How An Air Amplifier Works

How An Air Amplifier Works

A small amount of compressed air enters the annular chamber at point (A) that is then throttled through a small ring nozzle at high velocity and into the inside of the amplifier over a coanda profile. The compressed air stream clings to the coanda profile as it enters the inside walls of the amplifier and thereby creating a vacuum that induces the outside air at point (B) converting the pressure into amplified airflow. The amplified of airflow leaves at the exit at point (C). Airflow is further amplified downstream at point (D) by entraining additional air from the surroundings at the exit.


Air Amplifier are a simple, inexpensive devices with virtually no maintenance that can convey fumes, of air for cooling, blowoff and drying applications. They use the "coanda effect" which entrains a large amount of surrounding air using only a small amount od compressed air. The effect is an amplification of up to 17 times the airflow or more (depending on the size) with reduced noise levels. Using only compressed air, the output flow and vacumm is easily controlled by adjusting or opening the air gap and/or inlet pressure. Either end of the air amplifier may be ducted to address all kinds of applications from bringing in fresh air into an area to removing nasty fumes. Be wary of unrealistic or unsubstantiated amplification ratios claimed by some companies.

Air Amplifier Product Line

  Standard Air Amplifier

AM10 3/4" Standard Air Amplifier

AM10 3/4" Standard Air Amplifier are easy to mount and maintain reducing both compressed air consumption and noise levels. It takes energy from a small volume of compressed air to produce a high velocity, high volume, low pressure output air flow.

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AM20 1-1/4" Standard Air Amplifier

AM20 1-1/4" Standard Air Amplifier are easy to mount and maintain reducing both compressed air consumption and noise levels. It takes energy from a small volume of compressed air to produce a high velocity, high volume, low pressure output air flow.

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AM40 2" Standard Air Amplifier

AM40 2" Standard Air Amplifier are easy to mount and maintain reducing both compressed air consumption and noise levels. It takes energy from a small volume of compressed air to produce a high velocity, high volume, low pressure output air flow.

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AM75 4" Standard Air Amplifier

AM75 4" Standard Air Amplifier are easy to mount and maintain reducing both compressed air consumption and noise levels. It takes energy from a small volume of compressed air to produce a high velocity, high volume, low pressure output air flow.

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AM125 8" Standard Air Amplifier

AM125 8" Standard Air Amplifier are easy to mount and maintain reducing both compressed air consumption and noise levels. It takes energy from a small volume of compressed air to produce a high velocity, high volume, low pressure output air flow.

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Adjustable Air Amplifier

40001 1-14" Adjustable Air Amplifier

40001 1-1/4" Adjustable Air Amplifier from Nex Flow™ are used for a variety of applications - either coated aluminum or stainless steel for high temperature and corrosive environments.

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40002 2" Adjustable Air Amplifier

40002 2" Adjustable Air Amplifier from Nex Flow™ are used for a variety of applications - either coated aluminum or stainless steel for high temperature and corrosive environments.

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40003 4" Adjustable Air Amplifier

40003 4" Adjustable Air Amplifier from Nex Flow™ are used for a variety of applications - either coated aluminum or stainless steel for high temperature and corrosive environments.

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Adjustable Air Amplifier With Gauged Markings

Adjustable Air Amplifier from Nex Flow™ with gauged markings are used for a variety of applications - available in anodized aluminum and marked to accurately set the gap from 0 to 1.5 mm.

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About Tech Sales Co.

Tech Sales Co., was established in 1983 with headquarters near Toronto, Canada, Tech Sales Co., maintains a network of branch offices and associated representatives and distributors across Canada. Our technical support in-house is strong with backup from principles around the world. Expertise is available in the following specific areas: compressed air blow off, static control, surface treatment of plastics, plastic flaw repair, non-hazardous chemicals, ultrasonic cleanings systems and other special technologies

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Our Products

Tech Sales Co., is a manufacturers representative company devoted to unique technologies for industry. We represent Nex Flow™ Air Products Corp., HAUG North America, Dynamic Descaler and have other products for static control and elimination, corona treatment, plastic repair and environmentally friendly chemicals.

Sample Content

Tech Sales Co., provides an indepth information on Air Amplifier, showing Nex-Flow™ Standard Air Amplifier, Adjustable Air Amplifier and Adjustable Gauged Air Amplifier. Air Knives feature Standard Air-Blade™ Air Knives, Stainless Steel Air-Blade™ Air Knife, X-Stream™ Air-Blade™ Air Knife and our X-Stream™ Hard Anodized Air-Blade™ Air Knife. HAUG North America products feature Staic Elimination Products. Dynamic Descaler a revolutionary biodegradable descaler and much more information on is available on this web site.

Get in Touch

  • Telephone:
    (416) 410-1313
  • Email:
    lesr@tech-sales.com
  • Address:
    10520 Yonge Street, Unit 35B-220
    Richmond Hill, ON
            L4C 3C7