Compressed Air Moisture Removal Air Dryers

Air dryers help you get rid of condensation. These devices, which are connected behind the compressor, are an integral part of the compressed air treatment programme. We offer you three types of dryers - condensing, absorption and membrane dryers. By installing them , you can multiply the lifetime of connected pneumatic tools, blow or spray guns or automated line components such as cylinders and valves. Less servicing costs for these connected devices will please any air compressor operator. Differences between dryers and article why and mainly how to dry compressed air can be found here.

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How to choose the right type of air dryer?

Condensation dryers

The most sought-after type for drying compressed air for workshops and most industrial areas. Well-known manufacturers include Hanksion and the international Mark Compressors or Omega Air. In condensation dryers, the compressed air is first cooled to a temperature below the pressure dew point. As a result, the water vapour in the air condenses and turns into water. This is removed from the air using a condensate drain.

Advantages of condensation dryers

• they are inexpensive
• operate without loss of compressed air

Disadvantages of condensing dryers

• the dew point can be lowered to a temperature of only +5 °C or +3 °C
• power consumption for running the fan, control system and refrigerant compressor.
• effective ventilation must be ensured

Adsorption dryers

Slightly more expensive but highly efficient dryers for industrial plants with high air quality requirements. Their hallmark is two towers filled with drying material. The drying material must be highly porous, most often activated alumina alumogel (Al2O3) or silica gel (SiO2) is used. Omega Air, for example, manufactures adsorption compressed air dryers.

Advantages of adsorption dryers

• the dew point can be lowered to a lower temperature, depending on the drying material used, typically -25°C, -40°C or up to -75°C

Disadvantages of adsorption dryers

• adsorption dryers consume up to 20% of the supplied compressed air
• it is necessary to change the drying material cartridges regularly

Membrane dryers

This type of dryer resembles a test tube with a stopper on each side. Membrane dryers are folded a bundle of hollow fibres (membranes) through which moist compressed air flows from top to bottom. As it passes through, the moisture is forced out through the membranes and the air exits the fibre dry. They are designed for compressed air supply with low dew point at low flow rates. Omega Air is also among the leading manufacturers.

Advantages membrane dryers

• minimum installation dimensions

Disadvantages of membrane dryers

• membrane dryers consume 10-30% of the supplied compressed air

*Does it seem financially costly to purchase a quality dryer for your compressor? The truth is that all these devices always pay for themselves over time. This saves every part of the compressor system, which can operate reliably and without service intervention for a long time and, above all, extremely efficiently.

Don't forget about other air treatment accessories:

• compressed air filters
• compressed air regulators
• cyclone separators
• water-oil separators