream that results is a high volume, high velocity blast of air at minimal consumption. The air is always ejected so it can vent safely, well below OSHA dead ended pressure requirements, should the nozzle end be blocked.

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Applications

Advantages

  • Part cleaning
  • Chip removal
  • Part drying
  • Liquid blowoff
  • Part cooling
  • Material conveying
  • Part ejection
  • Fiber conveying
  • Air assist
  • Reduced compressed air cost
  • 10 dBA average noise reduction
  • Compact
  • Meet OSHA noise level requirements
  • Meet OSHA dead-end pressure requirements
  • Improve production

Reduce Noise Levels
High noise levels are a common problem for many plants. Compressed air noise often exceeds OSHA noise level exposure requirements, resulting in hearing loss to those working in close proximity. Noisy blowoffs at 80 PSIG (5.5 BAR) that produce noise levels of 100 dBA can be reduced to only 74 dBA when using a Super Air Nozzle. At that pressure, it is still possible to obtain hard-hitting force without the high noise.

Air Nozzles and Jets Comparision

Air Nozzles and Jets Comparision 
Selecting The Right Air Nozzle
EXAIR manufactures a wide selection of Air Nozzles and Jets, which are divided into two groups.The first group includes Air Nozzles and Jets that deliver force up to 22 ounces (624 grams) and are suitable for most applications. h e second group includes Air Nozzles that produce high force up to 23 lbs (10.43 kg) where additional reach and force are required.

. Type 303 Stainless Steel- high temperatures and corrosive environments. Max temp 800°F (426°C)
. Type 316 Stainless Steel- high temperatures, corrosive environments, and mechanical wear. Max temp 1000°F (538°C)
. Brass- general purpose applications. Max temp 400°F (204°C)
. Type 303 Stainless Steel- high temperatures and corrosive environments. Max temp 800°F (426°C)
. Type 316 Stainless Steel- high temperatures, corrosive environments, and mechanical wear. Max temp 1000°F (538°C)
. Brass- general purpose applications. Max temp 400°F (204°C)

airnozzlescomparision Vivek Engineers - Air Jets

Air Nozzles and Jets - Vivek Engineers

pdf Vivek Engineers - Air Jets Download Product PDF

pdf Vivek Engineers - Air Jets  Download Installation & Maintenance Sheet  

Air Nozzles and Jets

cat_request_An Vivek Engineers - Air Jets

Air Nozzles are available in many configurations and materials (aluminum, zinc, brass, stainless steel and PEEK plastic). These engineered Air Nozzles reduce noise levels and air costs. EXAIR Air Nozzles produce outlet flows up to 25 times compressed air consumption using a small amount of compressed air as the power source. Many power companies now provide attractive rebates to plants who switch to engineered Super Air Nozzles.

EXAIR manufactures a wide selection of Air Nozzles and Jets, which are divided into two groups. The first group includes Air Nozzles and Jets that deliver force up to 22 ounces (624 grams) and are suitable for most applications. The second group includes Air Nozzles that produce high force up to 23 lbs (10,433 grams) where additional reach and force are required.

productoftheyear Vivek Engineers - Air Jets

Type 303 Stainless Steel - high temperatures and corrosive environments. Max temp 800°F (426°C)

Type 316 Stainless Steel - high temperatures, corrosive environments and mechanical wear. Max temp 1000°F (538°C)

Brass - general purpose applications. Max temp 400°F (204°C)

Zinc aluminum alloy - general purpose applications. Max temp 250°F (121°C)

PEEK - replaces metals in harsh environments. Offers chemical resistance and is non-marring. Max temp 320°F (160°C)

Air nozzle styles include our Super Air Nozzle, Mini Super Air Nozzles, Safety Air Nozzles, Adjustable Air Nozzles, the highly efficient 2" Flat Super Air Nozzle and 1" Flat Super Air Nozzle that use EXAIR's patented design to create a flat airstream.

PEEK Super Air Nozzles replace metal nozzles in harsh environments. Multiple models are available.

Super Air Nozzle Clusters and Large Super Air Nozzles are available when high blowing force is needed.

 

Click below for details.
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Back Blow Air Nozzles

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Back Blow Air Nozzles

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EXAIR's new Model 1004SS, 1006SS and 1008SS Back Blow Air Nozzles are engineered to clean inside of pipe, tube, hose or channel. An array of holes provide a forceful 360 degree airflow to clear out coolant, chips or debris created from machining processes. This nozzle prevents blowing chips further into a pipe or out the end of the pipe, which is a safety hazard. Since airflow is directed back toward the operator, personal protective equipment is recommended

1006ssviews Vivek Engineers - Air Jets

Model 1004SS is M4x0.5. Model 1006SS is 1/4 NPT female. Model 1008SS is 1 NPT female. All are made of Type 316 Stainless Steel. These nozzles are also available on Safety Air Guns.

Back Blow Nozzle Dimensions and Airflow Pattern
1004dim Vivek Engineers - Air JetsM4 Back Blow Air Nozzle
Model 1004SS
EXAIR’s M4 Back Blow Air Nozzle delivers the smallest, most effective airflow for cleaning out small diameter tubes, pipes, channels or holes. Its forceful airfl ow can be used on diameters as small as 1/4" (6.3mm) and up to 1" (25.4mm). Extensions for reaching farther into a pipe, tube, hose, channel or hole are available.

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1006Dim Vivek Engineers - Air Jets1/4 NPT BackBlow Air Nozzle
Model 1006SS

The 1/4 NPT Back Blow Air Nozzle delivers high performance suitable for a wide range of diameters.
Recommended diameter range is 7/8"-4" (22-102mm).A large variety of extensions for reaching farther into a pipe, tube, hose, channel or hole are available.

1006SS Vivek Engineers - Air Jets1006af Vivek Engineers - Air Jets

1008Dim Vivek Engineers - Air Jets1 NPT BackBlow Air Nozzle
Model 1008SS
EXAIR’s largest Back Blow Air Nozzle produces the greatest force for stubborn, sticky, materials which may be inside of pipes, tubes, channels or holes. It is capable of reaching into diameters from 2"-16" (51-406mm) so it can handle small and large diameters. Extensions are available.
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 alextpipe Vivek Engineers - Air JetsAdd an Extension Pipe

Extensions provide the necessary reach to clean out your pipe, tube, hose or channel. Available up to 72” long.

Chip Shields should be used to protect operators from debris. A Model 901650 Chip Shield is for M4 x 0.5 extensions and a Model 901222 is available for 1/4 NPT extensions.
chipsh Vivek Engineers - Air Jets