OMI Versatile Compressed Air Dryers

Optimize your compressed air system with our tailored compressed air dryer solutions



Reliable compressed air is key for smooth operations and quality products. OMI delivers a wide range of compressed air dryers to meet the varied demands of any industry. Our advanced technology and commitment to quality and innovation keep your compressed air systems operating at their best which results in tangible operating cost savings.

Discover Our Compressed Air Dryers

What is a Compressed Air Dryer?

Compressed air dryers are designed to eliminate moisture from air that’s been compressed. As air compresses, it holds onto water vapor, which can turn into harmful liquid as the air cools down. This liquid has the potential to rust and erode machinery, leading to damage and costly repairs.

Air dryers work to remove the water before it can cause issues, ensuring the compressed air is dry. This is crucial for the longevity and efficiency of equipment that operates with compressed air. Without these dryers, moisture could damage system components, corrode pipes, and degrade tools by stripping away lubrication.

Refrigeration air dryers easy dryers product image 1 on white  background| compressed air treatment | OMI

Given these hazards, numerous fields depend on air dryers to protect their operations. The choice of an air dryer must align with the specific needs of the air compressor and its application. Key factors to weigh are the highest air pressure, the amount of air handled, and the total costs, which include the initial investment, energy consumption, and regular upkeep.

Compressed Air Dryer Types

Refrigerated Air Dryers

Refrigerated air dryers function by cooling the compressed air. The process is similar to a refrigerator or air conditioning unit. The air is chilled until water vapor condenses into water, which is then separated and drained away.
This type of dryer is ideal for general industrial applications where the air doesn't need to be extremely dry. It's more energy-efficient and less costly to maintain than adsorption dryers. However, refrigerated dryers can't achieve the very low dew points that some critical processes might require. They are best for applications where the ambient temperature is controlled and the main concern is removing the bulk of the moisture.


  • Energy efficiency
  • Lower operating costs
  • Simple maintenance

Adsorption Dryers (Desiccant Dryers)

Adsorption dryers use a desiccant material that naturally attracts and holds water vapor. Air passes through a chamber filled with this desiccant, and moisture is adsorbed onto the surface of the material. These dryers can achieve very low dew points, which is necessary for applications like pharmaceuticals or food processing where even trace moisture can be harmful.
There are two main types of adsorption dryers: heatless and heated. Heatless dryers use a portion of the dried compressed air to regenerate the desiccant, while heated dryers use an external heat source for regeneration.


  •  Very low dew points
  • Suitable for sensitive applications where moisture is critical
  •  Consistent performance regardless of external temperature conditions

When deciding between the two air dryer types, consider the following factors:

  • Required Dew Point: Adsorption dryers are necessary for extremely low dew points.
  • Operating Costs: Refrigerated dryers are typically less expensive to operate.
  • Maintenance: Refrigerated dryers are simpler to maintain, whereas adsorption dryers require regular desiccant replacement.
  • Temperature Sensitivity: Adsorption dryers perform consistently across a wider range of temperatures.

OMI’s Compressed Air Dryer Portfolio

OMI presents a diverse lineup of top-tier compressed air dryers, tailored for distinct uses and levels of water vapor. With energy-efficient tech, these dryers boost your pneumatic tools' efficiency and cut down on the running costs of your air systems. Our range includes two key dryer types:

Refrigerated air dryers

OMI’s Refrigerated Air Dryers offer a dependable solution for clean, dry air across industries. They include models for a wide flow range from 36 m³/h to 24,000 m³/h. These dryers come with advanced electronic control systems for reliable performance, featuring FAN CONTROL technology that adjusts cooling to match load conditions, improving system durability. 
Customization is a key benefit, with options for tailor-made systems, various paint finishes, and specific voltage requirements. OMI's dryers ensure optimal air quality with a range of dew points suited for different applications. Easy-access design and widely available spare parts make maintenance a hassle-free experience.


Adsorption air dryers

OMI's Adsorption Dryers offer compact and simple solutions for lower flow rates from 5 m³/h to 1,490 m³/h. These dryers maintain high air purity, with some models achieving the highest standards for humidity and liquid water. They are designed for durability and easy operation, with options for different voltages and connections to meet various needs.

They stand out for their cost efficiency and the option to include an Energy Management System, optimizing compressed air expenses. These dryers are built with reliable valves for a long service life and have indicators for performance checks.


OMI Compressed Air Dryers – Key Benefits

OMI’s compressed air drying solutions provide you with a number of key advantages that enable you to optimize your mission-critical compressed air applications. These include:

  • Extended Life: OMI products deliver clean and dry air, reducing wear and corrosion, which leads to a longer lifespan for your equipment.
  • Enhanced Product Quality: With OMI's air treatment, industries such as food and beverage or pharmaceuticals can trust in the purity of air, ensuring top-quality end products.
  • Cost Efficiency: OMI's solutions help cut maintenance expenses, reduce downtime, and boost air system efficiency, leading to significant cost savings.
  • Increased Safety: By providing clean air, OMI's products lessen the risk of explosions in flammable environments, boosting workplace safety.
  • Environmental Protection: OMI's commitment to eco-friendly practices includes products that remove harmful contaminants, ensuring compliance with environmental regulations and enhancing your brand's eco-conscious image.

Compressed Air Dryer Applications

Compressed air dryers are crucial in many industries, providing dry air for many industrial tasks. Dry compressed air in manufacturing helps avoid product flaws and keeps quality consistent. This is vital in fields that need exact precision.

In the automotive industry, compressed air runs tools, helps with painting, and powers assembly lines. Dry air is key here to stop tool failures and make sure paint finishes are perfect.

For food and beverage production, compressed air is central to packaging and bottling. Air dryers play an important role in keeping these processes hygienic and germ-free.

Pharmaceutical manufacturing requires very clean air to protect drug purity and keep production spaces clean. Refrigerated air dryers are often chosen for their good moisture removal.

Some air dryers can also be used in harsher conditions, like hazardous areas or far-off places. They're helpful in landfills and for making wood and asphalt. Dryers also help prevent mold in healthcare, ensure food processing is safe, help in textile production, and keep ice rinks smooth