Super air knife

December 2005 Pneumatics & Hydraulics

Exair's Super Air Knife is a new generation of air knife that dramatically reduces compressed air usage and noise compared to that of other blow offs. The Super Air Knife offers a more efficient way to clean dry or cool parts, webs or conveyors. It delivers a uniform sheet of laminar airflow across the entire length with hard-hitting force.

In most applications previously noisy blow offs can become a comparative whisper (69 dBA) when replaced with a compact Super Air Knife - even at high pressures of 55 MPa. Air amplification ratios (entrained air to compressed air) of 40:1 are produced. The Super Air Knife meets OSHA maximum dead-ended pressure and noise requirements. Applications would include:

* Part drying after wash.

* Sheet cleaning in strip mills.

* Conveyor cleaning.

* Part or component cooling/drying.

* Web drying or cleaning.

* Environment separations.

* Pre-paint blow off.

* Bag opening/fill operations.

* Scrap removal on converting operations.

* Drying pre-printing.

Advantages include quiet operation (<69 dBA for most operations), minimal air consumption (40:1 air amplification), uniform air flow across entire length, variable force and flow, no moving parts - maintenance free, easy mounting - inlets on each end and bottom, compact, rugged, easy to install, stainless screws on all models and the units are available in special lengths.

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