Versatile, Efficient And Quiet: The EXAIR Super Air Knife

It would be a memorable day in Application Engineering if one of us didn’t handle at least one call regarding a Super Air Knife. They’re just used for so many different purposes: from debris blow off, to drying, to cooling – in fact, a good number of “Super Air Knife calls” start as “Vortex Tube calls,” because both have their place, depending on factors such as how hot the part to be cooled is, what temperature you want to get it to, how fast does it need cooled, etc. More on that here, and here…today, I’m going to write about environmental containment and separation.

In a nutshell, that means keeping smoke, fumes, powder, etc., inside an area, or at the very least, away from another area. A couple of examples of this are documented in the Super Air Knives section of our latest catalog. If you don’t have one, click here.

The first features:

lens clearing

(2) Model 110024 24″ Aluminum Super Air Knives, which keep the smoke from machining oil that burns off during an engine test directed into the vent hood.

The second utilizes:

A Model 110006 6" Aluminum Super Air Knife to keep the slag, spatter, and smoke from a laser cutter away from the lens of the machine's visual inspection system.

A Model 110006 6″ Aluminum Super Air Knife to keep the slag, spatter, and smoke from a laser cutter away from the lens of the machine’s visual inspection system.

A third, which I don’t have pictures of yet because it’s brand-new, is a little larger scale: a recent caller was looking for a way to keep ALL the powder inside his powder coating spray booth. There’s an open vent with runs all the way across the top, and, when the booth is in operation, a very small plume exits along its 90″ width. They purchased a Model 110296 96″ Aluminum Super Air Knife Kit to blow a continuous curtain of air across this 4″ wide gap, angled down slightly into the booth. The Kit’s Pressure Regulator allows them to “dial down” the air flow to a level just high enough to keep the powder from exiting the gap, but also low enough to not disturb the powder coating process inside the booth.

A self contained blower unit was actually their first idea…these are very popular for large doorways…you’ve probably even seen them on large doors on shipping docks, or forklift paths inside plants where it’s necessary to keep pollutants from one room from entering another. For this situation, though, the compact size, low sound level, and precise adjustability of the Super Air Knife’s air flow made it the logical choice.

If you’d like to know more about EXAIR Super Air Knives, or any of our Intelligent Compressed Air Products, give me a call.

Russ Bowman
Application Engineer
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