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Air Amplifiers

Nex Flow™ Air amplifiers are inexpensive devices with virtually no maintenance that can convey fumes, smoke, lightweight materials and move a high volume 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 of compressed air. The effect is an amplification of up to 17 times the airflow or more (depending on the size) with reduced noise levels.

Air Movers or Air Amplifiers are annular units that entrain air from the back as well as downstream and are excellent flow amplifiers.  The force produced for blow off goes down as the diameter goes up but for cooling, they are excellent and far more effective than air nozzles.  Because air is entrained from the back, they are also used for venting applications.  As mentioned previously, there has to be a “balance” between airflow amplified and velocity.  An Air Amplifier will have an air amplification ratio (air out right at the exit/air input from the compressed air supply) from 6 to 15 to perform properly (6 being a small amplifier and 15 for larger sizes).  Any higher ratio, because you are then entraining more “still” atmospheric air, would slow down the velocity so much that your blow off force would be very ineffective, and without adequate velocity, you will not get efficient cooling. So if you see claims of high amplification ratios and high velocity simultaneously, it is wise to be dubious.  This is why Nex Flow offers units for comparative testing so the customer can confirm “real” results.

APPLICATIONS

  • Part cleaning
  • Chip removal
  • Part drying
  • Part ejection
  • Air assist
Air Amplifier Shims

Energy Efficient Products

Shim for air amplifier

£9.89£29.67

A shim for adjusting the gap/flow in an air amplifier

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Energy Efficient Products

Standard Air Amplifier

£81.10£1,038.53

Standard, non-adjustable, air amplifier for increasing the air flow from compressed air supply.

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Energy Efficient Products

Adjustable Air Amplifier

£79.12£1,320.42

An adjustable air amplifier for increasing overall air movement from a compressed air supply.

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