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Getting Rid of Moisture in Your Air Compressor

By on July 25, 2015 in Featured, Home Fix-it Guides

Check compressor temperatureMoisture in the air compressor is a common problem faced by all of us who use an air compressor for our various needs and can be quite frustrating when the end result of our project is not as we anticipated. As air includes moisture there will always be moisture present in your compressed air even if you have the best portable compressor available in the market. The amount of moisture in the air is determined by various factors such as temperature and humidity, and if allowed to build up this moisture can be pulled back into the compressed air stream. This can be especially troublesome if you are using the air compressor to spray paint as the moisture can cause negative textural and visual effects on the finished result. Moisture can also play havoc with various other applications including sand blasting, robotics, valves, air cylinders, pneumatic tools and CNC machining centers.

Moisture is condensed in the air inside the compressor as the machine compresses the air to 12 times that of normal atmospheric pressure. As this compressed air moves through the system, more and more condensation builds up, this problem is even worse during summer due to the higher temperature and humidity.

Although you can’t stop moisture from getting into your compressor, in stages using different components you can get it out.

The first component is the tank. Regular and dependable draining is essential in keeping your equipment moisture free, some people find timer-based drains and pneumatic drains useful, but the simplest method is the manual drain. Ensure you do this regularly as it is vital in keeping your equipment moisture free.

A mechanical separator known as a filtration water separator can be of vital assistance in removing moisture from the system. Working on centrifugal force it removes 40-60% of the water in your air supply making it possible to start most of your applications.

If you need more moisture removed than the filtration water system offers then your next option is a refrigerated air dryer. These basically chill the air to remove even more of the moisture content. Typically reaching a 34-40 degree dew point, it is suitable for nearly all applications.

If you require even more moisture removal for your equipment for your finer applications such as printing and painting, then the desiccant dryer is hard to go past. Offering a dew point of between -40 and -100 degrees the desiccant dryer can be of extreme help in your given application.

Please don’t hesitate to get back to us if you have any further questions on moisture removal for your specific application.

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