One of the main byproducts of using a compressed air system is significant amounts of water vapor. While this is a natural part of the process, having some way to dispose of or remove the water vapor from the operating area is essential. It may not look it, but compressor systems are sensitive machines that need optimal air temperature and vapor levels to function at their best.
Most industries manage this dilemma by meticulously checking the air compressor’s dew point. Dew point is the temperature at which your compressed air becomes saturated. That air can hold no additional water vapor, so the vapor begins to condense, lining your machine and the room around it with moisture. The temperature at which this occurs varies between air compression systems, but it generally falls between 50 and 94 degrees Fahrenheit (10 to 35 degrees Celsius).
In This Article
- Why Is Dew Point Important for Air Compression?
- How Is Dew Point Reduced by Air Dryers?
- Choose The Titus Company for Compressed Air and Air Dryer Systems
Compressed air system users may invest in instruments like sensors to detect, measure and monitor dew point temperatures and the relative humidity of the room — these are often complemented by regulating devices like air dryers to keep the optimal temperature. Sometimes, these tools are included with the machine. Employers may also teach personnel preventive maintenance techniques to maintain ambient temperature.
However you manage it, it’s crucial that you continuously monitor the dew point temperature in your compressed air room. It will keep your expensive equipment in working order for much longer and prevent you from shelling out money for costly repairs or, in extreme cases, replacement.
Unsure of how to get started? That’s what The Titus Company is here for. If you think excessive moisture has made your system run at less than its best, talk to us about our free compressed air system review service. And if you have to replace it with us, your new system will fall under our 24/7 service guarantee!
Why Is Dew Point Important for Air Compression?
Do you need to concern yourself with dew point when managing air compressors for your business? It will depend upon your particular industry, but for many, careful monitoring of the dew point, or controlling the dew point with compressed air dryers, can be extremely important. So, why is dew point important for air compression?
In some areas, such as applications in the pharmaceutical industry, it is vital that your method of moving product be uncontaminated by moisture. In other areas, you may be working with very low temperatures where air could conceivably freeze in pipes, causing a shutdown. In many cases, extra moisture can lead to corrosion and rust, as the water can remove any lubricants and oils present that prevent material breakdown from happening. This then causes inaccurate machine readings and, in extreme cases, control failure.
If, for example, your equipment that uses compressed air may be subject to failure, unwanted condensation on product or process lines or bacterial formation, being able to constantly and accurately monitor dew points through a sensor can be a critical part of your operation.
It should be noted that the dew point we’re referring to is pressure dew point, not atmospheric dew point. Pressure dew point is specific to saturation levels caused by an external system, usually an air compression system. On the other hand, atmospheric dew point refers to the saturation level coming from the natural atmosphere. The pressure value is almost always higher than the atmospheric dew points.
How Is Dew Point Reduced by Air Dryers?
An ideal solution to the problem of compressed air applications that are sensitive to dew point is to use air compression systems with dryers that can process gas and remove moisture from your compressed air. An air dryer also keeps you from having to perform more time and labor-intensive forms of maintenance, like using vacuum pumps. A typical air compressor will produce air with a dew point as high as the compressor room’s air temperature.
With a refrigerated dryer, you could see dew points as low as 39 degrees Fahrenheit (4 degrees Celsius). With a desiccant drying system at your disposal, you could see dew points as low as -40 degrees Fahrenheit (-40 degrees Celsius). These systems dry the air, and they also monitor the dew point. They include built-in transmitters that verify your equipment is maintaining the air at the required level with respect to the dew point.
While your air dryer should generally do a good job of monitoring your air dew point, to ensure efficiency, it is important to occasionally check and calibrate your compressed air dryer’s dew point measuring system. You can easily measure pressure dew point with the right portable instrument and compare your finding to the reading on the air dryer to ensure accuracy. Calibrate your system at least once a year, or anytime that you are suspicious about the readings you are getting for your compressed air.
Using an air dryer can significantly improve the quality of your compressed air over time. With less moisture in the air, measuring the temperature of your compressed air should take less time and keep your pressure dew point below levels at which excessive vapor is released into the air. Once you get used to the system, you should be reading temperatures within the typical range consistently.
Choose The Titus Company for Compressed Air and Air Dryer Systems
We have a wide range of compressed air and gas systems for companies across a variety of industries that offer superior capabilities and performance. Both lubricated and oil-free air compressors are available, as well as air and gas dryers and dehydration systems, including refrigerated dryers, desiccant dryers and more.
To learn more about our equipment offerings and to find out the best compressed air system for your particular business, please contact us today.