AC Cycling Refrigerated Air Dryer By Pneumatech
13-201CFM Air Cooled Cycling and VSD Refrigerated Dryers
13 Configurations Available
Some Models In Stock
$1,730.00 – $7,495.00
View DetailsThe most common type of compressed air dryer is removing water from the air stream by cooling the air to approximately 3 °C (38 °F) and effectively condensing the moisture. They are typically primary dryers and produce air quality appropriate for approximately 95% of all compressed air applications.
13-201CFM Air Cooled Cycling and VSD Refrigerated Dryers
657-2141CFM Air or Water Cooled Large Cycling Refrigerated Dryers
212-636CFM Variable Speed Drive Cycling Refrigerated Dryers.
13-4238CFM Non-Cycling Refrigerated Air Dryer
25-125CFM High Temperature Non-Cycling Refrigerated Dryer
12-272CFM Non-Cycling Refrigerant Air Dryers
12-272CFM Compact Non-Cycling Refrigerated Dryer
12-4,238 CFM Non-Cycling Refrigerated Dryers
13-201CFM Saver Cycle Cycling Refrigerated Dryers
212-636CFM Variable Speed Drive Refrigerated Air Dryers
25-125CFM High Temperature Refrigerant Dryer
Nano, RNC 0010-F, 10 CFM, 115V, High Temperature Direct Expansion Dryer
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Across the country, the most common dryer present in compressed air systems is the refrigerated air dryer. These machines are renowned workhorses in the manufacturing and service industries. They are incredibly consistent, achieving dewpoints of ~38°F, which is more than enough for pneumatic tools and other applications requiring moisture-free air.
This equipment is consistent and seen everywhere, but how exactly does this equipment function, and why do you need this equipment? For starters, when you compare this equipment with its main counterpart, the desiccant, refrigerated air dryers have:
Surprisingly enough, refrigerated air dryers use a refrigeration system to cool the air passing through. As this air cools, condensate is formed, and the air gets down to ~38°F, which explains the dewpoint. This process cools the air down to such a low temperature that moisture cannot be formed unless the air is below that temperature. So, as long as your facility stays above 40°F, your compressed air will be dry and can be used without worry. After this condensate has formed, it is successfully drained out through a line in the bottom, ensuring the air remains dry.
Maximum Pressure
-Your dryer’s maximum pressure must equal or exceed your compressor’s maximum pressure.
Inlet Temperature
– Each dryer has its specified maximum inlet temperature; surpassing this can damage your equipment. If your compressor has an aftercooler, it will make sure the compressed air is at a reasonable temperature.
Maximum Flow
This refers to the maximum amount of air that can pass through your dryer. If your dryer is undersized, this can cause significant pressure drops because the air cannot pass through.
Maximum Room Temperature
-When using your equipment, consider your environment. If it’s hot outside, you risk overheating your dryer. Just ensure your ambient air temperature is above 20ºF below your max inlet temperature.
Refrigerant air dryers are the ideal solution for situations that:
When it comes to selecting your refrigerant air dryer, there are a couple of available options. These options differ, not in how well they dry the air but in how the equipment maintains its internal temperature. There are three main types of refrigerant air dryers:
The smallest amount of technology, so the cheapest version of a refrigerant air dryer you will find is the non-cycling refrigerant air dryer. The non-cycling dryers’ refrigeration stays on continuously while the compressor is running. So, if the compressor is on, the dryer will be running. If the dryer runs too long without a break, it can lead to freezing in the pipes and rapid wear on your machine.
However, if you have a smaller operation that does not always need air, these machines will work for you. If you just need clean, dry air when you need it and don’t have a large demand, overworking your machine won’t be the issue.
The next step up is the cycling refrigerant air dryer. Cycling dryers cost more than their previous counterparts. That is because they are designed to cycle the refrigeration on and off as needed to conserve energy and prevent excessive refrigeration when not being used. Cycling can also prevent frost buildup if the unit needs to run for a long period of time.
These machines are great for middle-ground applications that may be running for a long time but do not have extremely high demand or operate for longer durations of time with typical flow. The technology in these dryers will be able to keep up with your demand as long as they are sized properly.
Variable Speed is the best of the best when it comes to compressed air technology. By being able to change operation speed to match demand, very little energy is wasted, and you get the most out of your energy. A VSD refrigerant air dryer has a scroll compressor with a fixed element and an orbiting second element.
This compact screw quietly spins so that it can perfectly match the demand. This refrigeration style is used to combat that most compressed air systems do not operate under static flow and temperature conditions. The variable speed of refrigeration matches this variability in climate. The ability to match dryer energy consumption to air demand helps significantly save operating costs.
Want to learn more about compressed air dryers? Check out our guide on compressed air dryers here.
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