5 Ways to Improve the Air Quality in a Pneumatic System

My name is Andy Lewis and I’m with Innovative-IDM. Today I’m going to talk to you a little bit about your air quality and your pneumatics system. A lot of my customers tend to have issues with debris in their airline, scaling from black iron pipe, water in their airline, leaks, etc. Pneumatic systems with compressors, primarily reciprocating compressors, cause the most issues. Now, how do you protect your machinery downstream? Your cylinder, your valves- how do you protect them from having to constantly replace them or rebuild them? Well there a couple of ways you can do it, and today I’m going to give you five ways you can do it.

First off, main line filtration. Basically this is going right after the compressor and the whole purpose of it is to get oil and water out of your system. What you are going to see is generally a larger filter than this, with a port size of one and three inches. It’s going to be a very large body and it’s going to be able to handle the oil that’s going to come through. Now what’s great about SMC versus its competitors is going to be the level of microns that they filter down to is much higher than other companies. For example, the average is about twenty micron filtration. SMC’s basic mainline filtration is anywhere between three and five microns. So what you’re receiving from that is better filtration.

Now, say for example you don’t have that filtration on your line, oil and water travels down the line. And say for example, it isn’t water yet- it’s still in vapor form because your reciprocating compressor is putting air out at 160˚ F. So you have vapor traveling down your line. As that vapor gets down your line, it’s going to turn into condensate, because it has hit the dew point and now it’s in droplet form. Your valves, your rubber seal valves are noticing this water- your cylinders are noticing this water. It takes more air, higher psi, to actually shift that spool or to move that cylinder. Why? Because rubber seals expand when they get wet. Alright, so how do you fix that? Well, one way you can do it is by using a filter regulator combo. With that being said you have your regulator at the top, you can actually pop it up, change, put in place, lock.

You also have your filter- standard is five micron, goes all the way down to .01 micron, instrument grade quality. There’s nothing in your system then, it’s completely clean dry air. After that there’s also an AMG. Now this isn’t an AMG but it’s the same size. It’s a water droplet separator and takes out 99% of all water that’s going to be in your airline, and that’s a point of use item.

Finally, if you find yourself with the reciprocating compressor instead of the screw type compressor, the air is abnormal, or much hotter than the screw type. And with that being said you’re going to want an after cooler and you’re going to want a refrigerated air dryer coming out of that airline before it hits your other machines.

If you would like more information on this, please go to our website at innovatioveidm.com and remember, Innovative-IDM is Home of the Legendary Customer Experience.

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