Controlling Compressed Air can be Easy, and Save Thousands of Dollars

The history of automated controls can be traced back to inventors in ancient Greece & Egypt, who sought ways to keep more accurate track of time than afforded by sundials and hourglasses.  Their efforts, dating as far back as 300BC, produced devices actuated by water flow, which is actually quite reliable and repeatable: a set amount of water will flow via gravity through a fixed conduit in the exact same amount of time, every time.  These were in fairly common use until the invention of the mechanical clock in the 14th century.

The Industrial Revolution grew the need for automated processes exponentially…the need to control objects or tooling in motion, fluid flow, temperature, and pressure, just to name a few.  As time passed, the sky was literally the limit: modern aircraft & spacecraft rely on a staggering amount of automated processes from production to operation.

All throughout history, though, the benefits of automation remain the same: making processes more efficient.  That’s where the EXAIR EFC Electronic Flow Control comes in, for automating processes involving compressed air use, by turning air flow off when it’s not needed.  In fact, not only do they provide simple on/off control to blow only when a part is “seen” by the photoelectric sensor, there are eight distinct modes to incorporate delay on or off, flicker on or off, signal on/off delay, interval, or “One-Shot,” where the sensor detects the part, delays opening the valve per the timer setting, and blows for one second.

EFC Electronic Flow Control Systems are already assembled & wired for quick & easy installation.

The EXAIR EFC Electronic Flow Control is a true “plug and play” solution for automating a compressed air application.  Mount the sensor, plumb the valve, plug it in, and you’re ready to go.  There’s no complicated PLC wiring or programming, although the aforementioned mode selections do offer a great deal of flexibility other than “on when the sensor sees it; off when it doesn’t” operation, if desired.  Here are some prime examples of that flexibility, and the monetary benefits due to the compressed air consumption savings:

(Left) On/Off Delay setting used in tank refurbishment application to operate a “halo” of Super Air Knives for blow off as tanks exit oven where old paint is burnt off – $3,393 annual air savings. (Center) Interval setting actuates a Super Ion Air Knife for flat panel display dust blow off/static elimination – $2,045 annual air savings. (Right) Interval setting actuates a “halo” of Super Ion Air Knives to clean & remove static charge from plastic automotive bumper covers prior to painting – $5012 annual savings.

If you’d like to find out more about the EFC Electronic Flow Control can save you time, air, and money, give me a call.

Russ Bowman
Application Engineer
EXAIR Corporation
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