When you rely heavily on compressed air for air tools and other applications in your workshop, not just any air compressor will be able to supply what you need. There is good reason why rotary screw air compressors are the most common model invested in for industrial purposes: these workhorses are far more efficient and far more powerful. If you are in the process of buying a rotary screw air compressor for your workshop, chances are you'll be a little lost in all of the choices and options. Here is a quick look at a few of the top features you should be looking for while you shop.
Compressed Air Dryer - The majority of rotary screw air compressors do have an integrated compressed air dryer, but some of the most basic versions do not. While some see this extra feature as just a commodity, the extra feature can definitely be helpful to eliminate oil and moisture in the compressed air and this is incredibly important. Excessive oil and moisture in the compressed air can cause problems with your air tools over time and even compromise air quality if you are using the compressor in a tightly enclosed space.
Variable Speed Drive - This is a common feature on the most upstanding rotary screw air compressor models and is highly beneficial. With variable speed drive, the amount of pressure can be adjusted to match the amount of available air flow remaining, which makes it easier to use the rotary screw air compressor in an efficient way without it requiring massive amounts of energy. Without a variable speed drive, your rotary air compressor basically has the same energy usage and pressure output consistently, which is not always necessary in applications where only low pressure air is required.
Aftercooling System - Even the most standard rotary screw air compressors have some form of cooling system that is designed to help the unit function at a lower temperature. However, the aftercooling system focuses specifically on keeping the compressed air itself cool. Because of the friction-based pressure building, the air coming from the compressor can be pretty warm. This heated air can be bad for your air tools and cause a lot of issues in other applications. The aftercooler drops the temperature of the air after it is created but before it is actually distributed, meaning you have a safe and consistent air temperature from the hose.Share
27 December 2016
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