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Air Amplifiers - Vent, Exhaust, Cool, Dry, Clean

Supplier: Compressed Air Australia

Air Amplifiers are a simple, low cost way to move air, smoke, fumes and light materials.


They utilise the coanda effect, a basic principle of fluidics, to create air motion in their surroundings.  Using a small amount of compressed air as their power source, Air Amplifiers pull in large volumes of surrounding air to produce high volume, high velocity outlet flows.  Quiet, efficient Air Amplifiers will create output flows up to 25 times their consumption rate.

Air Amplifiers have no moving parts, assuring maintenance-free operation.  No electricity is required.  Flow, vacuum and velocity are easy to control.  Outlet flows are easily increased by opening the air gap and supply air pressure can be regulated to decrease outlet flow.  Both the vacuum and discharge ends of the Air Amplifier can be ducted, making them ideal for drawing fresh air from another location, or moving smoke and fumes away.

Super Air Amplifiers have the highest amplification ratios and are the most efficient of all Air Amplifiers.  EXAIR's patented design uses a special shim to maintain critical position of the component parts.  As a result, a precise amount of compressed air is released at exact intervals toward the centre of the Super Air Amplifier.  These jets of air create a constant, high velocity outlet flow across the entire cross sectional area.  Additional free air is pulled through the unit, resulting in higher amplification ratios.  The balanced outlet airflow minimises wind shear to produce sound levels that are typically three times quieter than other Air Amplifiers.

Adjustable Air Amplifiers have good amplification ratios and are very easy to use.  The air gap is infinitely adjustable which regulates the consumption and outlet flow from a "breeze" to a "blast".  They are available in aluminium or in stainless steel for food service, higher temperatures (204 deg.C), and corrosive applications.  High Temperature Stainless Steel Air Amplifiers for temperatures up to 374 deg.C are available.

Applications of Air Amplifiers:
Vent welding smoke
Cool hot parts
Dry wet parts
Clean machined parts
Distribute heat in molds/ovens
Ventilate confined areas
Wipe hose, wire, fiber optics
Exhaust tank fumes

Advantages of Air Amplifiers:
Compared to Fans:
Compact, lightweight, portable
No electricity
No moving parts - no maintenance
Ends are easily ducted
Instant on/off
Variable force and flow
Compared to Venturis and Ejectors:
More air with lower compressed air consumption
Higher flow amplification
No internal obstructions
Meets OSHA pressure and noise requirements

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