In a compressed air system a drying proces can remove all moisture that emerges during the compression of air. This helps reducing the risk of corrosion damages in the compressed air system.
A drying proces removes moisture from the compressed air by two drying methods. The process can either proceed with the application of a refrigerated dryer or adsorption dryer. The choice of drying method depends on air quality demands.
Usually, a refrigerated dryer can live up to most quality demands for compressed air, but for certain industrial purposes, e.g. food and pharmaceutical industry, an adsorption dryer would be a better choice. An adsorption dryer can live up to higher demands for the quality of compressed air, as deliver a dew point all the way down to -70 °C. So if your processes demands very dry compressed air, an adsorption dryer is better suited to ensure optimal drying of compressed air and thus ensuring a longer lifetime for connected machines and tools.
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An adsorption dryer is sensitive to oil and water in the compressed air. The installation of an adsorption dryer must therefore always be after the oil filter and water separation filter in the compressed air system, as otherwise the dryer may be damaged.
There are many different factors you need to consider when choosing an adsorption dryer. One way to limit the range of adsorption dryers is by knowing the requirement for the pressure dew point.
There are three different dew points for an adsorption dryer: -20, -40 and -70 ° C. A rule of thumb may be that the greater the requirement for the pressure dew point, the higher the pressure dew point must be.
Do you need help choosing the right adsorption dryer? Then in touch with a counselor today!